Unit 4 Then and now 让步状语从句（单元核心语法精练）英语沪教版五四学制2024八年级上册

Unit 4 Then and now 让步状语从句（单元核心语法精练） 引导词 核心含义 用法要点 典型例句 though 虽然；尽管 可置于句首 / 句中，不与 but 连用 Though he is young, he works hard. (虽年轻，但工作努力) although 虽然；尽管 语气比 though 稍强，多置于句首，不与 but 连用 Although it rained, we still went out. (虽下雨，我们仍外出) even though 即使；尽管 表强调 “退一步假设”，语气强于 though Even though he was tired, he finished his homework. (即使累，他仍完成作业) even if 即使；纵然 常表 “假设性让步”（未必真实发生） Even if it snows tomorrow, we will go to school. (即使明天下雪，我们也要上学) no matter + 疑问词（what/when/where/how/who） 无论……（什么 / 何时 / 何地 / 怎样 / 谁） 引导 “无条件让步”，疑问词不可省略 No matter how difficult it is, I will try. (无论多困难，我都会尝试) 疑问词 + ever（whatever/whenever/wherever/however/whoever） 无论……（什么 / 何时 / 何地 / 怎样 / 谁） 用法同 “no matter + 疑问词”，可引导主语 / 宾语从句 Whatever you say, I won’t change my mind. (无论你说什么，我都不改变主意) 一、单项选择 1．________ Hansel and Gretel dropped pieces of bread along the way, ________ they still got lost in the forest. A．Although; but B．Although; / C．Because; so D．Because; / 【答案】B 【详解】句意：尽管韩赛尔和格瑞特沿路扔了很多面包屑，但是他们依然在森林里迷路了。 考查连词。Although尽管；but但是；Because因为；so因此。根据“... Hansel and Gretel dropped pieces of bread along the way, ... they still got lost in the forest.”可知，前后两句话之间是让步关系；Although“尽管”，引导让步状语从句，不与but连用。故选B。 2．The Greens often help the poor ________ they are not rich. A．ever since B．even though C．if D．until 【答案】B 【详解】句意：格林一家虽然不富裕，但经常帮助穷人。 考查连词辨析。ever since自从；even though尽管；if如果；until直到。根据“The Greens often help the poor...they are not rich.”可知，强调尽管不富裕但仍帮助他人，是让步状语从句。故选B。 3．—Mrs. Smith is really a nice woman. —Yes. And she never wastes anything ________ she is very rich. A．as soon as B．as long as C．as far as D．even though 【答案】D 【详解】句意：——史密斯夫人真是个好女人。 ——是的。她从不浪费任何东西，即使她很富有。 考查连词。as soon as一……就……；as long as只要；as far as就……而言；even though虽然，尽管。根据“And she never wastes anything...she is very rich.”可知前后句之间是让步关系，因此应用even though引导让步状语从句。 故选D。 4．—Why do students in No.1 Middle School never give up ________ they are in the face of difficulties? —Because they believe that nothing is impossible if they put their heart into it. A．as soon as B．as long as C．so that D．even though 【答案】D 【详解】句意：——为什么第一中学的学生即使遇到困难也从不放弃？——因为他们相信，如果他们用心去做，没有什么是不可能的。 考查连词辨析。as soon as一……就……；as long as只要；so that以便；even though尽管。根据“students in No.1 Middle School never give up...they are in the face of difficulties”可知，even though符合语境，引导让步状语从句，表示“尽管面临困难，他们也不放弃”。故选D。 5．________ our parents want us to be successful by working hard, ________ it is even more important to lower students’ stress. A．Although; but B．Although; / C．Because; so D．Unless; / 【答案】B 【详解】句意：虽然我们的父母想要我们通过努力学习取得成功，但更重要的是减轻学生的压力。 考查连词辨析。Although虽然；but但是；Because因为；so所以；Unless除非。根据“...our parents want us to be successful by working hard, ...it is even more important to lower students’ stress.”可知，“我们的父母希望我们通过努力学习取得成功”和“更重要的是减轻学生的压力”是让步转折关系，应用“虽然……但是……”连接句子。英语中although和but不可连用。故选B。 6．Robot carers are more useful in our daily life ________ it has some disadvantages. A．unless B．if C．because D．although 【答案】D 【详解】句意：尽管机器人护理员有一些缺点，但它们在日常生活中更有用。 考查连词辨析。unless除非；if如果；because因为；although尽管。句子前半部分说“Robot carers are more useful in our daily life”，后半部分说“it has some disadvantages”，前后是让步关系。故选D。 7．________ the hotel was quite far from the city center, it was comfortable and had excellent service. A．