Unit 7 The secret of memory 重点语法：条件状语从句进阶练55题-2025-2026学年八年级英语上册重难点讲练全攻略（沪教版2024）

2025-2026学年一线教师制作新教材英语同步精品系列资料，名师遴选！ 2025-2026学年一线教师制作新教材英语同步精品系列资料，名师遴选！ 学校:___________姓名：___________班级：___________考号：___________ Unit 7 The secret of memory 重点语法：条件状语从句进阶练55题 说明：此专题分四种题型，大家根据实际情况选择进行专项训练！ 一、单项选择 1．________ you study hard, you will pass the exam. A．If B．Unless C．Because D．So 【答案】A 【详解】句意：如果你努力学习，你就会通过考试。 考查连词辨析。 If如果；Unless除非；Because因为；So所以。根据“you study hard, you will pass the exam”的逻辑关系，可推知“努力学习”是“通过考试”的条件，用If引导条件状语从句。故选A。 2．—Happiness is about having each tiny wish come true. —________ we work hard, we’ll make our life full of happiness. A．If B．Unless C．Though D．As 【答案】A 【详解】句意：——幸福是每个微小愿望都成真。——如果我们努力工作，我们将会使我们的生活充满幸福。   考查连词辨析。If如果；Unless除非；Though尽管；As因为。根据“we work hard, we’ll make our life full of happiness”可知，题空处表示条件，即“如果”，if符合题意。故选A。 3．If you go to bed late, you ________ tired tomorrow. A．will feel B．felt C．feel D．have felt 【答案】A 【详解】句意：如果你睡觉很晚，你明天将会感到疲惫。 考查时态辨析。will feel一般将来时；felt过去式；feel动词原形；have felt现在完成时。根据“If you go to bed late. you...tired tomorrow.”可知，该句为if引导的条件状语从句，遵循“主将从现”原则，从句为一般现在时，主句应为一般将来时。故选A。 4．—What will happen ________ AI robots take the place of humans? —Don’t worry. AI will never replace humans for their creativity and emotional intelligence. A．because B．so C．if D．but 【答案】C 【详解】句意：——如果人工智能机器人取代了人类，将会发生什么? ——别担心。由于人类的创造力和情商，人工智能永远不会取代人类。 考查连词辨析。because因为；so所以；if如果；but但是。根据答句“Don’t worry. AI will never replace humans for their creativity and emotional intelligence.”可知，此处提问如果人工智能机器人取代了人类，将会发生什么。故选C。 5．John ________ in the talent show if he practices singing really hard. A．win B．was winning C．won D．will win 【答案】D 【详解】句意：如果约翰非常努力地练习唱歌，他将会在才艺表演中获胜。 考查动词时态辨析。在if引导的条件状语从句中，遵循“主将从现”原则，即从句用一般现在时，主句用一般将来时。从句if he practices singing really hard是一般现在时，主句用一般将来时。故选D。 6．If I could help people every day, I ________ a doctor in the future. A．would be happy to B．would be happy C．would be happy to be D．am happy to be 【答案】C 【详解】句意：如果我能每天帮助别人，我将来会很高兴成为一名医生。 考查条件状语从句和固定搭配。be happy to do sth“很高兴做某事”，为固定搭配；根据“If I could help people every day”可知，句子是if引导的条件状语从句，从句含有情态动词could的一般过去时，主句应用过去将来时。故选C。 7．________ we plant more trees, our earth will be cleaner and greener. A．So B．If C．Because D．Before 【答案】B 【详解】句意：如果我们种更多的树，我们的地球会更清洁、更绿。 考查连词辨析及用法。So所以；If如果；Because因为；Before在……之前。 根据“...we plant more trees, our earth will be cleaner and greener.”可知，种树是条件，地球更清洁是结果，故需If引导条件状语从句。故选B。 8．I can come at once ________ you need my help. A．so B．but C．until D．if 【答案】D 【详解】句意：如果你需要我的帮助，我可以马上来。 考查连词辨析。so所以；but但是；until直到……为止；if如果。根据前后句句意可知句子表达了一种条件关系。主句“I can come at once”表示一种可能性或意愿，从句“you need my help”是这种行动的条件。因此，使用连词“if”来引导条件状语从句。故选D。 9．You will feel better ________ you take a deep breath before giving a speech. A．or B．if C．whether D．and 【答案】B 【详解】句意：如果你在演讲前深呼吸，你会感觉好一些。 考查连词。or否则；if如果；whether是否；and和。根据“You will feel better...you take a deep breath before giving a speech.”可知，如果在演讲前深呼吸会感觉好一些，用if引导条件状语从句。故选B。 10．Fu Xing will go to the science museum with us ________ she is free tomorrow. A．before B．after C．if D．although 【答案】C 【详解】句意：如果傅兴明天有空，她将和我们一起去科学博物馆。 考查连词辨析。