Module 5 Look after yourself 重点知识点 提升训练 -外研版九年级英语下册（含解析）

这是一份Module 5 Look after yourself 重点知识点 提升训练 -外研版九年级英语下册（含解析），共16页。
Module 5 Look after yourselfUnit 1 We’d better get you to hospital. 1. seriously = badly 严重地 The person is seriously hurt. 这个人受伤很严重。2. sth. happened to sb. 某人发生某事 sb. happen to do sth. 某人碰巧做了某事 happen 指偶然发生,无被动语态 take place 指事先安排或按计划发生,无被动语态3. catch up 赶上 catch up with sb. 赶上/追上某人4. in + 一段时间，用于将来时，对其提高用how soon. 在多久之后5. miss v. 想念；错过； missing adj. 不在的，缺席的；失踪的；丢失的6. have an agreement to do sth. = agree to do sth. 达成一致做某 事；同意做某事7. have an accident 发生一次意外事故 by accident = by chance 意外地；偶然地8. fall over 向前摔倒 fall off 跌落；从……掉下来 fall down 倒下 fall off sth. = fall down from sth. 从某物上掉下来 9. show sb. sth. = show sth. to sb. 给某人看某物 10. There he is. 他在那儿。 11. Here comes the bus. 公车来了。12. Nothing serious. 没什么严重的；不严重 13. call off 取消 14. put off 推迟Unit 2-Unit3 Get off the sofa!thanks to = because of = with the help of 幸亏，由于 2. health care 卫生保健(服务) expect to do sth. 期望做某事 expect sb. to do sth. 指望/预料某人做某事 expect that从句 预计/预料 4. get off 下（车、马）;离开；动身 keep fit =keep healthy = stay healthy 保持健康 6. step n. 脚步（声）；步骤；措施 v. 走；踏入；踩 step by step 逐步地 7. require sth. 需要某物 require (sb.) to do sth. 要求（某人）做某事sth. require doing (表被动) = sth. require to be done 某物需要被 8. the same as 与……一样的9. once in a while = sometimes = at times = now and then = from time to time 偶尔；有时10. not just … but… 不仅…而且… not …but … 不是…而是… 11. say no to 向…说不；拒绝 say yes to 向……说行； 12.同意think about 考虑；思考 13. be in good health 身体健康 14. not… at all 根本不，一点也不 Not at all. 不客气；没关系 15. put on weight 增肥；增加体重 lose weight 减肥；减轻体重16. plan to do sth. 计划/打算做某事 17. be worth doing sth. 值得做某事 18. from side to side 左右摇摆;从一边到另一边 19. in pain 痛苦地 20. make tea 沏茶 21. take /show an interest in 对……感兴趣 be/become/get interested in 对……感兴趣 22. for the past couple of months在过去的几个月里 in the past few years 在过去的几年中 23. take up 开始从事；开始养成……的习惯；占用；占据 24.stay up 熬夜 25. Thousands of people died from smoking. 死于吸烟 16. give up smoking = stop smoking 戒烟提升训练一、单项选择1．Parents ________ their children to spend all their free time on schoolwork.A．expect B．hope C．make2．—Ben, can you finish the task on time? —I’m sure I have the ________ to make it, Sir.A．agreement B．choice C．ability D．attention3．Many people prefer five-star hotels because they think expensive hotels always ________ guests with better service.A．require B．protect C．produce D．provide4．Learning a skill __________ practice. You will never be able to swim just by watching videos.A．respects B．reminds C．represents D．requires5．—Ben, can you finish the task on time?—I’m sure I have the ________ to make it, Sir.A．agreement B．choice C．ability6．Don’t just _______ what your teacher said. You should have your own opinion.A．expect B．explore C．repeat D．suppose7．Everything during the trip was fantastic ________ that our car broke down on the way.________, we also met some great people who gave us help in time.A．expect, besides B．beside, besides C．except, besides D．besides, besides8．Don’t be angry with him. ________, he is 3 years old.A．In that case B．Once in a while C．After all D．To start with9．—I ________ him to stay here for another week. —He ________ so, but he has to leave at once because of the hard work.A．