Because B．Although C．If D．Until 【答案】B 【详解】句意：虽然这家酒店离市中心很远，它却很舒适，而且服务很棒。 考查连词辨析。Because因为；Although虽然；If如果；Until直到……为止。根据“the hotel was quite far from the city center”和“it was comfortable and had excellent service”可知，前句“酒店离市中心远”，后句“酒店舒适、服务好”，前后句之间形成让步关系。故选B。 8．Parents’ love is like the wind. ______ you can see it or not, it is always around you. A．Whether B．If C．Though D．And 【答案】A 【详解】句意：父母的爱就像风一样。不管你能不能看到，它总是在你身边。 考查连词辨析。whether是否；if如果；though尽管；and并且。根据“or not”可知，此处是结构whether...or not“无论……与否，不管是不是”。故选A。 9．I think you have to be patient enough no matter ________ difficulties you meet. A．what B．when C．why D．how 【答案】A 【详解】句意：我认为无论遇到什么困难，你都必须足够有耐心。 考查让步状语从句的引导词。what什么；when什么时候；why为什么；how如何。根据“no matter…difficulties you meet”可知，在这里“no matter what”引导让步状语从句，表示“无论什么”，修饰后面的“difficulties”，强调无论遇到的是何种困难。故选A。 10．—What do you like to do when it rains? —________ it rains, I enjoy watching movies at home. A．Whenever B．Whatever C．Wherever D．However 【答案】A 【详解】句意：——下雨的时候你喜欢做什么？——每当下雨的时候，我就喜欢待在家里看电影。 考查从属连词辨析。whenever无论何时；whatever无论什么；wherever无论在哪里；however然而，无论如何。根据“it rains”可知此处应用whenever引导让步状语从句，强调每当下雨的时候。故选A。 11．Smiles are the best language. ________ you meet, you should smile at them. A．However B．Whenever C．Whoever D．Wherever 【答案】C 【详解】句意：微笑是最好的语言。无论你遇到谁，你都应该对他们微笑。 考查让步状语从句。However不管怎样；Whenever无论何时；Whoever无论谁；Wherever无论哪里。根据“them”可知，指代从句中提到的“人”，空格处需填入Whoever，引导状语从句，并作为动词“meet”的宾语。故选C。 12．No matter ________ you may fly, never forget where you come from. A．how long B．how far C．how much D．how often 【答案】B 【详解】句意：无论你飞得多远，都不要忘记你从哪里来。 考查疑问词组。how long多长；how far多远；how much多少；how often多久一次。根据“you may fly, never forget where you come from.”可知，此处指无论飞“多远”，都不要忘记你从哪里来。故选B。 13．The little boy succeeded in reaching the camp, ________ he fell over several times all the way. A．until B．but C．even though D．so that 【答案】C 【详解】句意：小男孩成功到达营地，尽管一路上他摔倒了几次。 考查连词辨析。until直到；but但是；even though尽管；so that以便于。根据“The little boy succeeded in reaching the camp”和“he fell over several times all the way.”可知，此处引导一个让步状语从句，应用“even though”，故选C。 14．Even though he fails this time, he won’t give up his dream of becoming a professional singer. A．Only if B．Even if C．As a result D．Not only 【答案】B 【详解】句意：即使他这次失败了，他也不会放弃成为一名职业歌手的梦想。 考查连词短语。Only if只有……才；Even if即使；As a result结果；Not only不但。原句中“Even though”意思是“即使”，引导让步状语从句；“Even if”意为“即使” ，与“Even though”同义。故选B。 15．________ he is over 70 years old, ________ he keeps running every day. A．Although; but B．But; / C．Although; / D．/; although 【答案】C 【详解】句意：尽管他70多岁了，但他仍坚持每天跑步。 考查连词用法。Although“尽管”引导让步状语从句时，主句前不可再加but“但是”，二者不可同现。根据“he is over 70 years old, ... he keeps running…”可知，第一空需用Although引导让步从句，第二空无需连词，直接接主句。故选C。 16．________ he is young, ________ he can look after himself. A．Although; but B．Although; / C．Because; so D．Because; and 【答案】B 【详解】句意：虽然他年纪小，但他能照顾自己。 考查连词辨析。Although虽然；but但是；Because因为；so因此；and和。根据“he is young”和“he can look after himself”可知，此处应指虽然他年纪小，但他能照顾自己，要用although引导让步状语从句，although和but不能同时使用。故选B。 17．________ AI is smart, it can’t take humans’ place. A．Until B．If C．Although D．Because 【答案】C 【详解】句意：虽然人工智能很聪明，但它不能取代人类的位置。 考查连词辨析。Until直到……为止；If如果；Although虽然；Because因为。根据题干可知，前后句是让步关系，所以应用Although引导此让步状语从句。故选C。 18．________ spring is coming, the weather in Kunming is still cold. A．But B．So C．Until D．