before在……之前；after在……之后；if如果；although虽然。后句是前句的肯定条件，用if引导条件状语从句。故选C。 11．Tom can’t go out to play with his friends on weekends ________ he finishes all his homework first. A．if B．because C．unless D．when 【答案】C 【详解】句意：汤姆不能在周末和朋友出去玩，除非他先完成所有作业。 考查连词辨析。if如果；because因为；unless除非；when当……时。“he finishes all his homework first.”是“Tom can’t go out to play with his friends on weekends”的否定条件，应用unless引导条件状语从句，故选C。 12．We can’t judge if the information from AI is right ________ we have a clear mind. A．after B．because C．unless D．since 【答案】C 【详解】句意：我们无法判断人工智能提供的信息是否正确，除非我们有一个清醒的头脑。 考查连词辨析。after在……之后；because因为；unless除非；since自从或因为。根据“We can’t judge if the information from AI is right”可知只有具备清醒的头脑才能判断信息是否正确，因此需要表示条件的连词unless引导条件状语从句，故选C。 13．—Does your father have a hobby? —No, ________ you call going fishing a hobby. A．unless B．because C．although D．if 【答案】A 【详解】句意：——你的父亲有爱好吗？——没有，除非你把钓鱼叫做爱好。 考查连词辨析。unless除非；because因为；although虽然；if如果。根据“you call going fishing a hobby”可知，除非把钓鱼当成一个爱好，否则他就没有爱好。故选A。 14．________ we take immediate action, global warming will get more serious. A．Unless B．As C．If D．When 【答案】A 【详解】句意：除非我们立即采取行动，否则全球变暖将变得更加严重。 考查从属连词辨析。Unless除非，如果不；As因为；If如果；When当……时候。根据“…we take immediate action, global warming will get more serious.”可知，如果不行动，全球变暖会更严重，前一句是后一句的否定条件，用unless引导条件状语从句。故选A。 15．You can’t pass the exam ________ you listen to the teachers carefully in class. A．unless B．whether C．if D．until 【答案】A 【详解】句意：除非你在课堂上仔细听老师讲课，否则你不会通过考试。 考查连词辨析。unless除非，如果不；whether是否；if如果；until直到。根据“you listen to the teachers carefully in class.”可知，这里表示“如果不……就不会通过考试”，因此用unless引导条件状语从句。故选A。 16．—Keep working hard, Paul. You will surely realize your dream of being a writer ________ you give it up halfway. —Thanks for your support, Miss Wang. A．if B．since C．unless D．though 【答案】C 【详解】句意：——继续努力，保罗。如果你半途不放弃，你就一定能实现成为作家的梦想。——谢谢你的支持，王老师。 考查连词辨析。if如果；since自从/既然；unless除非/如果不；though尽管。根据“you will surely realize your dream…you give it up halfway（实现梦想的条件是不放弃）”可知，所以空后“you give it up halfway”是空前“You will surely realize your dream of being a writer”的否定条件，用unless引导条件状语从句。故选C。 17．The temperature is rising. Food will go bad quickly ________ we put it into a fridge. A．unless B．before C．since D．until 【答案】A 【详解】句意：温度在上升。除非我们把食物放进冰箱里，否则食物会很快变坏。 考查连词辨析。unless除非，如果不；before在……之前；since自从，既然；until直到……时候。根据句意可知，这里表示“如果不把食物放进冰箱，它就会很快变坏”，应用unless引导条件状语从句。故选A。 18．The man will go to Changbai Mountain with his family on Saturday ________ he is too busy. A．if B．unless C．while D．when 【答案】B 【详解】句意：除非太忙，这个男人星期六将和他的家人去长白山。 考查连词。if如果；unless除非、如果不；while与……同时、然而；when在……时。根据“The man will go to Changbai Mountain with his family on Saturday ... he is too busy.”可知，如果不是太忙，他就和家人去长白山。故选B。 19．—Happiness is to make each tiny wish come true through hard work. —I think so. ________ we work hard, happiness can’t come itself. A．Because B．If C．Unless D．After 【答案】C 【详解】句意：——幸福是通过努力工作实现每一个微小的愿望。——我认为是这样的。除非我们努力工作，否则幸福不会自己到来。 考查连词辨析。Because因为；If如果；Unless除非；After在……之后。根据“... we work hard, happiness can’t come itself.”可知，前后句是条件关系，表示“除非我们努力工作，否则幸福不会自己到来”。故选C。 20．—Would you like to go for a walk with me, dear? —I’d love to, ________ it rains. A．unless B．so C．because D．