人教新课标 必修5 同步练习Unit 3 Life in the future同步(五)(解析版)

（重庆合川市）人教版英语必修5 Unit 3 Life in the future同步训练及参考答案Unit Three Life in the futureI. 用所给词的词组适当形式填空1. The thief ___________(slide)the room and stole some jewels.2. I put the telephone down and __________(take) my work again.3. -Did you enjoy your holiday?-No, ___________(far) it. It was terrible.4. We must never _____________(lose)the fact that man must live in harmony with nature.5. He was left to _________(sweep) the bits of paper and broken glass.6. We’re hoping the changes will help ______ things ______ a bit.(speed)7. I parked the car and _________(switch) the engine.8. Sue ___________________(feet) again after her operation.9. A giant machine which __________________(greedy) more, swallows all the waste available.10. I’m not worried about her_________________ (lack）experience --- we can easily train her.II．语法填空阅读下面材料，在空白处填入适当内容（每空1个单词）或括号内单词的正确形式。

Unit 3 Life in the future单元测试（人教版必修5,课标通用）（满分：150分，时间：120分钟）第I卷（共115分）第一部分听力（共两节，满分30分）第一节（共5小题；每小题1.5分，满分7.5分）听下面5段对话。

每段对话后有一个小题，从题中所给的A、B、C三个选项屮选岀最佳选项。

听完每段对话后，你都有10秒钟的时间來回答有关小题和阅读下一小题。

每段对话仅读一遍。

1. Where does the conversation take place?A ・ Ina shop ・B ・ At a bank ・C ・ Ina restaurant.2・ What is the probable relationship between the two speakers?A.Ticket seller and customer.B • Policeman and drive匚C. Taxi driver and passenge匚3 • What do we know about the man?A.He will not learn to use a computer.B • He uses computer every day.C. He will learn to use a computer.4・ What is the total cost of the two tickets?A• 90 yuan. B ・ 135 yuan. C. 125 yuan.5.What will the woman probably do?A.Go to bed・B• Drink more coffee・ C. Eat something.第二节（共15小题；每小题1.5分，满分22.5分）听下面5段对话或独白。

