专题01 Units 1～2（语法综合练）英语新教材沪教版（五四学制）八年级上册

**基本信息** 聚焦时间状语从句与复合不定代词，通过表格化知识梳理与多题型训练，构建“规则-辨析-应用”的语法突破体系，提升语言运用与逻辑分析能力。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |语法知识梳理|2类表格总结|时间状从引导词时态搭配（when过去式/while进行时）、复合不定代词词缀用法及后置规则|按引导词功能（时间点/段）和代词词缀（some-/any-）分类，形成“概念-用法-特例”逻辑链| |单项选择|40题|语境中引导词（when/while辨析）与代词（something/anything选择）的精准判断|从基础辨析到复杂情境（如“突然发生”“否定句应用”），梯度覆盖核心考点| |完成句子|10题|句型转换（同义句）与翻译中语法规则的灵活运用|实现从规则记忆到实际表达的转化，强化知识迁移能力| |语法选择与阅读|2篇语法选择+2篇阅读|语篇中语法知识的综合应用（如时间关系判断、代词指代）|从单句语法到语篇理解，培养语境分析与逻辑推理思维|

专题01 Units1 ~2（语法综合练） （建议用时：40分钟） 分类 从句引导词 用法 时间 状从 when 当...时 ①既指时间点，也可指时间段；后可接终止性动词， 也可接延续性动词 ②从句的动作和主句的动作可以是同时，也可以是先 后发生 ③when 后一般接过去式：When the teacher came in, we were talking. ④表“突然”：I was having my dinner when there was a sudden knock at the door. while 当...时 ①后接延续性动词 ②从句的动作和主句的动作是同时发生 ③while 后一般接进行时：While we were talking, the teacher came in. ④表“然而 ” ：Mother was cooking ,while father was watching TV . since 自从... since 引导的从句常用一般过去时，主句用现在完成时 I have worked in this hospital since I came to Beijing. until/till 直到 主句的谓语动词是延续性动词 I’ll wait for you till you come back. not...until 直到...才 主句的谓语动词是非延续性动词 （有时用 never,nothing 等替代 not 表否定） I didn’t go to bed until I finished my work. as soon as 一...就 I’ll call you as soon as I get to school. before/after 在...之前/后 ① You should wash your hands before eating. ② I always feel relaxed after reading a book. 复合不定代词 词缀 -one（人） -body（人） -thing（事物） 用法 some- someone somebody something ①用于肯定句 ②用于表示请求的疑问句 any- anyone anybody anything ①用于否定句&疑问句 ②表示“任何……”也可用于肯定句 no- no one nobody nothing ①no one=nobody ②nothing 回答 what 的提问 every- everyone everybody everything ①everyone=everybody 1. 复合不定代词作主语，谓语动词用单数（如：Something is wrong with her watch.） 2. 复合不定代词被形容词或 else 修饰时，形容词和 else 要后置（如：something interesting） 3. 复合不定代词被to do 修饰时，to do 要后置（如：I don't have anything to say.） 一、单项选择 1．As soon as the package ________ at the house, the man will send it to the customer. A．will arrive B．arriving C．arrived D．arrives 【答案】D 【详解】句意：包裹一到房子，这个人就会把它寄给顾客。 will arrive将到达，一般将来时；arriving到达，现在分词；arrived到达，过去式；arrives到达，第三人称单数。As soon as表示一……就……引导时间状语从句，遵循主将从现原则，主句用一般将来时，从句用一般现在时，从句主语是the package，为单数，所以动词用第三人称单数形式。故选D。 2．The baby didn’t go to bed ________ his mother came back home. A．until B．when C．as D．after 【答案】A 【详解】宝宝直到他妈妈回家才上床睡觉。 until直到；when当……的时候；as随着；after在……之后。根据“The baby didn’t go to bed… his mother came back home.”可知, 宝宝直到他妈妈回家才上床睡觉，符合搭配not…until…，意为“直到……才……”。 3．The students were chatting happily ________ the teacher came in. A．since B．as soon as C．while D．when 【答案】D 【详解】句意：当老师进来时，学生们正聊得开心。 考查连词辨析。since自从；as soon as一……就；while当……时（从句动作需是延续性）；when当……时（从句动词可以是短暂性或延续性）。根据“the teacher came in”可知，came是短暂性动词，应用when引导时间状语从句。故选D。 4．She didn’t stop trying different ways ________ she found the solution, and that’s how she found artemisinin (青蒿素) with her team. A．as B．when C．until D．after 【答案】C 【详解】句意：她不断尝试不同的方法，直到找到解决方案，这就是她和团队发现青蒿素的过程。 考查连词辨析。as当……时；when当……时；until直到……为止；after在……之后。根据“didn’t stop trying”可知，此处表示“一直尝试到找到解决方案才停止”，“not...until...”是固定句型，意为“直到……才……”，符合语境，故选C。 5．You’d better turn off the tap ________ you finish using water. A．until B．before C．unless D．as soon as 【答案】D 【详解】句意：你最好一用完水就关掉水龙头。 考查时间状语从句的连接词。until直到；before在……之前；unless除非；as soon as一……就……。根据“turn off the tap…you finish using water.”可知关水龙头的动作应紧接在用水完成后发生，强调及时性，故选D。 6．Tom kept working on the math problem ________ he found the answer. A．when B．after C．unless D．until 【答案】D 【详解】句意：汤姆一直努力做这道数学题，直到他找到答案。 考查连词辨析。when当……时候；after在……之后；unless除非；until直到……为止。根据“Tom kept working on the math problem”以及“he found the answer.”可知，此处表达“一直做题，直到找到答案”，应用until引导时间状语从句。故选D。 7．________ Benny was reading a novel, someone knocked at the door. A．If B．While C．Since D．Though 【答案】B 【详解】句意：当Benny在看一本小说时，有人敲门。 考查从属连词辨析。If如果；While在……期间、与……同时；Since自从；Though虽然。根据“Benny was reading a novel”和“someone knocked at the door”可知，应选While，引导时间状语从句。故选B。             8．Joyce almost fell asleep ________ she was doing her homework. A．if B．though C．as soon as D．while 【答案】D 【详解】句意：乔伊斯在做作业时几乎睡着了。 考查连词辨析。if如果；though尽管；as soon as一……就；while当……时。根据“she was doing her homework.”可知，乔伊斯在做作业时几乎睡着了，故选D。 9．Most of the villagers were sleeping ________ the earthquake happened. A．until B．when C．while D．after 【答案】B 【详解】句意：地震发生时，大多数村民正在睡觉。 考查从属连词辨析。until直到；when当……时候；while当……时候；after在……之后。根据“Most of the villagers were sleeping…the earthquake happened.”可知，主句是持续性动作“were sleeping”，从句是短暂性动作“happened”，用“when”引导时间状语从句，表示当短暂事件发生时，持续性动作正在进行。故选B。 10．The little boy will stay here ________ his parents come back. A．when B．while C．as soon as D．until 【答案】D 【详解】句意：这个小男孩会待在这里，直到他的父母回来。 考查连词辨析。when当……时候；while当……时候、然而；as soon as一……就……；until直到……为止。根据“The little boy will stay here…his parents come back”可知，句子表达的是小男孩会一直待在这里，直到父母回来，until符合语境。故选D。 11．We need to take action to save every drop of water ________ it is too late. A．before B．as C．after D．until 【答案】A 【详解】句意：我们需要在为时已晚之前采取行动节省每一滴水。 考查连词词义辨析。before在……之前，强调时间先后；as当……时，因为，引导时间状语从句或原因状语从句；after在……之后，强调时间先后；until直到，引导时间状语从句。按常理，我们应该在为时已晚之前采取行动节省每一滴水。故选A。 12．Mr Green was talking on the phone ________ I arrived at his office. A．while B．when C．as soon as D．before 【答案】B 【详解】句意：当我到达他的办公室时，格林先生正在打电话。 考查连词辨析。while当，后加延续性动词；when当；as soon as一……就；before在……之前。根据“Mr Green was talking on the phone...I arrived at his office”可知是当到达办公室时，且arrive是非延续性动词，用when引导时间状语从句。故选B。 13．