Although 【答案】D 【详解】句意：尽管春天来了，昆明的天气仍然很冷。 考查连词词义辨析。But但是，表转折；So所以，表结果；Until直到，表时间；Although尽管，表让步。根据“spring is coming”和“the weather in Kunming is still cold”可知，前后是让步关系，“Although”符合语境，引导让步状语从句。故选D。 19．—Mike always copies my homework, what should I do? —________ he’s your best friend, you should tell him that copying is wrong. A．While B．Although C．Since D．If 【答案】B 【详解】句意：——Mike总是抄我的作业，我该怎么办？——尽管他是你的好朋友，你还是应该告诉他抄作业是错误的。 考查Although引导让步状语从句。While当……时候；Although尽管；Since既然；If如果。根据“...he’s your best friend, you should tell him that copying is wrong.”可知，前后句为让步关系，尽管他是你的好朋友，你还是应该告诉他抄作业是错误的。因此，用although引导让步状语从句。故选B。 20．________ we have enough money, we won’t buy any useless things. A．Since B．Until C．Although D．Unless 【答案】C 【详解】句意：虽然我们有足够的钱，但我们不会买任何无用的东西。 考查从属连词辨析。Since自从；Until直到……为止；Although尽管；Unless除非。根据“we have enough money”和“we won’t buy any useless things”可知，两者之间为让步关系，即虽然有足够的钱，但不会买任何无用的东西，要用Although引导让步状语从句。故选C。 二、单词拼写 1．Although his parents didn't want him to work abroad, Li Yang （stick）to his own decision. 【答案】stuck 【详解】句意：尽管他的父母不想让他出国工作，李阳还是坚持自己的决定。 stick to坚持，动词短语。本句为although引导的让步状语从句，结合句中didn't及语境可知，从句时态为一般过去时，故主句也应为一般过去时，故此处应用所给动词的过去式stuck。故答案为stuck。 2． (where) you work, you must serve the people whole-heartedly. 【答案】Wherever 【详解】句意：无论你在哪里工作，你都必须全心全意为人民服务。根据“… you work, you must serve the people whole-heartedly”可知，此处强调无论在什么地方工作，都要全心全意为人民服务，突出工作地点的不确定性和无条件性，应用wherever“无论在哪里”引导让步状语从句，相当于“no matter where”，位于句首，首字母要大写。故填Wherever。 3．—My grandpa learns English for two hours every day, (although/since) he is over 70. —Really? We should learn from him. 【答案】although 【详解】句意：——我爷爷每天学两个小时英语，尽管他已经70多岁了。——真的吗？我们应该向他学习。although虽然、尽管；since自从。根据“My grandpa learns English for two hours every day,”以及“he is over 70.”可知，前后句之间存在让步关系，所以用although引导让步状语从句，故选although。 4． (no matter) what the weather is like, she walks ten miles every day. 【答案】No matter　 【详解】句意：不管天气如何，她每天走十英里。no matter +疑问词，引导让步状语从句，故填No matter。 5． （who）wants to enter the room must answer a question first. 【答案】Whoever 【详解】句意：任何想进入房间的人都必须先回答一个问题。根据“wants to enter the room must answer a question first”可知是指无论是谁都要回答一个问题，whoever“无论是谁”，引导让步状语从句。故填Whoever。 6．I’m upset because I still can’t get the computer started, though I (try) every possible way. 【答案】have tried 【详解】句意：我很沮丧因为虽然我尝试了所有可能的方法，但我还是不能启动电脑。try“尝试”，根据“I still can’t get the computer started, though I...(try) every possible way”可知，本句为though引导的让步状语从句，主句为一般现在时，表示造成的结果，从句应为现在完成时，结构为has/have+动词过去分词，主语是I，助动词用have，try的过去分词为tried。故填have tried。 7． (what) you may say, I will not trust you any more. 【答案】Whatever 【详解】句意：无论你说什么，我都不会再相信你了。what“什么”。此处指无论你说什么，我都……，用whatever引导让步状语从句，句首首字母大写。故填Whatever。 8．Although you may be (happy) with your parents, you should talk to them. 【答案】unhappy 【详解】句意：虽然你可能对你的父母不满意，但你应该和他们谈谈。although引导让步状语从句，结合句中“you should talk to them”可知，此处是“虽然你可能对父母不满意，但也应该和他们谈谈”；unhappy是happy的反义词，意为“不满意的”，be unhappy with sb.对某人不满。故填unhappy。 9．You can ask your teachers or parents for help (when) you have trouble. 【答案】whenever 【详解】句意：当你遇到困难时，你可以向你的老师或父母寻求帮助。when表示“当……时候”，根据“You can ask your teachers or parents for help...you have trouble.”可知，此处是指无论你什么时候遇到困难，你都可以向你的老师或父母寻求帮助，whenever“无论何时”。故填whenever。 10．Though it (rain) outside, they are still on the playground. 【答案】is raining 【详解】句意：尽管外面正在下雨，他们仍然在操场上。