每段对话或独白后有几个小题，从题屮所给的A、B、C三个选项屮选出最佳选项。

听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，每小题将给出5秒钟的作答时间。

Unit3 Life in the future单元同步测试I. 单项选择1. ________confidence and the necessary equipment,they failed to rescue the 42 miners trapped in the coal mine. GTxxtZjGNeA. Lack ofB. Lacking ofC. LackingD.Having lacked GTxxtZjGNe2. It was very difficult to rescue the drowning boy inthe sea. One moment the rescue workers _______himbut the next moment they _____. GTxxtZjGNeA. caught sight of; lostB. caught the sight of; lost his sight GTxxtZjGNeC. caught sight of; lost sight of himD. caught the sight of; lost their sight of him GTxxtZjGNe3. It will be some years before some foreign doctorschange the impression they have _____Chinesemedicine, _____, in their opinion, is nothing butraw herbs and not effective at all in treatingdiseases. GTxxtZjGNeA. for; whichB. on; whatC. to; thatD. on; which GTxxtZjGNe4. The manager of the travel agency was trying hard tofigure out how he would attract more customers_____ an extraordinary idea _____ his mind and he immediately knew what to do. GTxxtZjGNeA. when; flashed acrossB. as; crossedC. when; hitD. before; struckGTxxtZjGNe5. I am quite ______ that the new cosmetics, whetherit appears in the form of tablet, capsule, powderor injection, will _______ through the countryamong young ladies. GTxxtZjGNeA. optimistic about; sweepB. optimistic ; sweepC. pessimistic; spreadD. pessimistic about; spread GTxxtZjGNe6. The sight of the ruined temple ______ him of thetime when he was trapped but______ to escape fromit through a narrow opening in the quake.GTxxtZjGNe A. called up; was able to B. informed; tried C.reminded; succeeded D. reminded;managedGTxxtZjGNe7. In order to get the film shooting finished in time,we have to ______our work but it doesn’t mean some parts will be ______. GTxxtZjGNeA. speed up; skippedB. speed up; dropped outC. increase; cut outD. raise; left outGTxxtZjGNe8. My wife’s ______ complaints about the bathroombeing too small really gives me a big headache butI can’t do anything but _____ to accept it as itis. GTxxtZjGNeA. often; haveB. constant; to haveC. usual;have D. frequent; have GTxxtZjGNe9. ______ the red switch on the left and the flyingmachine will swiftly go up into the air and _____its journey. GTxxtZjGNeA. Pressing; begins C. Press; begin C. Pressed;begins D. To press; to beginGTxxtZjGNe10. What had previously been regarded as ______property was made collective in the Land ReformMovement.GTxxtZjGNeA. personalB. individualC. ownD. private11. You can _______ and start a new life; a small stepat a time and happiness will follow. GTxxtZjGNeA. get back on your feetB. stand upC. riseto your feet again D. take to your feet GTxxtZjGNe12. No teacher except him can ______ to be laughed atin front of so many students without losing temper.GTxxtZjGNeA. standB. put up withC. bearD.tolerate GTxxtZjGNe13. “ The plane _______ in a minute. Please fastenyour safety belts and remain on your seats until it has landed,” the stewardess announced in a sweetvoice. GTxxtZjGNeA. is going to landB. will landC. is aboutto land D. will be landing GTxxtZjGNe14. The machine is designed to _______ people recyclewastes to a great degree but the result stillremains to be seen.GTxxtZjGNeA. aidB. helpC. assistD. improve15. Some adjustments have to be made to the timetableso that it can _______everybody that is concerned.GTxxtZjGNeA. fitB. serveC. suitD. adjust16. New ways have to be found to _______of wastematerials and poisonous gases so that we can havecleaner surroundings GTxxtZjGNeA. dealB. doC. removeD. dispose17. Reviewing the video monitor afterwards, theynoticed two armed men with their faces covered bymasks step out of a carriage and ______the bankthrough the backdoor. GTxxtZjGNeA. slide intoB. enter intoC. stole intoD. went into GTxxtZjGNe18. No sooner had I began to sing the English song thanit was_______ by a 13-year-old girl. She sang thesong so beautifully that I couldn’t help askingher when she had ______ the study of English.GTxxtZjGNeA. brought up; taken upB. picked up; picked upC. taken up; taken upD. come up; set up GTxxtZjGNe19. They are representatives of farm workers and thefrustrating conditions they are in are______ thetrue state of the majority of them. GTxxtZjGNeA. symbolicB. representative ofC. curiousabout D. ambitious about GTxxtZjGNe20. When you are _______ about which button to presson the complicated machine, you can either read the user’s guide for guidance or fax us for specificinstruction. Don’t ______ the trial-and-errormethod. GTxxtZjGNeA. insure; doB. ensure; makeC. uncertain;try D. unsure; touch GTxxtZjGNe21. The local government has again _______ its wordsnot to swallow the arable land for town buildingand the farmers can do nothing but swallow it.Which of the following is NOT OK? GTxxtZjGNeA. swallowedB. eatenC. brokenD. letdown GTxxtZjGNe22. The most important _____ of the job as a typist is to be able to type fast and _______. GTxxtZjGNeA. aspect; accurateB. way; exactlyC. aspect; accuratelyD. part; precisely GTxxtZjGNe23. It is every citizen’s duty to go out to ______the snow on the street______ it stops falling soas to make it convenient for traffic to pass. .GTxxtZjGNeA. sweep up; the instantB. clear up; the momentC. clean up; immediatelyD. whirled up; directly GTxxtZjGNe24. The goods on this counter ____ at a discount of25%, like the typewriters, television receivers,dustbins, etc. GTxxtZjGNeA. sellB. sellsC. is soldD. are soldGTxxtZjGNe25. The wreckage of something like a jet plaindiscovered in the heart of the desert is believed______ a UFO and _______down for reasons stillmysterious. GTxxtZjGNeA. to be; have fallenB. to have been; to havefallen C. to be; to fall D. having been; havingfallen GTxxtZjGNeThere are about fifteen hundred languages in the world.GTxxtZjGNeII．完形填空But ___26___ a few of them are very ___27 ___. English is one of these. Many, many people use it, not only in England and the U. S. A, but in other parts of the world. About 200, 000, 000 speak it as their own language. It is difficult to say how many people are learning it as a ___28___ language. Many millions are ___29___ to do so.GTxxtZjGNeIs it easy or difficult to learn English? Different people may have different ___ 30 ___. Have you ever ___31___ the ads of this kind in the newspapers or magazines?GTxxtZjGNe“Learn English in six month, or your ___32___ back ...” “Easy and funny? Our records and tapes ___33___ you master your English in a month. ___34___ the first day your ___35___ will be excellent. Just send ...” Of course, it never ___36___ quite like this.GTxxtZjGNeThe only language that seems easy to learn is the mother tongue. We should ___37___ that we all learned our own language well when we were ___38___. If we could learn English in the same way, it would not seem so difficult. ___ 39 ___ what a small child does. He listens to what people say. He tries what he hears. When he is using the language, talking in it, and ___ 40___ in it all the time, just imagine how much ___41___ that gets!GTxxtZjGNeSo it is ___42___ to say that learning English is easy, because a good command of English ___43___ upon a lot of practice. And practice needs great effort and__44___ much time. Good teachers, records, tapes, books, and dictionaries will ___45___. But they cannot do the student’s work for him.GTxxtZjGNe26. A. not B. quite C. only D. very27. A. difficult B. important C. necessary D. easy28. A. native B. foreign C. useful D. mother29. A. learning B. enjoying C. trying D. liking30. A. questions B. problems C. ideas D. answers31. A. found B. watched C. noticed D. known32. A. knowledge B. time C. money D. English33. A. make B. help C. let D. allow34. A. From B. On C. Since D. After35. A. spelling B. grammar C. English D. pronunciationGTxxtZjGNe36. A. happened B. know C. seemed D. felt37. A. know B. remember C. understand D. think38. A. students B. children C. babies D. grown-upsGTxxtZjGNe39. A. Imagine B. Mind C. Do D. Think of40. A. using B. thinking C. trying D. practicing41. A. time B. money C. language D. practice42. A. hard B. easy C. funny D. silly43. A. depends B. tries C. has D. takes44. A. uses B. takes C. gets D. costs45. A. do B. work C. help D. master阅读理解第一节：阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。