It ________ five years since I came to this city after finishing middle school. A．was B．had been C．have been D．is 【答案】D 【详解】句意：自从我中学毕业来到这座城市以来已经五年了。 考查since引导的时间状语从句。根据“since”引导的时间状语从句可知，考查固定句型“It is + 时间段 + since…”表示“自从……以来已经……时间了”，强调从过去持续到现在的状态，主句用一般现在时，填is。故选D。 14．It is quite natural to feel nervous ______ you speak in public. A．though B．when C．after D．than 【答案】B 【详解】句意：当你在公众面前讲话时感到紧张是很自然的。 考查时间状语从句。though尽管；when当……时；after在……之后；than比。句子描述的是在公共场合说话的时候会引发紧张感，用when引导时间状语从句。故选B。 15．Children are taught to give their teeth a good brush ________ they go to bed. A．if B．after C．because D．before 【答案】D 【详解】句意：孩子们被教导要在睡觉前好好刷牙。 考查连词辨析。if如果；after在……之后；because因为；before在……之前。根据“Children are taught to give their teeth a good brush...they go to bed.”可知，睡前刷牙是健康习惯。故选D。 16．Tom is sleeping ________ Jim is helping his mum make dinner. A．until B．while C．before D．after 【答案】B 【详解】句意：汤姆在睡觉，吉姆在帮妈妈做晚饭。 考查连词词义辨析。until直到；while当……时；before在……之前；after在……之后。根据空前的“Tom is sleeping”及空后的“Jim is helping his mum make dinner”的句意可知，此处主从句动作同时发生，应用while引导时间状语从句。故选B。 17．We won’t leave the camping site ________ we are sure these children are safe. A．until B．after C．though D．if 【答案】A 【详解】句意：在确定孩子们安全之前,我们不会离开露营地。 考查连词。until直到；after在……之后；though虽然；if如果。根据“We won’t leave the camping site...we are sure these children are safe”可知，是指直到确定孩子们安全,我们才离开露营地，not...until意为“直到……才”，故选A。 18．Jenny is a very thoughtful girl. She had got everything ready ________ the class meeting began. A．before B．after C．when D．until 【答案】A 【详解】句意：珍妮是个很周到的女孩。班会开始前，她已经把一切准备好了。 考查从属连词辨析。before在……之前；after在……之后；when当；until直到。由“Jenny is a very thoughtful girl. She had got everything ready … the class meeting began”可知，因为她是一个考虑周到的人会在开会之前准备好一切。故选A。 19．Don’t be afraid if you notice ________ happening outside the window. A．something strange B．strange something C．nothing strange D．strange nothing 【答案】A 【详解】句意：如果你注意到窗外发生了什么奇怪的事情，不要害怕。 考查复合不定代词和定语后置。形容词修饰不定代词时，需后置，排除B项和D项；根据“if you notice... happening outside the window.”可知，此处指窗外发生了某些奇怪的事，排除C项。故选A。 20．There is almost ________ in the fridge. Let’s go to the supermarket now. A．everything B．something C．nothing D．anything 【答案】C 【详解】句意：冰箱里几乎没有什么东西了。我们现在去超市吧。 everything一切事物；something某事/某物；nothing没有什么；anything任何事物。根据后句“Let’s go to the supermarket now.”可知，需要去购物，说明冰箱里几乎空了。 21．— Next month we’re going________ as soon as the holiday begins. — Sounds good. A．somewhere interesting B．interesting somewhere C．anywhere interesting D．interesting anywhere 【答案】A 【详解】句意：——假期一开始，下个月我们打算去某个有趣的地方。——听起来不错。 somewhere interesting某个有趣的地方；interesting somewhere语序有误；anywhere interesting 任何有趣的地方；interesting anywhere 语序有误。本句为肯定句，使用somewhere；形容词修饰不定地点副词时，形容词后置，因此选用somewhere interesting。 22．—Is there ________ interesting in today’s magazine?   —Yes, there’s a story about space travel. A．something B．anything C．nothing D．everything 【答案】B 【详解】句意：——今天的杂志里有什么有趣的内容吗？——是的，有一个关于太空旅行的故事。 something某事/某物（用于肯定句）；anything任何事物（用于否定句和疑问句）；nothing没有什么；everything一切事物。形容词修饰不定代词需后置。本句为一般疑问句，通常用anything。 23．—If ________ calls, tell them I’m not at home. —Okay, I will do it this way. A．anything B．nothing C．none D．anyone 【答案】D 【详解】句意：——如果有人打电话来，告诉他们我不在家。——好的，我会这样做的。 anything任何事；nothing没有什么；none没有一个；anyone任何人。根据“tell them I’m not at home”可知，是指人打电话，应用指人的代词，且用于条件状语从句中表示“任何人”，anyone符合语境。 24．—I’m so hungry after working for a whole day. Can I have a hamburger? —Oh dear. There’s ________ in the fridge, but I will order one for you. A．none B．nothing C．nobody D．anything 【答案】A 【详解】句意：——工作了一整天后我太饿了。我能吃个汉堡吗？——哦天哪。冰箱里没有，但我会为你点一个。 none没有一个；nothing没有什么东西；nobody没有人；anything任何事。根据“There’s... in the fridge”及后文“but I will order one”可知冰箱里没有汉堡，强调汉堡的数量是零，none通常用于回答数量或指代特定事物的数量为零。故选A。 25．— Tina, did you buy ________ when you went to Yunnan last month? — Of course. I bought some flower cakes for my parents. A．anything special B．special anything C．something special D．special something 【答案】A 【详解】句意：——蒂娜，你上个月去云南的时候买了什么特别的东西吗？——当然。我给父母买了一些鲜花饼。 考查不定代词和形容词修饰不定代词的位置。anything任何事物，一般用于否定句和疑问句；something某物，一般用于肯定句。“did you buy ...”是一般疑问句，在一般疑问句中常用anything；special“特别的”，是形容词，形容词修饰不定代词时，放在不定代词的后面。故用anything special。故选A。 26．— Who is in the classroom? — ________. A．Not B．Nothing C．Not one D．No one 【答案】D 【详解】句意：——教室里是谁？——没人。 考查代词辨析。Not不；Nothing没有什么；Not one不符合英语常用表达；No one没有人。根据“Who is in the classroom?”并结合选项可知，此处指一个人也没有，No one符合。故选D。 27．—Ella, ________ is waiting for you at the school gate. —That must be my brother. A．anybody B．somebody C．everybody D．nobody 【答案】B 【详解】句意：——Ella，有人在学校门口等你。——那一定是我哥哥。 考查不定代词辨析。anybody任何人，常用于否定句或疑问句；somebody某人，表示不确定的某个人；everybody每个人；nobody没有人。根据“That must be my brother.”可知，此处表示有某个人在等，不确定是谁，且语境为肯定句，用somebody。故选B。 28．—Is there ________ left in the fridge? —No, let’s go to the supermarket to buy some. A．everything B．something C．anything D．nothing 【答案】C 【详解】句意：——冰箱里还剩下什么东西吗？——没有了，我们去超市买一些吧。 考查不定代词辨析。everything所有东西；something一些东西，常用于肯定句；anything任何东西，常用于否定句及疑问句；nothing没有东西。根据“Is there... left in the fridge?”可知，本句是一般疑问句，询问是否有东西剩下，需用不定代词anything。故选C。 29．Lisa wanted to ask ________ about the summer camp, but there wasn’t ________ in the teachers’ room. A．someone; someone B．anyone; someone C．someone; anyone 【答案】C 【详解】句意：丽莎想问别人夏令营的事，但老师办公室里没有人。 考查不定代词。someone某人；anyone任何人。第一空为肯定句，用someone表示泛指某人，第二空为否定句，用anyone表示“没有人”。故选C。 30．Mr Green looked through his bag carefully but saw ________ useful. A．something B．anything C．everything D．nothing 【答案】D 【详解】句意：格林先生认真查看了他的包，但是没有看见有用的东西。 考查不定代词。