2020-2021学年英语人教选修7课后习题：UNIT 2　SECTION Ⅲ— GRAMMAR WORD版含解析.docx

1、SectionGrammar课后篇巩固提升一、完成句子1.No one likes (被别人嘲笑).答案to be laughed at by others2.Im glad (被给了这次机会) to visit your country.答案to have been given the chance3.(被人爱) is a happy thing.答案To be loved4.The book is said (已被译成了英语).答案to have been translated into English5.He hurried to the theatre (结果被告知票已经卖光了).答案

2、only to be told that the tickets had been sold out二、变式训练1.Ill try my best to make it easy to understand the text.=Ill try my best to make the text easy .答案to understand2.We need to do more work to achieve the final success.=More work needs to achieve the final success.答案to be done3.The boy asked us

3、to give him an opportunity to try again.=The boy askedan opportunity to try again by us.答案to be given4.Two more bridges will be built here in the coming year.=Two more bridges will be built here in the year .答案to come5.These flowers dont need watering,for it rained last night.=These flowers dont nee

4、d ,for it rained last night.答案to be watered三、阅读理解ALast year I ruined my summer vacation by bringing along a modern convenience that was too convenient for my own good:the iPad.Instead of looking at nature,I checked my e-mail.Instead of paddling a small boat,I followed my Twitter feed(推特简讯).Instead o

5、f reading great novels,I stuck to reading four newspapers each morning.I was behaving as if I were still in the office.My body was on vacation,but my head wasnt.So this year I made up my mind to try something different:withdrawal(退出) from the Internet.I knew it wouldnt be easy,since Im bad at self-c

6、ontrol.But I was determined.I started by giving the iPad to my wife.The cellphone signal at our house was worse than in the past,making my attempts at cheating an experience in frustration(沮丧).I was trapped and forced to go through with my plan.Largely cut off from e-mail,Twitter and my favourite ne

7、wspaper websites,I had few ways to connect to the world except for the radioand how much radio can one listen to,really?I had to do what I had planned to do all along:read books.This experience has had a happy ending.With determination and the strong support of my wife,I won in my vacation struggle

8、against the Internet,realising finally that it was I,not the iPad,that was the problem.I knew I had won when we passed a Starbucks and my wife asked if I wanted to stop to use the Wi-Fi.“I dont need it,”I said.However,as we return to post-vacation life,a harder test begins:can I continue when Im bac

9、k at work?There are times when the need to know whats being said right now is great.I have no intention of giving up my convenience completely.But I hope to resist the temptation(诱惑) to check my e-mail every five minutes,which leads to checking my Twitter feed and a website or two.I think a vacation

10、 is supposed to help you reset your brain to become more productive.Here I hope this one worked.1.What do we know about the authors last summer vacation?A.He was determined to enjoy the beautiful view.B.His iPad ruined his plan of finishing a great novel.C.He felt satisfied that he had stuck to his

11、usual timetable.D.He hated himself for acting as if he were working on vacation.答案D解析细节理解题。根据第一段的最后两句“IwasbehavingasifIwerestillintheoffice.Mybodywasonvacation,butmyheadwasnt.”可知,作者对假期不满意,虽然身体在度假,但精神却没有度假。2.What did the author do to keep away from the Internet this year?A.He handed his iPad to his w

12、ife.B.He cut off his cellphone signal.C.He refused to cheat in his house.D.He listened to the radio most of the time.答案A解析细节理解题。根据第二段的最后一句“IstartedbygivingtheiPadtomywife”可知,为了抵制网络的诱惑,作者将iPad交给了妻子。3.When back at work,the author will probably choose to .A.stay away from the Internet for everB.continu

13、e to read more and more booksC.keep control of when and how to use the InternetD.stop checking what is being said right now completely答案C解析推理判断题。根据倒数第二段中的“Ihavenointentionofgivingupmyconveniencecompletely.ButIhopetoresistthetemptation.”可推知,作者并没打算彻底放弃使用网络,但他将努力抵制网络的诱惑。4.What is the authors opinion of

14、 a great vacation in the passage?A.A vacation is having nothing to do but read all day.B.A vacation proves that a life of pleasure is overvalued.C.A vacation is a period of time to do whatever one wishes to.D.A vacation means a change of pace to make one more creative.答案D解析细节理解题。根据末段第一句可知,作者认为,假期意味着

15、重启大脑,让自己更具有创造性。BAs Internet users become more dependent on the Internet to store information,are people remembering less?If you know your computer will save information,why store it in your own personal memory,your brain?Experts are wondering if the Internet is changing what we remember and how.In a

16、 recent study,Professor Betsy Sparrow conducted some experiments.She and her research team wanted to know how the Internet is changing memory.In the first experiment,they gave people 40 unimportant facts to type into a computer.The first group of people understood that the computer would save the in

17、formation.The second group understood that the computer would not save it.Later,the second group remembered the information better.People in the first group knew they could find the information again,so they did not try to remember it.In another experiment,the researchers gave people facts to rememb