Unit 3 Life in the future训练四课后练习一.单句语法填空（单词复习+语法提升）1．The scientists have found a way to speed this process．2．Don't forget to switch the gas．3．We usually feel more pleasure and（motivate）to work on what we can do best．4．I don't think it is right to blame the tools the faults of the user．5．She accepted an out﹣of﹣court（settle）of 40，000 dollars．6．He was fired．That was he didn't work hard enough．7．John adapted effortlessly to his new（surround）．8．You only get one chance to make a first（impress）．9．The famous singer was surrounded reporters．10．This means they can ensure high levels of（efficient）．二．完形填空阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。

Everyone wants to find happiness in life. No matter what our circumstances are, the search for true contentment is at the 1 of everyone's goals.The question, then, is how? How are we 2 to even begin looking for it? A group of people gathered in a room 3 a seminar about life and happiness to learn to find happiness in their 4 . They were being 5 various skills and lessons about life. Suddenly, the speaker 6 and started giving each person a balloon. He asked everyone to write their7 on it using a pen. All the balloons were then 8 and taken to another room.Now, these delegates were let in that room and asked to find the balloon which had their name 9 , within 5 minutes. Everyone was 10 searching for their name, pushing, crashing with each other, and there was a 11 . No one could find their 12 within the given five-minute time and they all had to return to the other room with their hands 13 .Then they were told to go to the other room and randomly choose a balloon and give it to the 14 whose name was written on it. Within five minutes everyone was 15 the balloon with their name on it.The speaker began: This is 16 happening in our lives. Everyone is hurriedly looking for happiness all around, not knowing 17 it is. Our happiness 18 the happiness of other people. Give them their happiness, you will get your 19 happiness. And this is the 20 of human life.1. A. bottom B. heart C. draft D. distance2. A. forced B. used C. supposed D. aimed3. A. attending B. attempting C. accompanying D. abusing4. A. contributions B. lectures C. trips D. lives5. A. appointed B. taught C. guaranteed D. adjusted6. A. continued B. urged C. stopped D. resigned7. A. names B. addresses C. ideas D. essays8. A. separated B. exchanged C. divided D. collected9. A. announced B. declared C. recommended D. written10. A. eventually B. steadily C. wildly D. flexibly11. A. mess B. potential C. threat D. disability12. A. rooms B. balloons C. exits D. sections13. A. full B. blank C. empty D. dirty14. A. teacher B. speaker C. person D. agent15. A. pumping B. choosing C. distributing D. carrying16. A. simply B. exactly C. automatically D. nearly17. A. where B. who C. what D. which18. A. results in B. decides on C. dates from D. lies in19. A. temporary B. own C. annual D. awful20. A. purpose B. consequence C. search D. existence三．语法填空阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