本句是though引导的让步状语从句，主句they are still on the playground是一般现在时，根据句意结构和英文提示，可知从句用现在进行时，表示“尽管正在下雨，但是他们仍然在操场”；it指天气是单数第三人称，需用is+现在分词结构，故填is raining。 三、完成句子 1．You should keep on following your heart no matter what difficulties you may meet.（改为同义句） You should keep on following your heart you may meet. 【答案】 whatever difficulties 【详解】句意：不管遇到什么困难，你都应该追随自己的心。根据“no matter what difficulties”可知，此处使用结构“no matter+疑问词=疑问词ever”，用来引导让步状语从句，表示“不管……，无论……”。故填whatever；difficulties。 2．—Will they have the party today? —I’m afraid not. Maybe half the class won’t come. (句型转化) = they have the party today, half the class won’t come. 【答案】Even if 【详解】句意：——他们今天会举行派对吗？——恐怕不会。可能有一半的同学不会来。根据上下文，句子的意思是“即使他们今天举行派对，也有一半的同学不会来。” “Even if”表示“即使”，符合句意。故填Even if。 3．They are poor but they are happy. (同义句转换) they are poor, they are happy. 【答案】Although/Though 【详解】句意：他们是贫穷的但是他们很开心。原句使用“but”表示转折关系，意为“但是”，同义句需将表转折的“but”替换为表让步的“although/though”，“although/though”位于句首引导从句，主句保持不变，首字母大写。故填Although/Though。 4．Whenever you come back, I shall go to meet you at the station. (改为同义句) you come back, I shall go to meet you at the station. 【答案】 No matter when 【详解】句意：无论你什么时候回来，我都会去车站接你。原句中whenever表示“无论何时”，引导让步状语从句，此处可用no matter when进行替换。故填No；matter；when。 5．虽然她擅长画画，但有时会犯错误。 she is good drawing, she sometimes . 【答案】 Although/Though at makes mistakes 【详解】对照中英文可知，缺少“虽然”、“擅长”和“犯错”。“虽然”用连词although或though，引导让步状语从句，位于句首，首字母大写；“擅长”用形容词短语be good at；“犯错”用动词短语make mistakes，根据“sometimes”可知，主句时态为一般现在时，主语为“she”，谓语动词用三单形式。make的三单形式为makes。故填Although/Though；at；makes；mistakes。 6．Living conditions were unpleasant in the past. Many people moved to cities.（用 although 合并） 【答案】Although living conditions were unpleasant in the past, many people moved to cities. 【详解】句意：过去的生活条件很糟糕。许多人搬到了城市。“although”意为“尽管；虽然”，引导让步状语从句，强调主句和从句之间的转折关系。原句中“Living conditions were unpleasant in the past”是让步状语，“many people moved to cities”是主句，用“although”连接时，从句在前，主句在后，且从句与主句之间常用逗号隔开。故填Although living conditions were unpleasant in the past, many people moved to cities. 7．he, was, ran, Danny, as fast as possible, very tired, though (连词成句) . 【答案】Danny ran as fast as possible though he was very tired/Though Danny was very tired, he ran as fast as possible 【详解】根据所给词可知此处是含though引导的让步状语从句的主从复合句，“很累was tired”表示让步，主句讲“尽可能地跑得快ran as fast as possible”。主句在前从句在后时，句中不要逗号，主句Danny ran as fast as possible；从句though he was very tired。主句在后从句在前时，从句与主句之间用逗号隔开，从句though Danny was very tired；主句he ran as fast as possible。故填Danny ran as fast as possible though he was very tired/Though Danny was very tired, he ran as fast as possible“虽然丹尼很累，但他还是尽可能快地跑”。 8．very; he; although; is; 65; over; is; fit; he; enjoys; and; working; still; (,); (.) . 【答案】Although he is over 65, he is very fit and still enjoys working 【详解】分析所给单词可知，本句为although引导的让步状语从句。从句为主系表结构，he为主语；is为系动词；over 65为表语；very fit作主句的表语；and表并列；still为副词，修饰动词enjoys；working为宾语。故填Although he is over 65, he is very fit and still enjoys working“虽然他已经65岁以上了，但身体很好，仍然很喜欢工作”。 9．it, poses, various, risks, convenience, artificial intelligence, great, in, privacy, though, fields, certain, to, offers  (连词成句) . 【答案】Though artificial intelligence offers great convenience in certain fields, it poses various risks to privacy 【详解】根据所给标点和“though”可知，本句是含让步状语从句的复合句，though“尽管”，引导让步状语从句，需置于句首；artificial intelligence“人工智能”，作从句的主语；offers“提供”，从句谓语动词；great convenience“极大的便利”，作从句宾语；in certain fields“在某些领域”，作状语。