something某事或某事，用于肯定句； anything任何东西，用于否定句或疑问句；everything一切事物；nothing没有东西。根据“Mr Green looked through his bag carefully but saw...useful”可知，表示没有看见任何有用的东西，应选择否定含义的不定代词。故选D。 31．Einstein signed his last letter________ he passed away. A．after B．while C．before D．until 【答案】C 【详解】句意：爱因斯坦在去世前签署了他的最后一封信。 考查连词辨析。after在……之后；while当……时候；before在……之前；until直到……才。根据历史事实和事件逻辑，签署信的动作发生在去世之前，因此使用表示“在……之前”的连词。故选C。 32．— I plan to go on a self-driving trip to Xinjiang next month. Any suggestions? — Great! Remember to check your oil ________you leave. A．since B．before C．after D．while 【答案】B 【详解】句意：——我计划下个月去新疆自驾游。有什么建议吗？——太棒了！记得在你离开之前检查机油。 since自从；before在……之前；after在……之后；while当……时候。根据语境及生活常识可知，为了确保行车安全，应该在出发前检查车辆状况。用before。 33．It has been six years ________ we last saw each other, and we both have changed a lot. A．or B．if C．until D．since 【答案】D 【详解】句意：自从我们上次见面已经六年了，我们都改变了很多。 or或者；if如果；until直到……为止；since自从。固定句型“It has been + 一段时间 + since + 一般过去时从句”，意为“自从……以来已经多长时间了”。根据句意及句型结构可知，此处应用since引导时间状语从句。 34．_______ she grew older, she became more and more active. A．Before B．As C．Because D．Until 【答案】B 【详解】句意：随着她慢慢长大，她变得越来越活跃。 考查连词辨析。Before在……之前；As随着；Because因为；Until直到。分析两个句子的逻辑关系可知，“she grew older”表示时间，所以空处引导的是一个时间状语从句，且结合句意，空处应是“随着”的含义，对应的连词是“As”，故选B。 35．My father was reading a newspaper ________ my mother was cooking dinner at 7 last night. A．while B．until C．after D．before 【答案】A 【详解】句意：昨晚七点我妈妈在做饭时，我爸爸在看报纸。 考查从属连词辨析。while当……时；until直到；after在……之后；before在……之前。此处表示两个动作同时发生，应该用while引导时间状语从句。故选A。 36．I was doing my homework ________ my friend called me. A．when B．once C．while D．since 【答案】A 【详解】句意：当我的朋友给我打电话时，我正在做作业。 考查连词辨析。when当……时；once一旦；while当……时；since自从。句中“called”为非延续性动词，且主句“was doing”是过去进行时，从句是一般过去时，符合“when”的用法，表示主句动作与从句动作同时发生，故选A。 37．I’ll call you ________ I arrive at the train station tomorrow morning. A．so B．as well as C．even if D．as soon as 【答案】D 【详解】句意：明天早上我一到火车站就会给你打电话。 so所以，表因果，as well as也，表并列，even if即使，表让步，as soon as一……就……，表时间关系。主句I’ll call you是一般将来时，从句I arrive是一般现在时表将来，符合“主将从现”原则。根据语境，此处需要填入引导时间状语从句的连词，表示动作紧接着发生。 38．Sure. ________we are on holiday, you, Sam, Helen and I can go there together by train. A．As soon as B．As good as C．As well as D．As far as 【答案】A 【详解】句意：当然。一旦我们放假了，你、萨姆、海伦和我可以一起坐火车去那里。 As soon as一……就……；As good as和……一样好；As well as和；也；As far as就……而言；远到。根据句意，空格处需填入引导时间状语从句的连接词，表示“一……就……”的时间逻辑关系。As soon as为固定连词短语，引导时间状语从句，符合语境。其他选项均不能引导此类从句或不符合句意逻辑。 39．You also need to talk with your parents about your worries. After all, your grades are just a part of you, not ________. A．anything B．everything C．something D．nothing 【答案】B 【详解】句意：你也需要和父母谈谈你的担忧。毕竟，你的成绩只是你的一部分，而不是一切。 anything任何事；everything一切事；something某事；nothing没事。根据“your grades are just a part of you”可知成绩只是部分，推测出并不是全部，not everything表示“不是一切”，符合语境。 40．Marks don’t mean ________. It’s your character and ability that really matter. A．something B．anything C．everything D．nothing 【答案】C 【详解】句意：分数并不意味着一切。真正重要的是你的品格和能力。 something某事；anything任何事；everything一切；nothing无事。根据后句“It’s your character and ability that really matter.”可知，真正重要的是品格和能力，说明分数不是全部，not...everything意为“并非一切”，符合语境。 二、完成句子 41．暑假时你去什么有趣的地方了吗? Did you go ________________ on your summer holidays? 【答案】anywhere interesting 【详解】原句中“什么有趣的地方”是关键词，对应的英文结构为“anywhere interesting”，表示“任何有趣的地方”。在疑问句中，用不定副词“anywhere”表示“任何地方”；形容词“interesting”修饰不定副词时需后置。 42．Tom doesn’t know anything about the spaceship. （改为同义句） Tom ________ ________ about the spaceship. 【答案】 knows nothing 【详解】 句意：汤姆对宇宙飞船一无所知”。在英语中，“not ... anything”等同于“nothing”。即把否定句改为含有否定意义代词的肯定句。主语Tom是第三人称单数，改为肯定句后，谓语动词know需要变为第三人称单数形式knows。 43．她假期里什么特别的事情都没做。 She didn’t do ________ ________ during her vacation. 【答案】 anything special 【详解】原句关键词为“什么特别的事情”，用anything special表示，时态为一般过去时。在否定句中表示“任何事情/东西”时，应使用anything；当形容词修饰不定代词（如anything, something, nothing, someone等）时，形容词必须放在不定代词的后面，即后置定语。 44．anything, you, Did, interesting, do, your holiday, on (?) ___________________________________________ 【答案】Did you do anything interesting on your holiday? 【详解】根据所给单词和标点符号可知，本句是一个一般疑问句。“Did”是助动词，位于句首，引导一般疑问句；you“你”，是主语；do“做”，是谓语动词；anything interesting“有趣的事情”，是宾语，anything是复合不定代词，形容词修饰复合不定代词要后置；on your holiday“在你的假期”，为时间状语。故填Did you do anything interesting on your holiday? 45．There was something important in the letter. (改为一般疑问句) ________ there ________ important in the letter? 【答案】 Was anything 【详解】句意：信里有一些重要的内容。原句为一般过去时，含有“There was...”，改为一般疑问句时需将“was”提至句首，首字母大写。原句中的“something”在疑问句中应变为“anything”。 46．The team started the meeting after everyone arrived.（保持句意不变) The team ________ start the meeting ________ everyone arrived. 【答案】 didn’t until 【详解】句意：所有人都到达后，团队才开始会议。常用“not...until...”结构来替换“after...”表达相同的逻辑关系。原句谓语动词“started”为一般过去时，一般过去时的否定助动词为“did not”可以缩写“didn’t”。 47．He went to sleep after his mother came back last night. (保持句意不变) ____________________________________________________ 【答案】He didn’t go to sleep until his mother came back last night. 【详解】句意：昨晚他妈妈回来之后，他才去睡觉。改写后可用not...until...结构，意为“直到……才……”，可用He didn’t go to sleep until his mother came back last night.，故填He didn’t go to sleep until his mother came back last night. 48．He listened to music. He was doing his homework. (用while合并句子) ___________________________. 【答案】He listened to music while he was doing his homework 【详解】句意：他听音乐。他正在做作业。应用while引导时间状语从句，强调 “两个动作同时进行”，结合原句，此处主句“He listened to music”用一般过去时，从句“he was doing his homework”用过去进行时。故填He listened to music while he was doing his homework。 