expect; look forward to B．hope; wishes C．wish; hopes10．—We can see a few ________ in the soldier’s arms. They must be painful.—Let’s help him clean them.A．hugs B．hurt C．harm D．wounds二、短文填空Dick was a smart young man whose parents were not rich. He had to work in his s 11 time. He managed to go to university, but it was so expensive to study there 12 he found it necessary to get 13 (至少) two part-time jobs at the same time so as to 14 (确保) that he could get enough money for his studies.One summer he got a job in a shop which sold meat d 15 the daytime and another job in a hospital at n 16 . On the one hand, in the shop, he learned to 17 ( 切 碎 ) meat quite nicely, so the 18 [bɒs]of the shop often let Dick do all the business while he was out. In the hospital, 19 (另一方面), he was, of course, only allowed to do some simple work, such 20 helping to lift people and to carry them from one part of the hospital to another. Both in the shop 21 at the hospital, Dick had to w 22 white clothes.One evening at the hospital, Dick was asked to look after a woman. When he e 23 the room, the woman was surprised. “I wonder how you could find me here,” the woman said. “I forgot to pay 24 the meat I bought yesterday and went home direct, but I didn’t do that 25 (故意地).”三、选词填空用方框中所给单词的适当形式填空。每词仅用一次。26．My best friend invited all of us to attend his birthday.27．The volunteers were so friendly and that it made all the foreigners feel at home.28．Nowadays, the police are busy many different kinds of cheats.29．We the beach while we were travelling around the island.30．Don’t worry. We are all in with you.四、补全对话根据下面的对话内容，从选项中选出最佳选项，使对话完整通顺。其中有一项是多余选项。A：Hey，Peter！You look tired. 31 .B：I didn't get enough sleep last night.A：Were you just doing your homework last night?B： 32 Mountains of homework，math，chemistry，Chinese…I didn't finish it until midnight.A：Poor guy！No wonder you don't look well.B：You know，less sleep is bad for my health.I am not as energetic as before. 33 .A：Sure.I advise you to make a plan before doing your homework.First you'd better do some outdoor sports.B： 34 I am going to follow your advice.Thank you.A：If you are too busy on weekdays，just relax yourself at weekends.B：Weekends？No kidding.I have to take after­school classes at weekends.A：You do？ 35 B：Because my parents want me to get into a good high school.A：Yes，I guess that is the reason.Perhaps you should talk to them and explain that health is the most important.B：You are right.Thanks for all the good advice.I'll try to talk to them.A．I feel terrible.B．Sounds great.C．Why do you have to take after­school classes?D．What's up?E．Yes，I was.F．Can you give me some advice?五、完形填空Who is Li Ziqi? For 7 million watchers on YouTube and 20 million micro bloggers on Sina Weibo, that's an easy question to 36 . She shows her videos about the detailed (详细的) cooking 37 of various kinds of traditional Chinese food to people at home and abroad.She and her team are fond (喜欢) of showing the whole process from the 38 to the table. For example, in her video about spicy tofu, she starts with harvesting the beans, and making the beans' powder(豆粉) into tofu, then cooking it. In 39 video about sauce, she shows how to plant beans in the field.However, recently a question about her has become hot: “Are Li Ziqi's works a kind of 40 export (输出)?” Many people argue that her videos are about daily life, and therefore she is not a symbol of Chinese culture. 