从句意为“尽管人工智能在某些领域提供了极大便利”；剩余部分构成主句，it，指代“artificial intelligence”，作主句的主语；poses“造成；引起”，作主句谓语动词；various risks to privacy“各种隐私风险”，作主句宾语，主句意为“它给隐私带来了各种风险”。故填Though artificial intelligence offers great convenience in certain fields, it poses various risks to privacy “尽管人工智能在某些领域提供了极大的便利，但它给隐私带来了各种风险”。 10．所有人都喜欢我的狗Coffee，尽管它经常把家里弄得一团糟。 Everyone loves my dog Coffee, he often makes a mess at home. 【答案】though/although 【详解】根据中英文对照可知，空处表示“尽管”，其英文为“although/ though”，引导让步状语从句。故填although/ though。 四、语法选择 从A、B、C、D四个选项中选出可以填入空白处的最佳答案，并把答题卡上对应题目的答案标号涂黑。 Can you still remember 1 picture on the left? You can see two little girls 2 a river with the help of nothing but a ropeway. They are sisters, Yu Chunhua and Yu Caimei. Because they were not heavy enough, sometimes, they couldn’t get to 3 side of the river and hung in the middle like leaves waving in the air.17 years later, 4 is their life like now? In 2014, the elder sister Yu Chunhua 5 into a medical college. After finishing it, she returned to her hometown and now works as a nurse in a hospital in the village. “Great changes happened to our village. I couldn’t find the way around when I got back after several 6 school life,” said Yu Chunhua. Thanks to the targeted poverty alleviation (精准扶贫), Yu Caimei, the younger sister, now works as a farmer in the village and makes much money. She is so proud that she can depend on 7 now. How about the ropeways in the village? On Dec. 30, 2018, a suspension bridge (索桥) 8 the Nujiang River was completed. As a result, the ropeways become part of a leisure (休闲) activity and only a few are still there for tourists 9 in the area. “People of the future generations don’t need ropeways. This makes us expect a lot about the future,” said the two sisters. “We believe the 10 we work, the better future we will have.” 1．A．a B．an C．the 2．A．crossing B．cross C．to cross 3．A．the other B．another C．others 4．A．how B．what C．where 5．A．got B．gets C．is getting 6．A．year B．years C．years’ 7．A．her B．she C．herself 8．A．over B．in C．on 9．A．experience B．to experience C．experienced 10．A．hard B．harder C．hardest 【答案】 1．C 2．A 3．A 4．B 5．A 6．C 7．C 8．A 9．B 10．B 【导语】本文讲述了两位姐妹通过索道过河的故事，以及她们在精准扶贫政策下生活的变化。 1．句意：你还能记得左边的那张照片吗？ a一，用于以辅音音素开头的单词前，表泛指；an一，用于以元音音素开头的单词前，表泛指；the这个/那个，表特指。根据“picture on the left”可知，此处特指左边的那张照片，故选C。 2．句意：你可以看到两个小女孩在没有任何帮助的情况下，仅靠一条索道过河。 crossing现在分词，表示正在进行的动作；cross动词原形；to cross不定式，表示目的。根据“You can see two little girls…a river”可知，此处表示正在进行的动作，see sb doing sth“看见某人正在做某事”，故选A。 3．句意：因为她们不够重，有时她们无法到达河的另一边，像树叶一样悬挂在空中。 the other两者中的另一个；another三者或以上中的另一个；others其他的人或物。根据“they couldn’t get to…side of the river”可知，此处指河的另一边，故选A。 4．句意：17年后，她们的生活现在是什么样子？ how如何；what什么；where哪里。根据“…is their life like now?”可知，此处询问生活是什么样子，故选B。 5．句意：2014年，姐姐余春花考入了一所医学院。 got过去式，表示过去发生的动作；gets一般现在时；is getting现在进行时。根据“In 2014”可知，此处表示过去发生的动作，故选A。 6．句意：当我经过几年的学校生活后回来时，我找不到路了。 year年；years复数形式；years’所有格形式。根据“after several…school life”可知，此处表示几年的学校生活，要用所有格修饰名词，故选C。 7．句意：她现在非常自豪，因为她可以依靠自己了。 her她；she她；herself她自己。根据“she can depend on…now”可知，此处表示依靠自己，故选C。 8．句意：2018年12月30日，一座横跨怒江的悬索桥竣工了。 over在……上方；in在……里面；on在……上面。根据“a suspension bridge…the Nujiang River”可知，此处表示横跨怒江，故选A。 9．