人教新课标英语必修5Unit 3 Life in the future同步精练及答案Unit Three Life in the futureI. 单句改错1. You'll find this map of great valuable in helping you to get round London.2. Five pounds of apples doesn't cost two dollar.3. He paid the boy $10 for washing ten windows, most of those hadn't been cleaned for at least a year.4. The Emperor opened his eyes widely but still saw nothing.5. Mother promised she will buy me a bike.6. The number of people invited was fifty, but a number of them was absent for different reasons.7. Among them were a soldier who was wounded in the stomach.8. It's important for parents and children to learn how to get through to each other and skills in understanding and be understood.9. The days when we were together without any worries are gone and I'll always remember the days when we spent together. 10. Since you have seen both fighters, who you think will win?II、短文语法填空What would you do if you failed? Many people may choose to giveup.__1__ , the surest way to success is to keep your direction and stick __2__ your goal.On your way to success, you __3__ keep your direction.It is just like a lamp, guiding you in darkness and __4__ (help) you overcome obstacles on your way.__5__ , you will easily get lost or hesitate to go ahead.Direction means objectives.You can get nowhere __6__ an objective in life.You can try to write your objective on paper and make some plans to achieve __7__.Only in this way __8__ you know how to arrange your time and to spend your time __9__(proper)．And you should also have a belief __10__ you are sure to succeed as long as you keep your direction all the time.1．________ 2.________ 3.________ 4.________5．________ 6.________ 7.________ 8.________9．________ 10.________III、完形填空阅读下面短文，掌握其大意，然后从各题所给的四个选项（A B C D）中，选出最佳选项。

Unit 3 Life in the future同步练习Part 1 Warming Up, Pre-reading, Reading and ComprehendingI. 根据下面各句句意以及所给单词的首字母或汉语提示词，写出该单词的正确形式（每空一词）。

1. We must consider every a________ of the problem.2. The doctor told him to take two of the t________ three times daily before every meal.3. It takes a much shorter period now for the world to gain another billion people than in p________ centuries.4. He saw what was coming, and bent his head ________ (向一侧), and put up his left arm to protect it.5. The school cannot t________ cheating on exams.6. He followed in an open c________ drawn by six gray horses.7. She’s not very ________ (乐观的) about the outcome of the talks.8. I can’t f________ this belt, for it’s not long enough.II. 用括号内单词的正确形式填空。

1. I have the ________ (impress) that we have met once before.2. The direction of the wind is ________ (constant) changing.3. You cannot believe him entirely, because there is always something ________ (certain) in his deeds.4. The ________ (open) of the cave is so small that an adult can hardly pass through it.5. He will have to make major ________ (adjust) to his thinking if he is to survive in office.6. The cat jumped from the roof and disappeared into the ________ (surround) darkness.III. 为下面每组句子选择一个合适的单词，并用其正确形式填空。