49．He comes back. I will call you at once. (合并成句子) I ________ call you ________. 【答案】 will as soon as he comes back/when he comes back/after he comes back 【详解】句意：他回来，我将会马上给你打电话。根据题干可知，原句可以合并成含有时间状语从句的复合句，此处可以用as soon as“一……就……”/when“当……时候”/after“在……之后”引导时间状语从句，come back“回来”；主句使用一般将来时，结构为：will+动词原形；从句使用一般现在时，从句主语为he，动词come使用第三人称单数形式。故填will；as soon as/when/after he comes back。 50．It won’t be long. Your parents find out what you have done. (用合适的时间状语连词连接两句话) ____________________________________________________________________________________________. 【答案】It won’t be long before your parents find out what you have done. 【详解】句意：不会太久的。你的父母发现你所做的一切。根据句意可知可以转化为“It will be+时间段+before从句”，意思是“要过多久之后才会发生某事”，强调动作发生前的等待时长。故填It won’t be long before your parents find out what you have done. 三、语法选择 （25-26八年级上·上海嘉定·期中）The Importance of Protecting Water Resources Water is essential to all living things, and we should raise 1 of water protection. In our daily life, clean drinking water doesn’t come easily— it goes 2 a complex water cycle first. First, rainwater and groundwater are collected in reservoirs (蓄水池). These water sources 3 up in special areas to avoid pollution. Then, the water is sent to water 4 plants, where it is 5 managed by workers. They use professional technology to filter (过滤) impurities 6 kill harmful bacteria to make sure the water is safe for us to use. 7 treatment, the water is delivered to our homes, and we can enjoy clean drinking water every day. It’s important to keep the water 8 use clean. We should not 9 waste water or garbage into rivers. Only in this way can we have a continuous supply of clean water. When we turn on the tap and see clear water flowing out, it’s really a 10 feeling. Let’s all take action to protect water resources together! 1．A．aware B．unaware C．awareness 2．A．into B．through C．across 3．A．are locked B．are locking C．lock 4．A．treat B．treating C．treatment 5．A．safe B．safely C．safety 6．A．but B．or C．and 7．A．After B．Before C．When 8．A．us B．we C．our 9．A．pour B．put C．throw 10．A．satisfied B．satisfy C．satisfying 【答案】 1．C 2．B 3．A 4．C 5．B 6．C 7．A 8．B 9．A 10．C 【导语】本文是一篇说明文，阐述了保护水资源的重要性，介绍了饮用水的处理流程，并呼吁大家采取行动保护水资源。 1．句意：水对所有生物都是必不可少的，我们应该提高水资源保护意识。 aware意识到的（形容词）；unaware未意识到的（形容词）；awareness意识（名词）。“raise awareness of...”是固定短语，意为“提高……的意识”，此处需用名词“awareness”。故选C。 2．句意：在日常生活中，干净的饮用水来之不易——它首先要经过复杂的水循环。 into进入；through通过（强调从内部穿过）；across穿过（强调从表面穿过）。“go through”是固定短语，意为 “经历；经过”，符合“水循环过程 的语境。故选B。 3．句意：这些水源被封锁在特殊区域以避免污染。 are locked被锁（一般现在时的被动语态）；are locking正在锁（现在进行时）；lock锁（动词原形）。主语“These water sources”与“lock”是被动关系，需用被动语态“are locked”。故选A。 4．句意：然后，水被送往水处理厂。 treat处理（动词）；treating处理（动名词 / 现在分词）；treatment处理（名词）。“water treatment plants”是固定短语，意为“水处理厂”，此处需用名词“treatment”。故选C。 5．句意：在那里，工人对它进行安全管理。 safe安全的（形容词）；safely安全地（副词）；safety安全（名词）。“safely”是副词，修饰动词“managed”，表示“安全地管理”。故选B。 6．句意：他们使用专业技术过滤杂质并杀死有害细菌，以确保水对我们来说是安全的。 but但是（表转折）；or或者（表选择）；and和（表并列）。“filter impurities”和“kill harmful bacteria”是并列动作，需用“and”连接。故选C。 7．句意：经过处理后，水被输送到我们家中，我们每天都可以享用干净的饮用水。 After在……之后；Before在……之前；When当……时。根据逻辑，水是“经过处理后”才输送到家中，“After”符合语境。故选A。 8．句意：保持我们使用干净的水是很重要的。 us我们（宾格）；we我们（主格）；our我们的（形容词性物主代词）。“we”作“use”的主语，表示“我们使用”。故选B。 9．句意：我们不应该把废水或垃圾倒入河流。 pour倒，倾倒；put放；throw扔。“pour...into...”是固定短语，意为“把……倒入……”。故选A。 10．句意：当我们打开水龙头，看到清澈的水流出时，这真是一种令人满意的感觉。 satisfied满意的（修饰人）；satisfy使满意（动词）；satisfying令人满意的（修饰物）。“satisfying”修饰物 “feeling”，表示“令人满意的感觉”。故选C。 （25-26八年级上·上海嘉定·期中）Big data (数据) has much to do with our daily life. 1 does big data make people’s life different? Last month, we asked people about 2 use of big data in our life. Here are the results. 90 percent of the students at school say they often see the names of their favourite songs appear on their smartphones. They think music apps make a difference to 3 life. Data will tell us 4 information about us, such as our hobbies and shopping habits. What can the big data do for 5 ? For example, 70 percent of the women in Shanghai find that taobao app remembers their clothing taste 6 they use the app to buy clothes. 7 getting our information from the apps, the app will show the clothes they need most and they like best. In this way, we can easily find out the clothes we want to buy. 8 great app it is! The results also tell us 80 percent of the young people in Shanghai expect 9 big data. By using big data, people will live a 10 life than they did. And more than half of the people in big cities also ask for greater use of big data in areas like education, service and environment. 1．A．Why B．What C．How 2．A．a B．an C．the 3．A．they B．their C．them 4．A．much B．many C．a few 5．A．we B．us C．our 6．A．although B．as long as C．but 7．A．In B．From C．By 8．A．What a B．How a C．How 9．A．using B．to use C．to using 10．A．comfortable B．more comfortable C．the most comfortable 【答案】 1．C 2．C 3．B 4．A 5．B 6．B 7．C 8．A 9．B 10．B 【导语】本文讲述了大数据是如何改变人们生活的。 1．句意：大数据是如何改变人们的生活的？ Why为什么；What什么；How怎样。根据“Big data has much to do with our daily life.”可知，此句是问大数据是如何改变人们的生活的。故选C。 2．句意：上个月，我们向人们询问了大数据在我们生活中的使用情况。 a不定冠词，表示泛指，用于以辅音音素开头的单词前；an不定冠词，表示泛指，用于以元音音素开头的单词前；the定冠词，表示特指。根据“use of big data in our life”可知，此处表示特指。故选C。 3．句意：他们认为音乐应用程序对他们的生活产生了影响。 they他们，人称代词的主格形式；their他们的，形容词性物主代词；them他们，人称代词的宾格形式。根据“They think music apps make a difference to…life.”可知，此处表达对他们的生活产生了影响，应用形容词性物主代词作定语，修饰后面的名词“life”。故选B。 4．句意：数据会告诉我们很多信息，比如我们的爱好和购物习惯。 much很多，修饰不可数名词；many很多，修饰复数名词；a few一些，修饰复数名词。