until 【答案】A 【详解】句意：——亲爱的，你愿意和我一起去散步吗？——我愿意，除非下雨。 考查连词辨析。unless除非；so因此；because因为；until直到……才。根据前句“I’d love to,”可知，应是除非下雨，故空处应用unless引导条件状语从句。故选A。 二、单词拼写 21．Unless you (put) your heart into the book, you (not understand) it. 【答案】 put won’t understand 【详解】句意：除非你用心读书，否则你不会理解它。根据“Unless you...your heart into the book”可知此处是“unless”引导的条件状语从句，主句用一般将来时（will not understand），从句需用一般现在时表示将来。因此第一空用一般现在时，第二个空用一般将来时。故填put；won’t understand。 22．You will not achieve your goal unless you hard without stop. (work) 【答案】work 【详解】句意：除非你不停地努力工作，否则你不会达到你的目标。work“工作”，是动词；unless“除非”，引导条件状语从句，其后的从句需用一般现在时，主语是you，所以谓语用动词原形。故填work。 23．He cannot turn himself into a man u he can hide his tail. 【答案】(u)nless 【详解】句意：他不能把自己变成一个人，除非他能藏起他的尾巴。根据“He cannot turn himself into a man ...he can hide his tail.”及首字母可知，除非把尾巴藏起来，否则不能变成人，unless“除非”，引导条件状语从句。故填(u)nless。 24．You will never truly understand your parents’ great love (除非) you grow up. 【答案】unless 【详解】句意：除非你长大了，否则你永远不会真正理解父母伟大的爱。unless“除非”，引导条件状语从句，故填unless。 25．He says he (not come) to her birthday party next week unless he (invite). 【答案】 won’t come is invited 【详解】句意：他说他下周不会来参加她的生日派对，除非他被邀请。根据“next week”可知此处描述的是将来的事情，且“he”和“invite”之间是被动关系，第一空用一般将来时的否定形式“won’t come”，第二空用一般现在时的被动语态“is invited”表示将来的被动。故填won’t come；is invited。 26．The sick lady will die in a few days she is operated on immediately. 【答案】unless 【详解】句意：这位生病的女士如果不立即动手术，几天后就会死去。分析句子可知，“she is operated on immediately.”是“The sick lady will die in a few days”的否定条件，用unless“除非，如果不”引导条件状语从句。故填unless。 27．Everyone will come if we h a birthday party for him. 【答案】(h)old 【详解】句意：如果我们为他举办生日聚会，所有人都会来。结合首字母提示及“…a birthday party for him”可知，此处应指为他“举办”一场生日聚会，动词hold“举办”符合，且该句为含有if的条件状语从句，应遵循“主将从现”原则，从句时态应为一般现在时，且从句主语为we，应用其动词原形作从句中的谓语。故填(h)old。 28．If you (knock) over someone’s books, you should say “sorry” politely. 【答案】knock 【详解】句意：如果你撞翻了别人的书，你应该礼貌地说“对不起”。if引导的条件状语从句遵循“主情从现”原则，即主句含有情态动词时，从句用一般现在时。主语“you”是第二人称，动词用原形knock。故填knock。 29．If people litter less, the city (become) cleaner in the future. 【答案】will become 【详解】句意：如果人们少扔垃圾，未来城市将会变得更干净。根据“If people litter less”以及“in the future”可知，句子描述的是将来发生的动作，在含有if引导的条件状语从句的复合句中，遵循“主将从现”原则，即主句用一般将来时，从句用一般现在时表将来。一般将来时的构成是“will + 动词原形”，故填will become。 30．The chocolate bar (melt) if you leave it in your pocket. 【答案】will melt 【详解】句意：如果把巧克力放在口袋里，它就会融化。根据“if you leave it in your pocket”可知，if引导的条件状语从句，从句用一般现在时，主句用一般将来时，从句“leave”为一般现在时，故主句需用将来时，结构为will+动词原形。“melt”意为“融化”，其将来时形式为“will melt”，符合语境（描述未来可能发生的结果）。故填will melt。 31．If you s tightness in your body, try moving your arms and legs. 【答案】(s)ense 【详解】句意：如果你察觉到身体紧绷，试试活动你的胳膊和腿。根据“tightness in your body”及首字母提示可知，空处意为“察觉”，sense“察觉，感觉到”符合语境，根据“If”可知，此处是条件状语从句，用一般现在时，主语you是第二人称，动词用原形。故填(s)ense。 32．If she comes, she (bring) her violin. 【答案】will bring 【详解】句意：如果她来，她会带上她的小提琴。本句是含有条件状语从句的复合句，遵循“主将从现”原则，即从句用一般现在时，主句用一般将来时；一般将来时结构为“will+动词原形”，bring是动词原形。故填will bring。 33．If you (hate) the rain, you have something in common with wolf spiders. 【答案】hate 【详解】句意：如果你讨厌下雨，那么你和狼蛛有共同之处。根据“you have something in common with wolf spiders.”可知，此句应用一般现在时，主语是you，动词用原形。故填hate。 34．If everyone (保护) the environment, our planet will become a better place to live on. 