18、er,and told them where to find the information on the computer.The information was in a specific computer folder(文件夹).Surprisingly,people later remembered the folder location(位置) better than the facts.When people use the Internet,they do not remember the information.Rather,they remember how to find

19、it.This is called“transactive memory(交互记忆).”According to Sparrow,we are not becoming people with poor memories as a result of the Internet.Instead,computer users are developing stronger transactive memories;that is,people are learning how to organise huge quantities of information so that they are a

20、ble to access it at a later date.This doesnt mean we are becoming either more or less intelligent,but there is no doubt that the way we use memory is changing.5.The passage begins with two questions to .A.introduce the main topicB.show the authors attitudeC.describe how to use the InternetD.explain

21、how to store information答案A解析文章结构题。议论文常以设问的形式提出论点,然后逐步论证。本文主要谈论的就是电脑储存对记忆的影响这一话题。因此可以看出,这两个设问引出了全文的论题。6.What can we learn about the first experiment?A.The Sparrows team typed the information into a computer.B.The two groups remembered the information equally well.C.The first group did not try to rem

22、ember the information.D.The second group did not understand the information.答案C解析细节理解题。由第二段的最后一句可知,由于第一组受测人知道电脑会储存而且信息可以再次找到,他们就没有试图记忆这些信息。7.In transactive memory,people .A.keep the information in mindB.change the quantity of information C.organise the information like a computerD.remember how to fi

23、nd the information答案D解析细节理解题。第三段用实例解释了“交互记忆”这个概念。从本段内容可知,另一实验的受测人没有记忆信息本身,而是记住了信息存储的位置。8.What is the effect of the Internet according to Sparrows research?A.We are using memory differently.B.We are becoming more intelligent.C.We have poorer memories than before.D.We need a better way to access infor

24、mation.答案A解析推理判断题。由短文最后一句可以看出,Sparrow的实验表明,人们没有因为电脑而变得聪明或愚蠢,但是使用电脑改变了人们记忆的方式。四、七选五阅读理解The days when a cellphone was used for nothing beyond calling and texting are gone.Today,we turn smart phones into magical machines with apps that transform them into musical instruments or business machines or vid

25、eo players.But it turns out that we are only searching the surface.Who knew that smart phones would make pretty good satellites?1.SmartphonesforecasttheweatherNetworking expert OpenSignal has discovered something interesting:the sensors in Android phones designed to measure battery temperature,light

26、,pressure and so on can be used to generate surprisingly accurate weather reports.2.SmartphonessavetherainforestsDetecting illegal logging(盗伐) may sound like a novel app,3:in Indonesia,the non-profit organisation Rainforest Connection wants to use donated Android phones to detect illegal logging.As

27、NewScientist reports,“The phones are equipped with solar panels specifically designed to take advantage of the brief periods when light reaches the forest floor.Their microphones stay on at all times,and the software listens for the sound of a chainsaw(链锯).”4Researchers at the university of Illinois

28、 have developed an iPhones app that turns the phone into a fully featured mobile medical lab that uses the phones camera to detect proteins,bacteria,viruses and other organisms.SmartphonesdrivecarsGoogles self-driving cars carry around $30,000 of high-tech hardware and sensors,but students at Austra

29、lias Griffith University think they can get the job done with a single smart phone.5.A.but its a serious businessB.Here are some uses for smart phones the makers probably didnt imagineC.so it can be used to detect the sound of a chainsawD.It has been used in many fieldsE.Get enough phones involved a

30、nd you will have a weather sensing networkF.Smart phones serve as mobile medical labsG.They have built a model that relies mainly on the phones camera and built-in GPS答案15 BEAFG五、语篇填空Before the invention of the postage stamp,it was difficult to send a letter to another country.The sender paid for th

31、e letter 1.(travel) in his or her own country.Then the person in the 2. country paid for that part of the trip.If a letter crossed several countries,the problem was 3.(bad).Rowland Hill,a British teacher,had the idea of a postage stamp with glue on the back.The British post office made the first sta

32、mps 4. 1840.They were the Penny Black and the Twopence Blue.A person 5.(buy)a stamp and stuck it on a letter.The post office delivered 6. letter.When people received letters,they didnt have to pay anything.The letters were prepaid.Postage stamps became popular in Great Britain 7.(immediate).Other co

33、untries started making 8.(they) own postage stamps very quickly.Today post offices in every country sell beautiful stamps.9.(collect) stamps is one of the most popular 10.(hobby) in the world,and every stamp collector knows about the Penny Black and the Twopence Blue.答案1.to travel2.other3.worse4.in5

34、.bought6.the7.immediately8.their9.Collecting10.hobbies六、选词创境运用下列词汇,自己创设一个小语境,形成一个小语段。set aside,be bound to,digital,receiver,staff,junior,talent,obey,navy,thinking参考范文Im working in a factory,which produces receivers.One day,I had an idea that I wasboundtosetaside some money every month to buy a digital camera.I learned photography when I served in the navy and the staff said I had a talent for photography.However,my wife,a teacher in a junior middle school,was strongly against it.She said that she would divorce me unless I changed my thinking.At last,I had to obey her and gave up the idea.