“information”意为“信息”，为不可数名词，应用much修饰。故选A。 5．句意：大数据能为我们做什么？ we我们，人称代词主格；us我们，人称代词宾格；our我们的，形容词性物主代词。根据“Data will tell…information about us”可知，此句是问大数据能为我们做什么，介词“for”后跟代词宾格作宾语。故选B。 6．句意：例如，70%的上海女性发现，只要她们使用淘宝应用程序购买衣服，淘宝应用程序就会记住她们的衣服品味。 although虽然，即使；as long as只要；but但是。根据“70 percent of the women in Shanghai find that taobao app remembers their clothing taste.”可知，此句是说只要她们使用淘宝应用程序买衣服。故选B。 7．句意：通过从应用程序中获取我们的信息，应用程序将显示他们最需要和最喜欢的衣服。 In在……里；From从；By通过。根据“the app will show the clothes they need most and they like best.”可知，此句是说通过从应用程序中获取信息。故选C。 8．句意：这是一个多么棒的应用啊！ What a引导感叹句时，后跟形容词和单数名词构成的名词短语；How a不用于引导感叹句；How引导感叹句时，后跟形容词或副词，再跟主语和谓语。“great app”为形容词和单数名词构成的名词短语，用what a引导感叹句。故选A。 9．句意：调查结果还告诉我们，80%的上海年轻人希望使用大数据。 using使用，现在分词；to use使用，动词不定式；to using使用，to作介词，using为动名词。根据“expect…big data”可知，此句是说希望使用大数据，expect to do sth.“期望做某事”，动词短语。故选B。 10．句意：通过使用大数据，人们将过上比过去更舒适的生活。 comfortable舒适的；more comfortable更舒适的，为比较级；the most comfortable最高级，为最高级。根据“than”可知，此句用比较级。故选B。 四、阅读理解 （25-26八年级上·上海·阶段检测）Digital technology is changing our lives in many good ways. It makes daily tasks easier and helps us connect with the world better. First, it helps with learning. Before, students could only learn from books and teachers at school. Now, with apps like online classes and educational videos, we can study at home or anywhere. If we don’t understand a math problem, we can watch a video to learn it again. This makes learning more flexible. Second, it improves communication. Long ago, people sent letters which took weeks to arrive. Now, we use Wechat, WhatsApp or video calls. We can talk to grandparents who live far away and even see their faces. It feels like they are right beside us. Third, it makes our life more convenient. We don’t need to carry much cash. We can pay for food or books with our phones. When we want to go somewhere, apps like maps help us find the best way. They even tell us when the bus will come. Lastly, it helps with health. Some apps can track our steps or sleep. Doctors can also use technology to check patients’ health better. For example they can look at test results online quickly. Digital technology is really a great helper. It makes our lives happier and easier. We should learn to use it well to make our future better. 1．Where did students mainly learn before digital technology? A．Online classes. B．Books and school teachers. C．Educational videos. D．Learning apps. 2．How long did it take for letters to arrive long ago? A．A few minutes. B．A few hours. C．A few weeks. D．A few days. 3．Which app is NOT mentioned for communication? A．Map apps. B．WhatsApp. C．Wechat. D．Video call apps. 4．What can we use our phones to do for convenience according to the passage? A．Track sleep. B．Pay for things. C．Watch educational videos. D．Talk to grandparents. 5．What can some health apps track? A．Test results. B．Bus arrival time. C．Steps or sleep. D．Math problems. 6．What does the passage mainly tell us? A．How to use digital technology well. B．The history of digital technology. C．The problems of digital technology. D．How digital technology improves our lives. 【答案】1．B 2．C 3．A 4．B 5．C 6．D 【导语】本文主要介绍了数字技术从学习、沟通、生活便利、健康四个方面给人们的生活带来的积极改变，最后总结指出数字技术是生活的好帮手，我们应该学会善用它来创造更好的未来。 1．细节理解题。根据“Before, students could only learn from books and teachers at school.”可知，以前，学生只能从书本和学校的老师那里学习。故选B。 2．细节理解题。根据“Long ago, people sent letters which took weeks to arrive.”可知，很久以前，人们寄信，信件要花数周才能送达。故选C。 3．细节理解题。根据“Now, we use Wechat, WhatsApp or video calls.”可知，现在，我们会使用微信、WhatsApp或者视频通话。故选A。 4．细节理解题。根据“We don’t need to carry much cash. We can pay for food or books with our phones.”可知，我们不需要携带大量现金，能用手机支付食物或书籍的费用。故选B。 5．细节理解题。根据“Some apps can track our steps or sleep.”可知，一些应用可以追踪我们的步数或睡眠情况。故选C。 6．主旨大意题。根据文章可知，全文从学习、沟通、生活便利、健康四个方面介绍数字技术对生活的积极改变。故选D。 （25-26八年级上·上海宝山·期中）Water pollution is speeding up around the world. We use over 75,000 water-polluting chemicals and make about 1,000 new ones each year. When it rains, water runs over the ground and carries soil, dirt and other harmful stuff to the rivers and lakes. So, anything harmful that we use may finally go into our drinking water. Pollution of drinking water is a problem for half of the world’s population. Among the 250 million people who get sick because of water pollution, 5 to 10 million of them die. In the USA 40% of its rivers and 46% of its lakes are too polluted for fishing or swimming. Each year 1.2 trillion (万亿) gallons of sewage and waste from factories are poured into American rivers and lakes. Asian rivers are the most polluted in the world. They have 20 times more lead (铅) than rivers in developed countries. In 2004, several of China’s major rivers were tested and half of them weren’t suitable for drinking. In Europe, rivers and lakes used for swimming and water sports were also tested between 2004 and 2005. 10% of them were too polluted to be used. Water pollution is not only harmful to people but also to animals. As it is getting more and more serious, nobody on the Earth should still relax and do nothing about it. 1．People use over ________ water-polluting chemicals and make about 1,000 new ones each year. A．750 B．7,500 C．75,000 D．750,000 2．The underlined word “stuff” in the first paragraph probably means “________” in Chinese. A．职员 B．气体 C．暴风雨 D．东西 3．Pollution of ________ made 250 million people get sick and 5 to 10 million of them die. A．