【答案】protects 【详解】句意：如果每个人都保护环境，我们的星球将成为一个更好的居住地。根据汉语提示可知，protect“保护”，且if引导的条件状语从句，时态遵循“主将从现”原则，故此处从句用一般现在时，且主语是不定代词everyone，谓语用第三人称单数形式。故填protects。 35．You (learn) a lot if you travel around the world. 【答案】will learn 【详解】句意：如果你环游世界，你会学到很多东西。该句是if引导的条件状语从句，从句使用一般现在时，主句表示在条件满足时可能发生的结果，因此需要用一般将来时“will+动词原形”来表达。故填will learn。 三、完成句子 36．如果你坚持你的学习计划，你肯定会取得进步。 If you your study plan, you will surely make progress. 【答案】 stick to 【详解】根据中英文对照可知，此处缺少“坚持”。stick to“坚持”，动词短语。根据“If”可知，if引导的条件状语从句，遵循主将从现原则，因此用动词原形。故填stick；to。 37．学习上，不进则退。 You in study. 【答案】will fall behind if you don’t move forward 【详解】if引导条件状语从句时，遵循“主将从现”原则，即从句用一般现在时，主句用一般将来时。fall behind“落后，退步”；move forward“前进”。从句是否定句，主语是you，助动词用don’t。故填will fall behind if you don’t move forward。 38．They will go for a picnic unless it rains tomorrow. (保持句意基本不变) They will go for a picnic it tomorrow. 【答案】 if doesn’t rain 【详解】句意：如果明天不下雨，他们就去野餐。原句中的“unless it rains”表示“除非下雨”，即“如果不下雨”，因此可以替换为“if it doesn’t rain”。故填if；doesn’t；rain。 39．学习犹如逆水行舟，不进则退。 Studying is like rowing a boat against moving water; . 【答案】if you don’t move forward, you will fall behind 【详解】根据中英文对照可知，此处缺少“不进则退”。if you don’t move forward, you will fall behind“不进则退”。故填if you don’t move forward, you will fall behind。 40．Run fast, or you’ll be late for school. （改为同义句） you fast, you’ll be late for school. 【答案】 If don’t run 【详解】句意：快点跑，否则你上学就要迟到了。or表示“否则”，可以用if…not来替换，if“如果”引导条件状语从句，遵循“主将从现”，从句主语是you，run是实义动词，否定借助于助动词don’t，故填If；don’t；run。 41．除非他藏起尾巴，否则他不能把自己变成一个人。 he can hide his , he can’t turn a person. 【答案】 Unless tail himself into 【详解】对照中英文可知，缺少“除非”、“尾巴”、“自己”和“把……”。“除非”用连词unless，位于句首，首字母大写；“尾巴”用tail，可数名词，指他的尾巴，用单数名词；“把……变成”用turn sb/sth into；“自己”指“他自己”用反身代词himself。故填Unless；tail；himself；into。 42．Students will get tired if you don’t give them a break. (改为同义句) Students will get tired you them a break. 【答案】 unless give 【详解】句意：如果你不给学生们休息，他们会感到疲倦。原句使用if引导条件状语从句，否定形式可以用unless表示“除非”，即“unless you give them a break”表示“除非你给他们休息”。主语是you，从句时态为一般现在时，动词give保持原形。故填unless；give。 43．If you don’t hurry up, we will miss the train. (同义句) We miss the train you hurry up. 【答案】 will unless 【详解】句意：如果你不快点，我们就会错过火车。原句是一个条件状语从句，表示“如果不快点儿，就会错过火车”。要将其改写为同义句，且保持句意不变，可以使用unless来引导条件状语从句，表示“除非”。因此，第一空应填will；第二空应填unless。故填will；unless。 44．Don’t turn without using hand signals. (改为同义句) Don’t turn you use hand signals. 【答案】unless 【详解】句意：不打手势信号就不要转弯。同义句可表述为“除非你使用手势信号，否则不要转弯”，unless“除非”符合语境。故填unless。 45．If the company does not invest in new technology, it will fall behind its competitors in the global market. (保持原句意思不变) the company in new technology, it will fall behind its competitors in the global market. 【答案】 Unless invests 【详解】句意：如果该公司不投资新技术，它将在全球市场上落后于竞争对手。原句中含有if...not，表示“如果不……”，改为同义句，可用unless“除非”引导条件状语从句，主句用一般将来时，从句用一般现在时，the company作主语，谓语动词用三单形式invests。故填Unless；invests。 四、选词填空 阅读短文，从方框中选择适当的单词或短语，在答题卡上写出空缺处单词的正确形式。每个单词或短语仅用一次。 