2020-2021学年高中英语 Unit 3 Computers Section Ⅲ Grammar课后习题（含解析）新人教版必修2.docx

1、Unit 3 ComputersSectionGrammar课后篇巩固提升一、单句语法填空1.In the last few years thousands of films (produce) all over the world.答案have been produced2.Following his recent rise to fame,Rizea (ask) by many cities,including the capital of Romania to transform their old tree trunks into works of art.答案has been ask

2、ed3.After getting lost in a storm,a member of the navy team (rescue) four days later.答案was rescued4.Housework is a frequent source of argument between lazy husbands and their hard-working wives,but women (warn) not to expect men to do equal housework any time soon.答案have been warned5.Debbie (not all

3、ow) to drive for six months.答案has not been allowed6.If Justin (take) away by aliens too,I hope they will return him soon.答案has been taken7.The world record (break)for many times by Chinese.答案has been broken8.The workman (just interview) by the engineer,who was pleased to see him.答案has just been inte

4、rviewed9.The house (not paint) for years.答案hasnt been painted10.Shakespeares play Hamlet(make)into at least ten different films over the past years.答案has been made11.Will you attend the meeting this afternoon?But up till now I (not tell)anything about that.答案havent been told12.A lot of high-rise bui

5、ldings (put) up in the business district already.答案have been put13.How long you (employ) as a firefighter?Since 1990.答案have;been employed14.Unfortunately,with the development of industrialization,the environment (pollute).答案has been polluted15.A bedroom,after all,is a very private space,in which som

6、e woman I dont even know (immortalize).答案has been immortalized二、将下列句子变为主动语态1.The room has been booked by Tom.答案Tom has booked the room.2.So far about 40 works of art have been created by him in the local parks.答案So far he has created about 40 works of art in the local parks.3.The animals habitat in

7、Antarctic has been seriously affected by tourism.答案Tourism has seriously affected the animals habitat in Antarctic.4.Networks and processes have been limited to one factory by them since then.答案They have limited networks and processes to one factory since then.三、使用被动语态完成句子1.(许多树已经被种植) behind his hou

8、se.答案Many trees have been planted2.The important problem (已经被讨论一周了).答案has been discussed for a week3.Table tennis (长期受到称赞) for its ability to improve attention and concentration.答案has long been praised4.No book (被人买过) since last week.答案has been bought5.Many new buildings (在过去的十年中被建造起来).答案have been b

9、uilt in the past ten years6.His father left home in 1998,and (从那以后再也没有收到过他的消息).答案has not been heard of since then7.For some reason I (总是被吸引) to older people much more than children.答案have always been drawn8.A new hospital(已被建起) in what was a wasteland.答案has been built9.Throughout history,different m

10、an-made languages (已经被发明).答案have already been invented10.How many times have you (被告知) not to play with fire?答案been told四、阅读理解(2019全国)As data and identity theft becomes more and more common,the market is growing for biometric(生物测量) technologieslike fingerprint scansto keep others out of private e-sp

11、aces.At present,these technologies are still expensive,though.Researchers from Georgia Tech say that they have come up with a low-cost device(装置) that gets around this problem:a smart keyboard.This smart keyboard precisely measures the cadence(节奏) with which one types and the pressure fingers apply

12、to each key.The keyboard could offer a strong layer of security by analyzing things like the force of a users typing and the time between key presses.These patterns are unique to each person.Thus,the keyboard can determine peoples identities,and by extension,whether they should be given access to th

13、e computer its connected toregardless of whether someone gets the password right.It also doesnt require a new type of technology that people arent already familiar with.Everybody uses a keyboard and everybody types differently.In a study describing the technology,the researchers had 100 volunteers t

14、ype the word “touch” four times using the smart keyboard.Data collected from the device could be used to recognize different participants based on how they typed,with very low error rates.The researchers say that the keyboard should be pretty straightforward to commercialize and is mostly made of in

15、expensive,plastic-like parts.The team hopes to make it to market in the near future.1.Why do the researchers develop the smart keyboard?A.To reduce pressure on keys.B.To improve accuracy in typing.C.To replace the password system.D.To cut the cost of e-space protection.答案D解析细节理解题。根据第一段描述及第二段第一句“Rese

16、archersfromGeorgiaTechsaythattheyhavecomeupwithalow-costdevicethatgetsaroundthisproblem:asmartkeyboard.”可知,研究者研发了智能键盘是为了降低电子空间保护的成本。故选D项。2.What makes the invention of the smart keyboard possible?A.Computers are much easier to operate.B.Fingerprint scanning techniques develop fast.C.Typing patterns v

17、ary from person to person.D.Data security measures are guaranteed.答案C解析细节理解题。根据第二段第四、五句“Thesepatternsareuniquetoeachperson.Thus,thekeyboardcandeterminepeoplesidentities.”可知,正是由于每个用户都有自己独特的击打键盘的模式,才使得研发智能键盘用以识别用户身份成为可能。故选C项。3.What do the researchers expect of the smart keyboard?A.Itll be environment-

18、friendly.B.Itll reach consumers soon.C.Itll be made of plastics.D.Itll help speed up typing.答案B解析细节理解题。根据文章最后一句“Theteamhopestomakeittomarketinthenearfuture.”可知,研究者们希望这种智能键盘在不久的将来能够面世,供消费者使用。故选B项。4.Where is this text most likely from?A.A diary.B.A guidebook.C.A novel.D.A magazine.答案D解析文章出处题。通读全文可知,作者

19、客观介绍了佐治亚理工学院的研究者们新开发了一种键盘,它能根据用户打字模式准确识别出使用者。键盘使用常见的廉价材料,因此在成本和耐用性上都有很强竞争力,有望不久可以投入市场。故选D项。五、七选五Here are some easy steps for you to stay safe and secure on the Internet.1 Never give out your full name,address and phone number,unless it is a safe site or it is a well-known site.Protect your money.Do

20、not give out your card information unless it is a secure site.You can tell if the site is safe by looking at the lower part of your screen.2 If it is locked,the site is secure.“Unlocked” means that you should not give a card number.Dont believe “Get Rich Quick!” If it sounds too good to be trueit is

21、!If you get an e-mail that says you can make thousands of dollars in a few days,it isnt true.Most likely it will cost you in the end.3A good virus scan(杀毒软件).Update your virus scan.4 When you buy a virus scan,it may have been on the shelves for months,so you need to update it frequently.5 Do not ope

22、n e-mail attachments(附件) that are programs.Receiving these programs in e-mail is harmless,but opening and running them can be dangerous.A.There is a small lock.B.Stay away from these offers!C.New viruses come out daily.D.There are always some unsafe sites.E.Protect yourself from dangerous e-mail vir

23、uses.F.Dont give out personal information.G.Keep your main e-mail address private.答案15 FABCE六、选词创境运用下列写作词汇,自己创设一个语境,形成一个小语段。(35句)type,so.that.,with the help of,as a result,solve参考范文My grandpa is 70 years old.He couldnt type in the beginning,but he was so interested in the Internet that he came to me and hoped I could help him solve the problem.I was glad to teach him.He worked very hard.Asaresult,two weeks later he could type his name.Withthehelpofme,now he can chat with others on the Internet.