Unit 3 Life in the future训练三课后练习一.单句语法填空（单词复习+语法提升）1．He will take his post as the manager of the company next month．2．She was so（greed）that she took away all the money．3．It's very easy to focus on the negative and to lose sight what really matters．4．At the edge of the desert，he came across a（desert）church．5．We will repair your bike no time．6．Lucy is optimistic her future．7．He dropped down into an armchair，（exhaust）．8．（previous）our mountain area was poor and impoverished（穷困的）．9．His wife is（constant）finding fault with him，which makes him very angry．10．Jim tried to make a better impression his teachers，but failed．1．【句意】他下个月将担任公司经理一职．答案：on，考查固定搭配，根据句意"他下个月将担任公司经理一职．"，可知要填的词为"on"，构成固定搭配take on担任．2．【句意】她太贪心了，把钱都拿走了．答案：greedy，考查词性，作表语，所以用形容词greedy"贪婪的"，be greedy for 对…贪婪．3．【句意】很容易把注意力集中在消极的方面而忽视真正重要的东西．答案：of，考查固定搭配，根据句意"很容易把注意力集中在消极的方面而忽视真正重要的东西．"，可知要填的词为"of"，构成固定搭配lose sight of看不见．4．【句意】在沙漠的边缘地带，他碰巧发现了一个被遗弃的教堂．答案：deserted考查形容词．根据空后的名词church可知，此处应用形容词修饰名词，因为所给词desert的形容词是deserted，故填deserted．5．【句意】我们很快就会修好你的自行车．答案：in，考查固定搭配，根据句意"我们很快就会修好你的自行车．"，可知要填的词为"in"，构成固定搭配in no time立刻．6．【句意】露西对她的未来很乐观．答案：about，考查固定搭配，根据句意"露西对她的未来很乐观．"，可知要填的词为"about"，构成固定搭配be optimistic about对…乐观．7．【句意】他筋疲力尽地倒在扶手椅上答案：exhausted，考查词性，作状语，说明主语的情况，所以用形容词exhausted"精疲力尽的"．8．【句意】以前我们的山区是贫穷的．答案：Previously考查副词．分析句子结构可知，此处应用副词修饰后面的句子，所给词previous 的副词是previously，故填Previously．9．【句意】他的妻子总是找他的毛病，这使他很生气．答案：constantly ，考查词性，作状语，修饰动词，所以用副词constantly "不断地、经常"．10．【句意】吉姆试图给老师留下更好的印象，但失败了．答案：on，考查固定搭配，根据句意"吉姆试图给老师留下更好的印象，但失败了．"，可知要填的词为"on"，构成固定搭配make a good impression on sb 给某人留下好印象．二．完形填空阅读下面短文，从短文后各题所给四个选项（A、B、C 和D）中，选出可以填入空白处的最佳选项。

Unit 3 Life in the future训练六课后练习一.单句语法填空（单词复习+语法提升）1．I would like to live in a house with a big garden in front，but I can't afford to buy．2．After careful consideration，George decide to take photography as his career．3．The Sci﹣tech and Art Festival of our school provides us students a platform to show our talents．4．There is no denying that most students feel very sleepy in the first two periods lack of sleep．5．It was not until she took off his sunglasses I recognize that she was a famous star．6．His head ached，but he was soon back his feet again after taking some pills．7．I know you are hungry．And I'll get you something to eat no time．8．Finding a job is very difficult nowadays，so the first（impress）is very important in interview．9．Tony is an intelligent student，but he lacks the（motivate）to study．10．Henry Adams（wander）through the street when he caught sight of a tailor's shop．二．完形填空阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。