句意：因此，索道成为休闲活动的一部分，只有少数索道仍然存在，供该地区的游客体验。 experience动词原形；to experience不定式表示目的；experienced过去分词。根据“only a few are still there for tourists…in the area”可知，此处表示供游客体验，用不定式。故选B。 10．句意：我们相信，我们工作得越努力，未来就会越好。 hard原级；harder比较级；hardest最高级。根据“the…we work, the better future we will have”可知，此处表示“越……越……”，用“the+比较级，the+比较级”结构。故选B。 五、短文填空 阅读短文，在空白处填入一个适当的单词或括号内单词的正确形式。 Mr Chen knows Sunshine Town very well 1 he has lived here since he was born. When he got 2 (marry), he and his wife moved two 3 (block) away from his parents. In the past, 4 (pollute) was a problem in the town. A steel factory often put the waste into the river. Later the government 5 (realize) the problem and took action 6 (improve) the situation. Now the river is much 7 (clean). Most of Mr Chen’s old friends have moved to other areas. It has become 8 (possible) for them to see each other as often as before. They used to 9 (play) cards and chess together. Now, Mr Chen feels a bit lonely from time to time, 10 he is happy to see the amazing changes in the town. 【答案】 1．because 2．married 3．blocks 4．pollution 5．realized 6．to improve 7．cleaner 8．impossible 9．play 10．but 【导语】本文主要讲述了陈先生的家乡阳光小镇发生的变化及陈先生对这些变化的态度。 1．句意：陈先生非常熟悉阳光小镇，因为他从出生起就住在这里。根据“Mr Chen knows Sunshine Town very well...he has lived here since he was born.”可知，前后是因果关系，后面表示原因，用because连接。故填because。 2．句意：结婚后，他和妻子搬到了离父母两个街区远的地方。get married“结婚”，固定搭配。故填married。 3．句意：结婚后，他和妻子搬到了离父母两个街区远的地方。block“街区”，two修饰用可数名词复数形式。故填blocks。 4．句意：过去，污染是这个城镇的一个问题。pollute“污染”，动词，空处作主语，用名词形式pollution。故填pollution。 5．句意：后来，政府意识到了这个问题，并采取行动改善了局面。realize“意识”，根据took可知，时态为一般过去时，谓语动词用过去式realized。故填realized。 6．句意：后来，政府意识到了这个问题，并采取行动改善了局面。improve“改善”，take action to do sth“采取行动做某事”，空处用不定式结构。故填to improve。 7．句意：现在这条河干净多了。clean“干净的”，much修饰用比较级形式。故填cleaner。 8．句意：他们不可能像以前那样经常见面了。根据“Most of Mr Chen’s old friends have moved to other areas.”可知，是不可能经常见面了，用possible的否定形式impossible“不可能的”。故填impossible。 9．句意：他们过去常常一起打牌和下棋。used to do sth“过去常常做某事”，空处用动词原形play“玩”。故填play。 10．句意：现在，陈先生偶尔会感到有点孤独，但他很高兴看到这个城镇发生了惊人的变化。根据“Mr Chen feels a bit lonely from time to time,...he is happy to see the amazing changes in the town.”可知，前后是转折关系，用but连接。故填but。 2 / 13 1 / 13 学科网（北京）股份有限公司 $ Unit 4 Then and now 让步状语从句（单元核心语法精练） 引导词 核心含义 用法要点 典型例句 though 虽然；尽管 可置于句首 / 句中，不与 but 连用 Though he is young, he works hard. (虽年轻，但工作努力) although 虽然；尽管 语气比 though 稍强，多置于句首，不与 but 连用 Although it rained, we still went out. (虽下雨，我们仍外出) even though 即使；尽管 表强调 “退一步假设”，语气强于 though Even though he was tired, he finished his homework. (即使累，他仍完成作业) even if 即使；纵然 常表 “假设性让步”（未必真实发生） Even if it snows tomorrow, we will go to school. (即使明天下雪，我们也要上学) no matter + 疑问词（what/when/where/how/who） 无论……（什么 / 何时 / 何地 / 怎样 / 谁） 引导 “无条件让步”，疑问词不可省略 No matter how difficult it is, I will try. (无论多困难，我都会尝试) 疑问词 + ever（whatever/whenever/wherever/however/whoever） 无论……（什么 / 何时 / 何地 / 怎样 / 谁） 用法同 “no matter + 疑问词”，可引导主语 / 宾语从句 Whatever you say, I won’t change my mind. (无论你说什么，我都不改变主意) 一、单项选择 1．________ Hansel and Gretel dropped pieces of bread along the way, ________ they still got lost in the forest. A．Although; but B．Although; / C．Because; so D．Because; / 2．The Greens often help the poor ________ they are not rich. A．ever since B．even though C．if D．until 3．—Mrs. Smith is really a nice woman. —Yes. And she never wastes anything ________ she is very rich. A．