work well,   day,   quick,   exercise,   in a word Memory is very important. It helps you remember who you are, where you live, and what you plan to do in the future. It is important 46 your brain. For example, you can do new things and change your 47 habits. You can try to learn new skills or study a foreign language. Your brain will get lots of regular exercise if you do any of these things. If you live a healthy life, your memory will 48 . You must have a balanced diet. You must give your brain enough time to rest. Unless you get enough sleep every night, you will not remember things well. If you want your brain to work 49 , you need to relax, too. If you are too worried, your brain will slow down. 50 , improving your memory is not simple. You should stay relaxed, exercise your brain and live a good life. 【答案】46．to exercise 47．daily 48．work well 49．quickly 50．In a word 【导语】本文主要讲述了记忆的重要性，以及如何通过健康的生活方式和锻炼大脑来提高记忆力。 46．句意：锻炼大脑很重要。根据“It is important...your brain.”可知，此处应用“It is+形容词+to do sth.”句型表示“做某事是……的”；结合备选词汇可知，动词exercise“锻炼”符合语境，空处应填to exercise。故填to exercise。 47．句意：比如可以做新的事情，改变日常习惯。根据备选词汇和“change your...habits”可知，此处表示改变日常习惯。空处应填day的形容词形式daily“日常的”，作定语修饰名词habits。故填daily。 48．句意：如果你生活健康，你的记忆力会很好。根据备选词汇和“If you live a healthy life”可推知，此处表示如果你生活健康，你的记忆力会很好。动词短语work well“做得好，运转良好”符合语境，will后接动词原形。故填work well。 49．句意：如果你想让你的大脑快速工作，你也需要放松。根据备选词汇和“If you are too worried, your brain will slow down.”可推知，如果你想让你的大脑快速工作，你需要放松。空处应填quick的副词形式quickly“快速地”，用于修饰动词work。故填quickly。 50．句意：总之，提高你的记忆力并不简单。根据“improving your memory is not simple”可知，此处是总结性话语。介词短语in a word“总之”符合语境，句首首字母大写。故填In a word。 请认真阅读下面短文，从方框中选择适当的单词或短语，在答题卡标有题号的横线上，填入其正确形式。每个单词或短语仅用一次。 work well,    day,     quiet,  exercise,   in a word Memory (记忆) is very important. It helps you remember who you are, where you live, and what you plan to do in the future. It is important 51 your brain. For example, you can do new things and change your 52 habits. You can try to learn new skills or study a foreign language. Your brain will get lots of regular exercise if you do any of these things. If you live a healthy life, your memory will 53 . You must have a balanced diet. You must give your brain enough time to rest. Unless you get enough sleep every night, you will not remember things well. If you want your brain to work 54 , you need to relax, too. If you are too worried, your brain will slow down. 55 , improving your memory is not simple. You should stay relaxed, exercise your brain and live a good life. 【答案】51．to exercise 52．daily 53．work well 54．quietly 55．In a word 【导语】本文是一篇说明文。文章主要讲了记忆力的重要性以及改善你的记忆力的三个方面。 51．句意：锻炼你的大脑是重要的。It is+形容词+to do sth.“做某事是怎么样的”，备选词exercise“锻炼”符合句意，此处需用动词不定式作主语。故填to exercise。 52．句意：例如，你可以做新的事情改变你的日常习惯。空后的habits是名词，前面应该用形容词修饰，备选词day名词“天，日子”，其形容词形式为daily。故填daily。 53．句意：如果你过着健康的生活，你的记忆力会好一点。根据“If you live a healthy life, your memory will ....”可知，will后跟动词原形，备选词work well“工作好”符合句意，故选work well。 54．句意：如果你想让你的大脑安静地工作，你也需要放松。此处修饰动词work，用副词形式，备选词quiet形容词“安静的”，其副词是quietly。故填quietly。 55．句意：总而言之，提高记忆力不是简单的，你应该保持放松。锻炼你的大脑，过健康的生活。分析句子结构可知，此处是对上文的总结，备选词in a word“总而言之”符合句意，位于句首，首字母大写。故填In a word。 6 同步新教材，周周有练习，月月有重点！ 11 同步新教材，周周有练习，月月有重点！ 学科网（北京）股份有限公司 $ 2025-2026学年一线教师制作新教材英语同步精品系列资料，名师遴选！ 2025-2026学年一线教师制作新教材英语同步精品系列资料，名师遴选！ 学校:___________姓名：___________班级：___________考号：___________ Unit 7 The secret of memory 重点语法：条件状语从句进阶练55题 说明：此专题分四种题型，大家根据实际情况选择进行专项训练！ 一、单项选择 1．