41 , Chinese culture has many aspects (方面). Her videos show the charm (魅力) of the Chinese culture in every detail of daily life.Of course, 42 her videos, Li makes the world know that Chinese people love good food and are good at making art out of even 43 materials. She makes the world see one of the most important aspects of the Chinese people-how they live their daily lives, and it is these that have 44 the hearts of her global audience.It is 45 to discuss whether Li's videos are cultural export or not. She just makes the world know and love Chinese culture.36．A．solve B．answer C．lead D．think37．A．projects B．performances C．products D．processes38．A．field B．market C．park D．school39．A．the other B．other C．another D．others40．A．food B．business C．culture D．education41．A．In surprise B．In fact C．In return D．In the end42．A．since B．as C．through D．though43．A．simple B．difficult C．complex D．various44．A．cost B．hurt C．covered D．caught45．A．fortunate B．unfortunate C．necessary D．unnecessary六、阅读理解A healthy body is very important to us. When you are sick, maybe the only thing you want to do is lie in bed. When you are healthy, you can do all the things you like to enjoy life. The methods of keeping us fit are very common. In the morning, you can get up early, go outdoors and breathe the fresh air. If you are a busy person and have no special time to do these things, the easiest way is to walk to your office instead of riding a bike or taking a bus. Make sure your doctor knows the condition of your body most clearly, and he will give you the most valuable advice to keep fit. You should always try to make yourself happy. If you feel happy, you can eat well, sleep well, and your body is sure to be in an excellent condition. Trying every means to keep fit is my advice to the people who want to live a happy life in this beautiful world.46．When we are sick, maybe the only thing we do is ________.A．go out B．lie in bedC．eat too much D．sleep all day47．When we are happy, maybe we can ________ well.A．eat B．go shoppingC．do the things we like D．sing and dance48．If you are a busy person, the easiest way to keep fit is to ________.A．ride a bike B．take a busC．walk to your office D．drive a car49．If you feel happy, your body is to be in a(n) ________ condition.A．excellent B．living C．sad D．happy50．The passage mainly tells us ________.A．how to exercise B．how to keep fitC．what we should do D．how to be happyWe all know health is the most important in our life and we know smoking is harmful to people's health.But not many people know about the danger of second­hand smoke.Second­hand smoke is the smoke that comes from the smoker's breath.If people breathe in second­hand smoke from time to time,they could get sick from it.It can cause lung cancer(肺癌) and many other diseases.But how serious is the problem of the second­hand smoke?The World Health Organization(WHO) did a study of 194 countries.They found that second­hand smoke causes