as soon as B．as long as C．as far as D．even though 4．—Why do students in No.1 Middle School never give up ________ they are in the face of difficulties? —Because they believe that nothing is impossible if they put their heart into it. A．as soon as B．as long as C．so that D．even though 5．________ our parents want us to be successful by working hard, ________ it is even more important to lower students’ stress. A．Although; but B．Although; / C．Because; so D．Unless; / 6．Robot carers are more useful in our daily life ________ it has some disadvantages. A．unless B．if C．because D．although 7．________ the hotel was quite far from the city center, it was comfortable and had excellent service. A．Because B．Although C．If D．Until 8．Parents’ love is like the wind. ______ you can see it or not, it is always around you. A．Whether B．If C．Though D．And 9．I think you have to be patient enough no matter ________ difficulties you meet. A．what B．when C．why D．how 10．—What do you like to do when it rains? —________ it rains, I enjoy watching movies at home. A．Whenever B．Whatever C．Wherever D．However 11．Smiles are the best language. ________ you meet, you should smile at them. A．However B．Whenever C．Whoever D．Wherever 12．No matter ________ you may fly, never forget where you come from. A．how long B．how far C．how much D．how often 13．The little boy succeeded in reaching the camp, ________ he fell over several times all the way. A．until B．but C．even though D．so that 14．Even though he fails this time, he won’t give up his dream of becoming a professional singer. A．Only if B．Even if C．As a result D．Not only 15．________ he is over 70 years old, ________ he keeps running every day. A．Although; but B．But; / C．Although; / D．/; although 16．________ he is young, ________ he can look after himself. A．Although; but B．Although; / C．Because; so D．Because; and 17．________ AI is smart, it can’t take humans’ place. A．Until B．If C．Although D．Because 18．________ spring is coming, the weather in Kunming is still cold. A．But B．So C．Until D．Although 19．—Mike always copies my homework, what should I do? —________ he’s your best friend, you should tell him that copying is wrong. A．While B．Although C．Since D．If 20．________ we have enough money, we won’t buy any useless things. A．Since B．Until C．Although D．Unless 二、单词拼写 1．Although his parents didn't want him to work abroad, Li Yang （stick）to his own decision. 2． (where) you work, you must serve the people whole-heartedly. 3．—My grandpa learns English for two hours every day, (although/since) he is over 70. —Really? We should learn from him. 4． (no matter) what the weather is like, she walks ten miles every day. 5． （who）wants to enter the room must answer a question first. 6．I’m upset because I still can’t get the computer started, though I (try) every possible way. 7． (what) you may say, I will not trust you any more. 8．Although you may be (happy) with your parents, you should talk to them. 9．You can ask your teachers or parents for help (when) you have trouble. 10．Though it (rain) outside, they are still on the playground. 三、完成句子 1．You should keep on following your heart no matter what difficulties you may meet.（改为同义句） You should keep on following your heart you may meet. 2．