________ you study hard, you will pass the exam. A．If B．Unless C．Because D．So 2．—Happiness is about having each tiny wish come true. —________ we work hard, we’ll make our life full of happiness. A．If B．Unless C．Though D．As 3．If you go to bed late, you ________ tired tomorrow. A．will feel B．felt C．feel D．have felt 4．—What will happen ________ AI robots take the place of humans? —Don’t worry. AI will never replace humans for their creativity and emotional intelligence. A．because B．so C．if D．but 5．John ________ in the talent show if he practices singing really hard. A．win B．was winning C．won D．will win 6．If I could help people every day, I ________ a doctor in the future. A．would be happy to B．would be happy C．would be happy to be D．am happy to be 7．________ we plant more trees, our earth will be cleaner and greener. A．So B．If C．Because D．Before 8．I can come at once ________ you need my help. A．so B．but C．until D．if 9．You will feel better ________ you take a deep breath before giving a speech. A．or B．if C．whether D．and 10．Fu Xing will go to the science museum with us ________ she is free tomorrow. A．before B．after C．if D．although 11．Tom can’t go out to play with his friends on weekends ________ he finishes all his homework first. A．if B．because C．unless D．when 12．We can’t judge if the information from AI is right ________ we have a clear mind. A．after B．because C．unless D．since 13．—Does your father have a hobby? —No, ________ you call going fishing a hobby. A．unless B．because C．although D．if 14．________ we take immediate action, global warming will get more serious. A．Unless B．As C．If D．When 15．You can’t pass the exam ________ you listen to the teachers carefully in class. A．unless B．whether C．if D．until 16．—Keep working hard, Paul. You will surely realize your dream of being a writer ________ you give it up halfway. —Thanks for your support, Miss Wang. A．if B．since C．unless D．though 17．The temperature is rising. Food will go bad quickly ________ we put it into a fridge. A．unless B．before C．since D．until 18．The man will go to Changbai Mountain with his family on Saturday ________ he is too busy. A．if B．unless C．while D．when 19．—Happiness is to make each tiny wish come true through hard work. —I think so. ________ we work hard, happiness can’t come itself. A．Because B．If C．Unless D．After 20．—Would you like to go for a walk with me, dear? —I’d love to, ________ it rains. A．unless B．so C．because D．until 二、单词拼写 21．Unless you (put) your heart into the book, you (not understand) it. 22．You will not achieve your goal unless you hard without stop. (work) 23．He cannot turn himself into a man u he can hide his tail. 24．You will never truly understand your parents’ great love (除非) you grow up. 25．He says he (not come) to her birthday party next week unless he (invite). 26．The sick lady will die in a few days she is operated on immediately. 27．Everyone will come if we h a birthday party for him. 28．If you (knock) over someone’s books, you should say “sorry” politely. 29．If people litter less, the city (become) cleaner in the future. 30．The chocolate bar (melt) if you leave it in your pocket. 