about 600,000 deaths every year.That is about 1% of the world death and it leads to a lot of trouble and pain.Second­hand smoke is especially harmful to children because their bodies are growing.According to a study,around 165,000 children under 5 die each year because of second­hand smoke.Most of these deaths happened in Africa and Southern Asia where health care is very poor.You can do something to keep yourself and other people away from second­hand smoke.You can ask the smokers,such as your parents,to smoke outside.And,if someone smokes close to you,you'd better hold your breath or just walk away.51．According to the passage，which statement is right?A．There are 194 countries in the world.B．The total death of the world is about 600，000.C．Second­hand smoke is worse for adults(成人) than children.D．Health care is very poor in Africa and Southern Asia.52．What does the writer think is the most important in life?A．Health. B．Friendship. C．Love. D．Money.53．The underlined word “breath” in the passage means “________” in Chinese.A．脉搏 B．呼吸 C．感染 D．传染54．How can you keep away from second­hand smoke?A．Standing close to the persons who smoke.B．Asking your parents to go out of your house.C．Holding your breath all the time.D．Walking away from the smokers.55．The best title of this article may be “______”．A．SmokingB．Second­hand SmokeC．Giving up SmokingD．Smoking is harmful to childrentwenty  agree  deal with  polite   discover 参考答案：1．A【详解】句意：家长们希望他们的孩子把所有的空闲时间都花在功课上。考查动词辨析。expect期待；hope希望；make制作。根据“their children to spend all their free time on schoolwork”可知，此处是短语expect sb to do sth“期待某人做某事”，而hope没有此用法，故选A。2．C【详解】句意：——Ben，你能按时完成任务吗？——我相信我有能力做到，先生。考查名词辨析。agreement协议，协定；choice选择；ability能力；attention注意。根据“I have the...to make it,”可知，此处表示有能力做到这件事，have the ability to do sth.“有能力做某事”。故选C。3．D【详解】句意：许多人喜欢五星级酒店，因为他们认为昂贵的酒店总是为客人提供更好的服务。考查动词辨析。require要求；protect保护；produce生产；provide提供。根据“guests with better service.”可知，是提供更好的服务。故选D。4．D【详解】句意：学习一项技能需要练习。你永远不会仅仅靠看视频就能游泳。考查动词辨析。respect尊重；remind提醒；represent代表；require需要。根据“Learning a skill...practice.”可知，此处指学习技能需要练习。故选D。5．C【详解】句意：——Ben，你能按时完成任务吗？——我相信我有能力做到，先生。考查名词辨析。agreement同意；choice选择；ability能力。根据“can you finish the task on time”及“I’m sure I have the...to make it”可知，Ben认为自己有能力做的到，故选C。6．C【详解】句意：不要仅仅重复老师所说的话。你应该有自己的观点。考查动词辨析。expect期望；explore探索；repeat重复；suppose认为。根据“You should have your own opinion.”可知，要有主见，不能仅重复老师所说的话。故选C。7．C【详解】句意：除了我们的车在路上坏了以外，旅途中一切都很好。此外，我们还遇到了一些很好的人，他们及时给了我们帮助。考查词汇辨析。expect期待；except除……之外（不包含）；beside 在……旁边；besides除……之外（还有），此外。根据“Everything during the trip was fantastic ...that our car broke down on the way”可知，应是整个旅途除了车在路上坏了以外都很好，不包括车在路上坏了这种情况，所以用except；第二空是补充说明，所以用besides，故选C。8．C【详解】句意：不要生他的气。毕竟，他才3岁。考查介词短语。In that case既然那样；Once in a while偶尔一次；After all毕竟；To start with起初。根据“...he is 3 years old”可知，此处应表达毕竟他才3岁，所以不要生他的气。故选C。9．C【详解】句意：——我希望他在这里再待一周。——他希望如此，但是因为他有很多工作，他不得不立刻离开。考查动词及动词短语辨析。expect期望，预料，常用expect sb. to do sth.“期待某人做某事”；look forward to期望，盼望，常用look forward to doing sth.“期待做某事”；wish希望，wish sb. to do sth.“希望某人做某事”；hope希望，hope to do sth.“希望做某事”。根据第一空后的“him to stay”可知，B选项hope无此用法，排除；根据第二空后“so”可知，第二空用hopes，A选项look forward to无此用法。故选C。10．D【详解】句意：——我们可以看到士兵手臂上有几处伤口。他们一定是痛苦的。——让我们帮他清理它们。考查名词的辨析。