—Will they have the party today? —I’m afraid not. Maybe half the class won’t come. (句型转化) = they have the party today, half the class won’t come. 3．They are poor but they are happy. (同义句转换) they are poor, they are happy. 4．Whenever you come back, I shall go to meet you at the station. (改为同义句) you come back, I shall go to meet you at the station. 5．虽然她擅长画画，但有时会犯错误。 she is good drawing, she sometimes . 6．Living conditions were unpleasant in the past. Many people moved to cities.（用 although 合并） 7．he, was, ran, Danny, as fast as possible, very tired, though (连词成句) . 8．very; he; although; is; 65; over; is; fit; he; enjoys; and; working; still; (,); (.) . 9．it, poses, various, risks, convenience, artificial intelligence, great, in, privacy, though, fields, certain, to, offers  (连词成句) . 10．所有人都喜欢我的狗Coffee，尽管它经常把家里弄得一团糟。 Everyone loves my dog Coffee, he often makes a mess at home. 四、语法选择 从A、B、C、D四个选项中选出可以填入空白处的最佳答案，并把答题卡上对应题目的答案标号涂黑。 Can you still remember 1 picture on the left? You can see two little girls 2 a river with the help of nothing but a ropeway. They are sisters, Yu Chunhua and Yu Caimei. Because they were not heavy enough, sometimes, they couldn’t get to 3 side of the river and hung in the middle like leaves waving in the air.17 years later, 4 is their life like now? In 2014, the elder sister Yu Chunhua 5 into a medical college. After finishing it, she returned to her hometown and now works as a nurse in a hospital in the village. “Great changes happened to our village. I couldn’t find the way around when I got back after several 6 school life,” said Yu Chunhua. Thanks to the targeted poverty alleviation (精准扶贫), Yu Caimei, the younger sister, now works as a farmer in the village and makes much money. She is so proud that she can depend on 7 now. How about the ropeways in the village? On Dec. 30, 2018, a suspension bridge (索桥) 8 the Nujiang River was completed. As a result, the ropeways become part of a leisure (休闲) activity and only a few are still there for tourists 9 in the area. “People of the future generations don’t need ropeways. This makes us expect a lot about the future,” said the two sisters. “We believe the 10 we work, the better future we will have.” 1．A．a B．an C．the 2．A．crossing B．cross C．to cross 3．A．the other B．another C．others 4．A．how B．what C．where 5．A．got B．gets C．is getting 6．A．year B．years C．years’ 7．A．her B．she C．herself 8．A．over B．in C．on 9．A．experience B．to experience C．experienced 10．A．hard B．harder C．hardest 五、短文填空 阅读短文，在空白处填入一个适当的单词或括号内单词的正确形式。 Mr Chen knows Sunshine Town very well 1 he has lived here since he was born. When he got 2 (marry), he and his wife moved two 3 (block) away from his parents. In the past, 4 (pollute) was a problem in the town. A steel factory often put the waste into the river. Later the government 5 (realize) the problem and took action 6 (improve) the situation. Now the river is much 7 (clean). Most of Mr Chen’s old friends have moved to other areas. It has become 8 (possible) for them to see each other as often as before. They used to 9 (play) cards and chess together. Now, Mr Chen feels a bit lonely from time to time, 10 he is happy to see the amazing changes in the town. 2 / 13 1 / 13 学科网（北京）股份有限公司 $