高二英语人教新课标版必修5 Unit 3 Life in the future-words、phrases and language points同步练习（答题时间：45分钟）一、根据课文内容补全短文Read the passage again and fill in the blanks:Li Qiang is now 1 the prize he won last year and is traveling into the year AD 3008 with Wang Ping's family. During the journey in a time 2 ，he 3 from “time lag”, and he kept on getting flashbacks from the 4 time period, which resulted in his nervousness and uncertainty at first.On arriving the year AD 3005, his head ached from 5 of fresh air. It was a kind of mask that made him feel better. After a short rest in a small room, he recovered himself, and then he and Wang Ping collected hovering carriages driven by computer, and drove them by bending and 6 down on the driving stick strongly to travel 7 round. Soon，because of the people flying by in all directions, Li Qiang 8 and couldn't get into touch with Wang Ping. Fortunately, after a while Li Qiang caught sight of Wang Ping and flew after him.When they arrived at Wang Ping's home, Li Qiang was already 9 ，and 10____ into a bed produced from the floor by Wang Ping's mother一Li Mengxi and fell fast asleep.二、根据提示拼写单词1. Despite the financial crisis, we are o_____________ about the development of China.2. When we are considering problems, we should take into account different a____________ of them.3. Many people think animals in the zoo should be raised in natural s_________________.4. After several months of ________________(调整), Liu Xiang returned to the track field.5. Because of pollution, global warming is becoming harder for people to t_____________.6. The manager i____________________ on his office staff the importance of keeping accurate records.7. Obama’s first visit in China made a strong i_________________ on the youth of China.8. Applicants for the job must have p_____________________ experience.9. He’s _______________（连续不断）disturbing me.10. I ____________（提醒）her how much the fare was.三、单项选择1. __________from hepatic adipose infiltration (脂肪肝) for many years，Chen Yurong stillA. Having sufferedB. SufferingC. To sufferD. Suffered2. The songs broadcast in the programme The Songs in the Past Sixty years on CCTV ________ me of my childhood.A. mentionedB. informedC. remindedD. memorized3. The greatness of the Forbidden City strongly impressed __________President Obama’s memory.A. toB. overC. byD. on*4. With a lot of financial problems_______，the summit meeting of APEC this year draws special attention.A. settledB. settlingC. to settleD. being settled5. Although the computer today is so advanced, it can only do _______you have instructed it to do.A. howB. afterC. whatD. when6. I invited Tom and Ann to dinner，but_______ of them came.A. neitherB. bothC. eitherD. none7. So far，cases of a disease，________ as H1N1 flu，are reported to have been found in the country all around the world.A. knowingB. to be knownC. having knownD. known*8. “I don’t understand，”he said with a_______ expression on his face.A. surprisingB. surprisedC. being surprisedD. having surprised*9. Many companies in America have closed down through __________money.A. lackB. lackingC. lacking inD. lack of10. English is understood all over the world________ Turkish is spoken by only a few people outside Turkey itself.A. whileB. whenC. asD. since*11. ________from a high mountain，a horse is as small as an ant.A. Having viewedB. ViewedC. ViewingD. View12. It was so noisy outside that I couldn’t ______ down to read.A. settleB. putC. sitD. lie*13. _________from this point of view，the question will be of great importance.A. ConsideringB. ConsideredC. Being consideredD. Consider14. Many people are _______ about the future of the earth though pollution is worsening.A. uncertainB. optimisticC. greedyD. previous15. New ways have to be found to _______of waste materials and poisonous gases so that we can have cleaner surroundingsA. dealB. doC. handleD. dispose四、完形填空阅读下面短文，掌握其大意，然后从1～20各题所给的四个选项（A、B、C和D）中，选出最佳选项。

必修 5 Unit 3 Life in the future同步练习重点单词（必修 5 Unit 3 Life in the future）同步练习（答题时间：15分钟）一、单词拼写1. To our pity, the project had to be abandoned for (缺乏) of funds.2. Training is provided, so no (先前的) experience is required for the job.3. How can you (容忍) all that noise while you’re working?4. The man is looking at the railway (时刻表) to find the time of the train.5. There is a(n) (开关) on the wall for turning on the lights.6. (循环利用) the textbooks instead of throwing them away isa good idea.7. The volunteer in London Olympics (指引) them back to the seats.8. Keeping an (乐观的) state of mind is good for health.二、七选五补缺题Taking good notes is a time-saving skill that will help you to become a better student in several ways. 1 Second, your notes are excellent materials to refer to when you are studying for a test. Third, note-taking offers variety to your study time and helps you to hold your interest.You will want to take notes during classroom discussions and while reading a textbook or doing research for a report. 2 Whenever or however you take notes, keep in mind that note-taking is a selective process. 3The following methods may work best for you.● Read the text quickly to find the main facts and ideas in it.● Carefully read the text and watch for words that can show main points and supporting facts.●Write your notes in your own words.● 4●Note any questions or ideas you may have about what was said or written.As you take notes, you may want to use your own shorthand(速记). When you do, be sure that you understand your symbols and that you use them all the time. 5A. Use words, not complete sentences.B. There are three practical note-taking methods.C. You must write your notes on separate paper.D. Otherwise, you may not be able to read your notes later.E. You will also want to develop your own method for taking notes.F. That means you must first decide what is important enough to include in your notes.G. First, the simple act of writing something down makes it easier for you to understand and remember it.三、短文改错Two years before, I traveled to Brazil and I rented for a car. Unfortunate, I had an accident and hit another car, and I needed to stay in a hospital for at least two week. I called my parents, so I did not tell them what had happened. I knew that they will be worried about myself because I was so farther away, and that my mother would not sleep if she knew. Therefore, I told them interested stories and how I was enjoying Brazil. As a result, nobody knew truth. I still think that it was the right thing to do.重点单词（必修 5 Unit 3 Life in the future）同步练习参考答案一、单词拼写1. lack2. previous3. tolerate4. timetable5. switch6. Recycling7. guided8. optimistic二、七选五阅读题本文是说明文。