hugs拥抱；hurt伤心，受伤的；harm伤害；wounds伤，伤口。由“Let’s help him clean them.”可知，选项D“wounds伤，伤口”符合句意，表示手臂上上的伤口，故选D。11．spare 12．that 13．at least 14．make sure 15．during 16．night 17．cut up 18．boss 19．on the other (hand) 20．as 21．and 22．wear 23．entered 24．for 25．on purpose【分析】Dick 很聪明但家里不富有。为了确保自己能有足够的钱完成学业，他不得不从事两份兼职工作。白天在商店里卖肉，晚上在医院里护理病人，两份工作都需要穿白色工作服。工作服引发的故事让人捧腹大笑。11．句意：他不得不在业余时间工作。spare空闲的，业余的，用于短语in one’s spare time“在某人的业余时间”，符合语境，故填spare。12．句意：他设法上了大学，但大学学费太贵了，以至于他发现有必要同时至少做两份兼职工作，以确保有足够的钱完成学业。根据句子结构可知，该句中使用了句型“so…that…”，意为“如此……以至于……”，引导结果状语从句。故填that。13．句意：他设法上了大学，但大学学费太贵了，以至于他发现有必要同时至少做两份兼职工作，以确保有足够的钱完成学业。根据空后所给的意思可知，这里考查短语at least，符合语境，故填at least。14．句意：他设法上了大学，但大学学费太贵了，以至于他发现有必要同时至少做两份兼职工作，以确保有足够的钱完成学业。根据单词的意思可知，这里考查make sure，是一个固定短语。空前“so as to”意为“为了……”，后面跟动词原形。故填make sure。15．句意：有一年夏天，他白天在一家卖肉的商店里找了一份工作，晚上又在一家医院里找了一份工作。根据空后“the daytime”以及单词首字母可知，这是时间状语，表示“在白天”，during是介词，意为“在……期间”。故填during。16．句意：有一年夏天，他白天在一家卖肉的商店里找了一份工作，晚上又在一家医院里找了一份工作。该空与前面“…the daytime”对应，前面说白天的工作，这里应表示“在晚上”，at night是固定短语，故填night。17．句意：一方面，在店里，他学会了把肉切得很好，所以店主经常在他不在家的时候让迪克把所有的生意都做了。根据后面所给的单词的意思可知，这里考查短语cut up，该句使用了句型learn to do sth.“学会做某事”，这里应填动词原形。故填cut up。18．句意：一方面，在店里，他学会了把肉切得很好，所以店主经常在他不在家的时候让迪克把所有的生意都做了。根据空后所给单词的音标可知，这里考查的是boss，是一个名词，意为“老板”，故填boss。19．句意：另一方面，在医院里，他当然只被允许做一些简单的工作，比如帮助抬人，把他们从医院的一个地方抬到另一个地方。根据所给短语的意思可知，这里考查的是on the other hand是固定短语，与前面的“on the one hand”对应。故填on the other hand。20．句意：另一方面，在医院里，他当然只被允许做一些简单的工作，比如帮助抬人，把他们从医院的一个地方抬到另一个地方。根据空前的“such”以及句意可知，这里举例说明Dick的工作，such as是固定短语，意为“例如”，故填as。21．句意：无论是在商店还是在医院，迪克都得穿白衣服。根据空前“Both…”和句意可知，这里表示两者并列，用了短语both…and…，故填and。22．句意：无论是在商店还是在医院，迪克都得穿白衣服。根据空后“white clothes”和单词首字母可知，这里表示“穿白衣服”，wear“穿”，是一个动词；空前有“had to”，情态动词后跟动词原形。故填wear。23．句意：当他走进房间时，这个女人很吃惊。根据文意可知，Dick去照顾一个病人，所以他应该“走进房间”，enter意为“进入”，是一个动词。短文使用的是一般过去时态，这里应填过去式。故填entered。24．句意：我昨天买肉忘了付钱，直接回家了，但我不是故意这样做的。根据空前“pay”以及句意可知，这里考查短语pay for…，意为“支付，为……付钱”。故填for。25．句意：我昨天买肉忘了付钱，直接回家了，但我不是故意这样做的。根据空后短语的意思可知，这里考查on purpose，故填on purpose。26．twentieth 27．polite 28．dealing with 29．discovered 30．agreement【解析】26．句意：我最好的朋友邀请我们所有人参加他的二十岁生日会。根据“his…birthday”可知，空处需要序数词表示多少岁生日，备选词汇中twenty变为序数词twentieth“第二十”符合语境。故填twentieth。27．句意：志愿者们非常友好和礼貌，这让所有的外国人都有宾至如归的感觉。根据“so friendly and…”可知，空处需填形容词与“friendly”作并列表语，形容志愿者的特征，polite“礼貌的”符合语境。故填polite。28．句意：如今，警方正忙于对付各种各样的骗局。根据“..many different kinds of cheats.”可知，警察对付各种骗子，deal with“应对，处理”符合语境，be busy doing“忙于做某事”。故填 dealing with。29．句意：我们在环岛旅行时发现了海滩。根据“while we were travelling around the island”可知为时间状语从句，空处应用一般过去时，结合备选词可知discover“发现”符合情景，discover的过去式为discovered。故填discovered。30．句意：别担心。我们都同意你的意见。in agreement with sh“同意某人，与某人意见一致”，固定短语，动词agree变为名词agreement“同意”。故填agreement。31．D 32．E 33．F 34．B 35．C【分析】这个对话是B看起来很疲惫，因为熬夜写作业，A给他一些建议。31．根据上文“You look tired.”及下文“I didn't get enough sleep last night.”可知，看起来疲累，下文应该问怎么了，选项D“你怎么了？”符合题意，故选D。32．根据上文“Were you just doing your homework last night?”及下文“ Mountains of homework，math，chemistry，Chinese…I didn't finish it until midnight.”可知，这里是做肯定回答，昨天晚上有很多作业，选项E“是的，我是”符合题意，故选E。33．根据下文“Sure. I advise you to make a plan before doing your homework.First you'd better do some outdoor sports.”可知，上文是想让对方给他一些建议，选项F“你能给我一些建议吗？”符合题意，故选F。34．根据下文“I am going to follow your advice. Thank you.”可知，此处是认为对方的建议不错，选项B“听起来不错”符合题意，故选B。35．