drinking water B．land C．noise D．air 4．________ rivers are the most polluted in the world. A．American B．Asian C．African D．European 5．Which of the following sentences is TRUE? A．In the USA over half of its lakes are too polluted for fishing or swimming. B．Asian rivers have 20 times more lead than rivers in developed countries. C．15% of European rivers were too polluted to be used. D．Pollution of drinking water is a problem for all of the world’s population. 6．Which is the best topic sentence for the passage? A．Water is limited (有限的). B．Rivers and lakes in Asia are seriously polluted. C．Water pollution is getting more and more serious. D．There are ways to prevent people polluting water. 【答案】1．C 2．D 3．A 4．B 5．B 6．C 【导语】本文是一篇说明文，文章主要介绍了全球水污染的严重性，包括污染物的数量、对人类和动物的影响，以及不同地区水污染的具体情况。 1．细节理解题。根据文章第一段“We use over 75,000 water-polluting chemicals and make about 1,000 new ones each year.”可知，人们使用超过75,000种水污染化学品，并且每年制造大约1,000种新的化学品。故选C。 2．词句猜测题。根据“water-polluting chemicals”可知指的是有害物质，stuff意为“东西”。故选D。 3．细节理解题。根据文章第二段“Pollution of drinking water is a problem for half of the world’s population. Among the 250 million people who get sick because of water pollution, 5 to 10 million of them die.”可知，饮用水污染导致2.5亿人生病，其中500万至1000万人死亡。故选A。 4．细节理解题。根据文章第四段“Asian rivers are the most polluted in the world.”可知，亚洲的河流是世界上最污染的。故选B。 5．细节理解题。根据文章第四段“They have 20 times more lead (铅) than rivers in developed countries.”可知，亚洲河流的铅含量是发达国家河流的20倍。故选B。 6．主旨大意题。根据文章第一段“Water pollution is speeding up around the world.”及全文内容可知，文章主要介绍了全球水污染的严重性，包括污染物的数量、对人类和动物的影响，以及不同地区水污染的具体情况。因此，C选项“水污染越来越严重”是本文的最佳主题句。故选C。 4 / 4 学科网（北京）股份有限公司 $ 专题01 Units1 ~2（语法综合练） （建议用时：40分钟） 分类 从句引导词 用法 时间 状从 when 当...时 ①既指时间点，也可指时间段；后可接终止性动词， 也可接延续性动词 ②从句的动作和主句的动作可以是同时，也可以是先 后发生 ③when 后一般接过去式：When the teacher came in, we were talking. ④表“突然”：I was having my dinner when there was a sudden knock at the door. while 当...时 ①后接延续性动词 ②从句的动作和主句的动作是同时发生 ③while 后一般接进行时：While we were talking, the teacher came in. ④表“然而 ” ：Mother was cooking ,while father was watching TV . since 自从... since 引导的从句常用一般过去时，主句用现在完成时 I have worked in this hospital since I came to Beijing. until/till 直到 主句的谓语动词是延续性动词 I’ll wait for you till you come back. not...until 直到...才 主句的谓语动词是非延续性动词 （有时用 never,nothing 等替代 not 表否定） I didn’t go to bed until I finished my work. as soon as 一...就 I’ll call you as soon as I get to school. before/after 在...之前/后 ① You should wash your hands before eating. ② I always feel relaxed after reading a book. 复合不定代词 词缀 -one（人） -body（人） -thing（事物） 用法 some- someone somebody something ①用于肯定句 ②用于表示请求的疑问句 any- anyone anybody anything ①用于否定句&疑问句 ②表示“任何……”也可用于肯定句 no- no one nobody nothing ①no one=nobody ②nothing 回答 what 的提问 every- everyone everybody everything ①everyone=everybody 1. 复合不定代词作主语，谓语动词用单数（如：Something is wrong with her watch.） 2. 复合不定代词被形容词或 else 修饰时，形容词和 else 要后置（如：something interesting） 3. 复合不定代词被to do 修饰时，to do 要后置（如：I don't have anything to say.） 一、单项选择 1．As soon as the package ________ at the house, the man will send it to the customer. A．will arrive B．arriving C．arrived D．arrives 2．The baby didn’t go to bed ________ his mother came back home. A．until B．when C．as D．after 3．The students were chatting happily ________ the teacher came in. A．since B．as soon as C．while D．when 4．She didn’t stop trying different ways ________ she found the solution, and that’s how she found artemisinin (青蒿素) with her team. A．as B．when C．until D．after 5．You’d better turn off the tap ________ you finish using water. A．until B．before C．unless D．as soon as 6．Tom kept working on the math problem ________ he found the answer. A．when B．after C．unless D．until 7．________ Benny was reading a novel, someone knocked at the door. A．If B．While C．Since D．Though 8．Joyce almost fell asleep ________ she was doing her homework. A．if B．though C．as soon as D．while 9．Most of the villagers were sleeping ________ the earthquake happened. A．until B．when C．while D．after 10．The little boy will stay here ________ his parents come back. A．when B．while C．as soon as D．until 11．We need to take action to save every drop of water ________ it is too late. A．before B．as C．after D．until 12．Mr Green was talking on the phone ________ I arrived at his office. A．while B．when C．as soon as D．before 13．It ________ five years since I came to this city after finishing middle school. A．was B．had been C．have been D．is 14．It is quite natural to feel nervous ______ you speak in public. A．though B．when C．after D．than 15．Children are taught to give their teeth a good brush ________ they go to bed. A．if B．after C．because D．before 16．Tom is sleeping ________ Jim is helping his mum make dinner. A．until B．while C．before D．after 17．We won’t leave the camping site ________ we are sure these children are safe. A．until B．after C．though D．if 18．Jenny is a very thoughtful girl. She had got everything ready ________ the class meeting began. A．before B．after C．when D．until 19．Don’t be afraid if you notice ________ happening outside the window. A．something strange B．strange something C．nothing strange D．strange nothing 20．There is almost ________ in the fridge. Let’s go to the supermarket now. A．everything B．something C．nothing D．anything 21．— Next month we’re going________ as soon as the holiday begins. — Sounds good. A．somewhere interesting B．interesting somewhere C．anywhere interesting D．