31．If you s tightness in your body, try moving your arms and legs. 32．If she comes, she (bring) her violin. 33．If you (hate) the rain, you have something in common with wolf spiders. 34．If everyone (保护) the environment, our planet will become a better place to live on. 35．You (learn) a lot if you travel around the world. 三、完成句子 36．如果你坚持你的学习计划，你肯定会取得进步。 If you your study plan, you will surely make progress. 37．学习上，不进则退。 You in study. 38．They will go for a picnic unless it rains tomorrow. (保持句意基本不变) They will go for a picnic it tomorrow. 39．学习犹如逆水行舟，不进则退。 Studying is like rowing a boat against moving water; . 40．Run fast, or you’ll be late for school. （改为同义句） you fast, you’ll be late for school. 41．除非他藏起尾巴，否则他不能把自己变成一个人。 he can hide his , he can’t turn a person. 42．Students will get tired if you don’t give them a break. (改为同义句) Students will get tired you them a break. 43．If you don’t hurry up, we will miss the train. (同义句) We miss the train you hurry up. 44．Don’t turn without using hand signals. (改为同义句) Don’t turn you use hand signals. 45．If the company does not invest in new technology, it will fall behind its competitors in the global market. (保持原句意思不变) the company in new technology, it will fall behind its competitors in the global market. 四、选词填空 阅读短文，从方框中选择适当的单词或短语，在答题卡上写出空缺处单词的正确形式。每个单词或短语仅用一次。 work well,   day,   quick,   exercise,   in a word Memory is very important. It helps you remember who you are, where you live, and what you plan to do in the future. It is important 46 your brain. For example, you can do new things and change your 47 habits. You can try to learn new skills or study a foreign language. Your brain will get lots of regular exercise if you do any of these things. If you live a healthy life, your memory will 48 . You must have a balanced diet. You must give your brain enough time to rest. Unless you get enough sleep every night, you will not remember things well. If you want your brain to work 49 , you need to relax, too. If you are too worried, your brain will slow down. 50 , improving your memory is not simple. You should stay relaxed, exercise your brain and live a good life. 请认真阅读下面短文，从方框中选择适当的单词或短语，在答题卡标有题号的横线上，填入其正确形式。每个单词或短语仅用一次。 work well,    day,     quiet,  exercise,   in a word Memory (记忆) is very important. It helps you remember who you are, where you live, and what you plan to do in the future. It is important 51 your brain. For example, you can do new things and change your 52 habits. You can try to learn new skills or study a foreign language. Your brain will get lots of regular exercise if you do any of these things. If you live a healthy life, your memory will 53 . You must have a balanced diet. You must give your brain enough time to rest. Unless you get enough sleep every night, you will not remember things well. If you want your brain to work 54 , you need to relax, too. If you are too worried, your brain will slow down. 55 , improving your memory is not simple. You should stay relaxed, exercise your brain and live a good life. 4 同步新教材，周周有练习，月月有重点！ 5 同步新教材，周周有练习，月月有重点！ 学科网（北京）股份有限公司 $