根据下文“Because my parents want me to get into a good high school.”可知，上文是提问原因，选项C“你为什么要参加课外班？”符合题意，故选C。36．B 37．D 38．A 39．C 40．C 41．B 42．C 43．A 44．D 45．D【分析】本文主要向我们介绍了李子柒和她团队的运作。作者认为李子柒通过自己的方式将中国人的日常生活展示给世界，无关文化输出。36．句意：对于YouTube上的700万观众和新浪微博上的2000万博主来说，这个问题很容易回答。solve解决；answer回答；lead领导；think认为。根据前句“Who is Li Ziqi?”可知，本文以问题开篇，所以此处是回答。故选B。37．句意：她向国内外的人们展示了她的视频，讲述了各种中国传统食物的详细烹饪过程。projects项目；performances表演；products产品；processes过程。根据后文“She and her team are fond (喜欢) of showing the whole process…”可知，是展示做食物的过程。故选D。38．句意：她和她的团队喜欢展示从田野到桌子的整个过程。field田野；market市场；park公园；school学校。分析“She and her team are fond (喜欢) of showing the whole process from the…to the table.”可知，此处指将食物从田野到餐桌的过程。故选A。39．句意：在另一个关于酱汁的视频中，她展示了如何在地里种植豆类。the other两者中的另一个；other其他的；another三者及以上的另一个；others其他人。此处指李子柒视频中的另一个，视频有很多。故选C。40．句意：李子柒的作品是一种文化输出吗？food食物；business商业；culture文化；education教育。根据后文“whether Li's videos are cultural export or not”可知，此处指文化输出。故选C。41．句意：事实上，中国文化有很多方面。In surprise惊讶；In fact事实上；In return作为回报；In the end最后。分析“Many people argue that her videos are about daily life, and therefore she is not a symbol of Chinese culture…Chinese culture has many aspects (方面).”可知，许多人认为李子柒不算是中国文化的象征，中国的文化有许多方面，“事实上”符合语境。故选B。42．句意：当然，通过她的视频，李子柒让世界知道了中国人热爱美食，擅长用简单的材料制作艺术。since自从；as因为；through通过；though虽然。根据“Of course…her videos, Li makes the world know that…”可知，此处强调方式，可用through表示。故选C。43．句意：当然，通过她的视频，李子柒让世界知道了中国人热爱美食，擅长用简单的材料制作艺术。simple简单的；difficult困难的；complex复杂的；various各种各样的。根据“Chinese people love good food and are good at making art out of even…materials”可知，此前有even强调程度，简单的食材即可烹饪出美食。故选A。44．句意：她让世界看到了中国人最重要的一面——他们如何过他们的日常生活，正是这些吸引了全球观众的心。cost花费；hurt伤害；covered覆盖；caught抓住。根据“…the hearts of her global audience”可知，此处指抓住全球观众的心。故选D。45．句意：李子柒的视频是否是文化输出，没有必要讨论。fortunate幸运的；unfortunate不幸的；necessary有必要的；unnecessary没有必要的。根据“It is…to discuss whether Li's videos are cultural export or not. She just makes the world know and love Chinese culture.”可知，李子柒让世界了解和热爱中国文化，所以没必要讨论这是否是文化输出。故选D。46．B 47．A 48．C 49．A 50．B【分析】健康的身体对我们来说很重要，作者建议我们要想尽一切办法保持健康，从而过幸福的生活。46．细节理解题。根据“When you are sick, maybe the only thing you want to do is lie in bed.”可知，当你生病的时候，也许你唯一想做的就是躺在床上。故选B。47．细节理解题。根据“If you feel happy, you can eat well, sleep well, and your body is sure to be in an excellent condition.”可知，如果你感到快乐，你可以吃得好，睡得好。故选A。48．细节理解题。根据“If you are a busy person and have no special time to do these things, the easiest way is to walk to your office”可知，如果你是一个忙碌的人，没有特别的时间去做这些事情，最简单的方法就是走路去你的办公室。故选C。49．细节理解题。根据“If you feel happy, you can eat well, sleep well, and your body is sure to be in an excellent condition.”可知，如果你感到快乐，你可以吃得好，睡得好，你的身体肯定会处于一个良好的状态。故选A。50．主旨大意题。分析全文内容可知，健康的身体对我们来说很重要，作者建议我们要想尽一切办法保持健康，从而过幸福的生活。故选B。51．D 52．A 53．B 54．D 55．B【分析】本文是一篇说明文。文章介绍了二手烟的概念及危害，尤其是对孩子的危害。51．细节理解题。根据第四段“Most of these deaths happened in Africa and Southern Asia where health care is very poor.”可知大部分死亡发生在非洲和亚洲南部，那里医疗很差。故选D。52．细节理解题。根据第一段第一句“We all know health is the most important in our life”可知作者认为健康是最重要的，故选A。53．词义猜测题。第二段第一句“Second­hand smoke is the smoke that comes from the smoker's breath.”是对二手烟的定义，根据常识可知二手烟是来自吸烟者呼出的烟，即吸烟者的呼吸，故选B。54．细节理解题。根据最后一段“if someone smokes close to you，you'd better hold your breath or just walk away.”可知远离吸烟者可以远离二手烟，故选D。55．主旨大意题。文章主要围绕二手烟讲解其危害及解决办法，故选B。