interesting anywhere 22．—Is there ________ interesting in today’s magazine?   —Yes, there’s a story about space travel. A．something B．anything C．nothing D．everything 23．—If ________ calls, tell them I’m not at home. —Okay, I will do it this way. A．anything B．nothing C．none D．anyone 24．—I’m so hungry after working for a whole day. Can I have a hamburger? —Oh dear. There’s ________ in the fridge, but I will order one for you. A．none B．nothing C．nobody D．anything 25．— Tina, did you buy ________ when you went to Yunnan last month? — Of course. I bought some flower cakes for my parents. A．anything special B．special anything C．something special D．special something 26．— Who is in the classroom? — ________. A．Not B．Nothing C．Not one D．No one 27．—Ella, ________ is waiting for you at the school gate. —That must be my brother. A．anybody B．somebody C．everybody D．nobody 28．—Is there ________ left in the fridge? —No, let’s go to the supermarket to buy some. A．everything B．something C．anything D．nothing 29．Lisa wanted to ask ________ about the summer camp, but there wasn’t ________ in the teachers’ room. A．someone; someone B．anyone; someone C．someone; anyone 30．Mr Green looked through his bag carefully but saw ________ useful. A．something B．anything C．everything D．nothing 31．Einstein signed his last letter________ he passed away. A．after B．while C．before D．until 32．— I plan to go on a self-driving trip to Xinjiang next month. Any suggestions? — Great! Remember to check your oil ________you leave. A．since B．before C．after D．while 33．It has been six years ________ we last saw each other, and we both have changed a lot. A．or B．if C．until D．since 34．_______ she grew older, she became more and more active. A．Before B．As C．Because D．Until 35．My father was reading a newspaper ________ my mother was cooking dinner at 7 last night. A．while B．until C．after D．before 36．I was doing my homework ________ my friend called me. A．when B．once C．while D．since 37．I’ll call you ________ I arrive at the train station tomorrow morning. A．so B．as well as C．even if D．as soon as 38．Sure. ________we are on holiday, you, Sam, Helen and I can go there together by train. A．As soon as B．As good as C．As well as D．As far as 39．You also need to talk with your parents about your worries. After all, your grades are just a part of you, not ________. A．anything B．everything C．something D．nothing 40．Marks don’t mean ________. It’s your character and ability that really matter. A．something B．anything C．everything D．nothing 二、完成句子 41．暑假时你去什么有趣的地方了吗? Did you go ________________ on your summer holidays? 42．Tom doesn’t know anything about the spaceship. （改为同义句） Tom ________ ________ about the spaceship. 43．她假期里什么特别的事情都没做。 She didn’t do ________ ________ during her vacation. 44．anything, you, Did, interesting, do, your holiday, on (?) ___________________________________________ 45．There was something important in the letter. (改为一般疑问句) ________ there ________ important in the letter? 46．The team started the meeting after everyone arrived.（保持句意不变) The team ________ start the meeting ________ everyone arrived. 47．He went to sleep after his mother came back last night. (保持句意不变) ____________________________________________________ 48．He listened to music. He was doing his homework. (用while合并句子) ___________________________. 49．He comes back. I will call you at once. (合并成句子) I ________ call you ________. 50．It won’t be long. Your parents find out what you have done. (用合适的时间状语连词连接两句话) ____________________________________________________________________________________________. 三、语法选择 （25-26八年级上·上海嘉定·期中）The Importance of Protecting Water Resources Water is essential to all living things, and we should raise 1 of water protection. In our daily life, clean drinking water doesn’t come easily— it goes 2 a complex water cycle first. First, rainwater and groundwater are collected in reservoirs (蓄水池). These water sources 3 up in special areas to avoid pollution. Then, the water is sent to water 4 plants, where it is 5 managed by workers. They use professional technology to filter (过滤) impurities 6 kill harmful bacteria to make sure the water is safe for us to use. 7 treatment, the water is delivered to our homes, and we can enjoy clean drinking water every day. It’s important to keep the water 8 use clean. We should not 9 waste water or garbage into rivers. Only in this way can we have a continuous supply of clean water. When we turn on the tap and see clear water flowing out, it’s really a 10 feeling. Let’s all take action to protect water resources together! 1．A．aware B．unaware C．awareness 2．A．into B．through C．across 3．A．are locked B．are locking C．lock 4．A．treat B．treating C．treatment 5．A．safe B．safely C．safety 6．A．but B．or C．and 7．A．After B．Before C．When 8．A．us B．we C．our 9．A．pour B．put C．throw 10．A．satisfied B．satisfy C．satisfying （25-26八年级上·上海嘉定·期中）Big data (数据) has much to do with our daily life. 1 does big data make people’s life different? Last month, we asked people about 2 use of big data in our life. Here are the results. 90 percent of the students at school say they often see the names of their favourite songs appear on their smartphones. They think music apps make a difference to 3 life. Data will tell us 4 information about us, such as our hobbies and shopping habits. What can the big data do for 5 ? For example, 70 percent of the women in Shanghai find that taobao app remembers their clothing taste 6 they use the app to buy clothes. 7 getting our information from the apps, the app will show the clothes they need most and they like best. In this way, we can easily find out the clothes we want to buy. 8 great app it is! The results also tell us 80 percent of the young people in Shanghai expect 9 big data. By using big data, people will live a 10 life than they did. And more than half of the people in big cities also ask for greater use of big data in areas like education, service and environment. 1．A．Why B．What C．How 2．A．a B．an C．the 3．A．they B．their C．them 4．A．much B．many C．a few 5．A．we B．us C．our 6．A．although B．as long as C．but 7．A．In B．From C．By 8．A．What a B．How a C．How 9．A．using B．to use C．to using 10．A．comfortable B．more comfortable C．the most comfortable 四、阅读理解 （25-26八年级上·上海·阶段检测）Digital technology is changing our lives in many good ways. It makes daily tasks easier and helps us connect with the world better. First, it helps with learning. Before, students could only learn from books and teachers at school. Now, with apps like online classes and educational videos, we can study at home or anywhere. If we don’t understand a math problem, we can watch a video to learn it again. This makes learning more flexible. Second, it improves communication. Long ago, people sent letters which took weeks to arrive. Now, we use Wechat, WhatsApp or video calls. We can talk to grandparents who live far away and even see their faces. It feels like they are right beside us. Third, it makes our life more convenient. We don’t need to carry much cash. We can pay for food or books with our phones. When we want to go somewhere, apps like maps help us find the best way. They even tell us when the bus will come. Lastly, it helps with health. Some apps can track our steps or sleep. Doctors can also use technology to check patients’ health better. For example they can look at test results online quickly. Digital technology is really a great helper. It makes our lives happier and easier. We should learn to use it well to make our future better. 1．Where did students mainly learn before digital technology? A．Online classes. B．Books and school teachers. C．Educational videos. D．Learning apps. 2．How long did it take for letters to arrive long ago? A．A few minutes. B．A few hours. C．A few weeks. D．A few days. 3．Which app is NOT mentioned for communication? A．Map apps. B．WhatsApp. C．Wechat. D．Video call apps. 4．What can we use our phones to do for convenience according to the passage? A．Track sleep. B．Pay for things. C．Watch educational videos. D．Talk to grandparents. 5．What can some health apps track? A．Test results. B．Bus arrival time. C．Steps or sleep. D．Math problems. 6．What does the passage mainly tell us? A．How to use digital technology well. B．The history of digital technology. C．The problems of digital technology. D．How digital technology improves our lives. （25-26八年级上·上海宝山·期中）Water pollution is speeding up around the world. We use over 75,000 water-polluting chemicals and make about 1,000 new ones each year. When it rains, water runs over the ground and carries soil, dirt and other harmful stuff to the rivers and lakes. So, anything harmful that we use may finally go into our drinking water. Pollution of drinking water is a problem for half of the world’s population. Among the 250 million people who get sick because of water pollution, 5 to 10 million of them die. In the USA 40% of its rivers and 46% of its lakes are too polluted for fishing or swimming. Each year 1.2 trillion (万亿) gallons of sewage and waste from factories are poured into American rivers and lakes. Asian rivers are the most polluted in the world. They have 20 times more lead (铅) than rivers in developed countries. In 2004, several of China’s major rivers were tested and half of them weren’t suitable for drinking. In Europe, rivers and lakes used for swimming and water sports were also tested between 2004 and 2005. 10% of them were too polluted to be used. Water pollution is not only harmful to people but also to animals. As it is getting more and more serious, nobody on the Earth should still relax and do nothing about it. 1．People use over ________ water-polluting chemicals and make about 1,000 new ones each year. A．750 B．7,500 C．75,000 D．750,000 2．The underlined word “stuff” in the first paragraph probably means “________” in Chinese. A．职员 B．气体 C．暴风雨 D．东西 3．Pollution of ________ made 250 million people get sick and 5 to 10 million of them die. A．drinking water B．land C．noise D．air 4．________ rivers are the most polluted in the world. A．American B．Asian C．African D．European 5．Which of the following sentences is TRUE? A．In the USA over half of its lakes are too polluted for fishing or swimming. B．Asian rivers have 20 times more lead than rivers in developed countries. C．15% of European rivers were too polluted to be used. D．Pollution of drinking water is a problem for all of the world’s population. 6．Which is the best topic sentence for the passage? A．Water is limited (有限的). B．Rivers and lakes in Asia are seriously polluted. C．Water pollution is getting more and more serious. D．There are ways to prevent people polluting water. 4 / 4 学科网（北京）股份有限公司 $