2020-2021学年新教材高中英语 单元综合评估3 UNIT 3 THE INTERNET课时作业(含解析)新人教版必修第二册.doc
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1、单元综合评估三(UNIT 3)时间:120分钟满分:120分第一部分:听力(略)第二部分:阅读理解(共两节,满分35分)第一节:(共10小题;每小题2.5分,满分25分)阅读下面短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。AComputer technology is still developing rapidly.The computer of the future will continue to increase in value and performance while decreasing in cost.It will become smaller,but fas
2、ter and more powerful.It is possible to make some guesses about what the future of the computer will look like,based upon the types of technologies that are being developed now.A lot of progress has already been made in some of these new technologies,but some are still in their earliest stages and m
3、ay not be ready for use for years.Two of the most interesting areas of computing that are currently being developed are quantum computing (量子计算) and nanotechnology (纳米技术)Quantum computing is one possibility for the future of the computer that could make computers run far faster than even the quickes
4、t computers do today.Quantum computers could be able to do what modern supercomputers are unable to do by using transistors that are able to take on many states at the same time.Nanotechnology could also change the face of computing,by creating computers that could be very powerful,though they are t
5、iny in size.These computers could be incorporated (并入) into everyday objects,including electrical appliances (电器),clothes and even the human body.We will be able to use computers in new and unimaginable ways.They will become a part of our lives rather than simply being a box that is used only for sp
6、ecific purposes,such as work.Quantum computing and nanotechnology will be able to play new roles,which will make us live greener lives,as well as enjoy better health and happier lives.未来的计算机会采用量子计算和纳米技术,这样,它将会运行得更快、成本更低并且容量更大。21According to the text,quantum computing _.Ahas been put in use so farBca
7、n make computers run by themselvesCcan reduce the cost of computersDwill work by using transistors答案:D解析:细节理解题。根据第三段中的“Quantum computers could be able to do what modern supercomputers are unable to do by using transistors that are able to take on many states at the same time.”可知,量子计算机采用晶体管来工作,故选D项。2
8、2We can learn from the text that nanotechnology will _.Acreate much smaller computersBbe used in electrical appliances and clothingCchange the structure of computersDmake computers just serve specific purposes答案:A解析:细节理解题。根据第四段中的“Nanotechnology could also change the face of computing,by creating com
9、puters that could be very powerful,though they are tiny in size.”可知,纳米技术将会使未来的计算机变得更小,故选A项。23The text is mainly about_.Awhat nanotechnology isBwhat quantum computing isCwhat the future of the computer isDwhat future computers can bring us答案:C解析:主旨大意题。第一段概括了文章的大意,即未来的计算机的发展,故选C。BTired of all the push
10、ing in supermarkets? Fed up with waiting in endless lines to pay for what you have bought? Angry at wasting time in traffic jams only to find no parking spaces when you eventually arrive at the store? If this is you,then online shopping is the answer to your dreams of troublefree shopping,isnt it?On
11、line shopping brings its own challenges.Here are a few things to bear in mind when browsing (浏览) various websites.The claim made by online sites is that shopping online is a safe and secure way to make purchases.The evidence challenges this.In any case,you only have to be the victim of fraud (诈骗) on
12、ce to experience all the problems that come with this form of stealing.Use only sites that have a trusted history and an excellent reputation.Another problem is the appearance of items in reality is often quite different from what you see on your computer screen.This might not be a problem if you ar
13、e buying washing up powder but could be a major disappointment when that beautiful blue dress you ordered turns up in green.Also,product descriptions are sometimes simply untrue.Perhaps the wisest plan is to purchase items where design and color are not essential to customer satisfaction.Some even a
14、rgue that online shopping indirectly contributes to global warming.Yes,your car can stay parked but how are online goods delivered? Often by some large trucks porting out carbon dioxide(二氧化碳) and adding to our already serious traffic problems.You are also by now becoming increasingly annoyed (使烦恼) b
15、y the fact that the delivery is late and you have wasted the leave from work you have taken to receive it!There is no doubt that online shopping has its benefits.However,perhaps it is not as wonderful as some of its supporters claim it to be.本文主要介绍了网购的缺点。24The author lists several questions in Parag
16、raph 1 to _.Asupport online shoppingBcollect answers from readersCintroduce the topic of the passageDshow his dislike of going shopping答案:C解析:推理判断题。作者在开头接连使用了三个一般疑问句,然后又自己给出回答。作者这样写的目的一是吸引读者的兴趣,二是介绍下面要讨论的话题,即引入本文的主题。25What can we learn about online shopping from Paragraph 3?AWe shouldnt believe prod
17、uct descriptions easily.BIts normal for a blue dress to change into green.CIts usually wise for us to buy colorful products.DProduct appearances are sometimes not good.答案:A解析:推理判断题。根据第三段第一句可知作者建议不要相信某些网上的产品描述。26The author agrees with the fact that _.Acustomers are never satisfied with productsBonlin
18、e shopping is a safe way to make purchasesCdelivery delay often makes online shoppers unhappyDonline shopping has nothing to do with global warming答案:C解析:细节理解题。根据第四段最后一句可知顾客对送货迟了是很生气的。27What is the authors attitude towards online shopping?AVery popular. BA wise choice.CA waste of time. DNot trouble
19、free.答案:D解析:观点态度题。根据最后一段可知网购既有好处,也有它的弊端。CAs technology plays an ever more important role in our daily lives,the subject of eye health and computer usage is becoming increasingly important.Surveys of people working before a computer screen for more than six hours a day have found that over 70 percent
20、 have visual (视力的) problems.In addition,a report has said that as many as 30 percent of American schoolchildren are “causing too much stress on their eyes by using the computer too much”,and it went on to prove a link between premature myopia (过早近视) and computer use.The research has found no evidenc
21、e that computer screens can cause disease or permanent (永久的) damage to the eyes.However,long periods of time working on a computer can lead to tired eyes.You and your employer can reduce this risk by ensuring that your screen is well positioned and properly adjusted,and that the workplace lighting i
22、s suitable.Short,frequent breaks are the best choice.A fivetotenminute break after an hour or so of work is really helpful.There is evidence suggesting that small vision defects (缺陷) that dont cause problems in everyday life may start to cause problems when you carry out more visually demanding task
23、s.In other words,computer screen use could exacerbate existing conditions that you may be unaware of.This is one reason why regular eye tests are so important.Some of the causes can be easily got rid of but one of the most effective ways of looking after your eyes is simply to stop for regular short
24、 breaks.随着科技在我们的生活中占的比重越来越大,电脑对眼睛的危害已经成为人们不可忽视的问题。28What can we learn from the second paragraph?ASchoolchildren are more likely to have eye problems.BPeople should work less than six hours.CUsing a computer too much can cause eye problems.DWorking on a computer is very effective.答案:C解析:细节理解题。根据第二段“S
25、urveys of people working before a computer screen for more than six hours a day have found that over 70 percent have visual(视力的)problems.”可知,使用电脑过多会影响眼睛的健康。29Employees can do all of the following things to reduce the risk of eye damage EXCEPT _.Apositioning the computer properlyBmaking sure the ligh
26、t in the office is suitableCtaking frequent breaks when using a computerDwearing glasses when working on a computer答案:D解析:细节理解题。根据第三段“You and your employer can reduce this risk by ensuring that your screen is well positioned and properly adjusted,and that the workplace lighting is suitable.Short,fre
27、quent breaks are the best choice.”可知A、B、C项正确,没有D项。故选D。30What does the underlined word “exacerbate” in the third paragraph mean?AMake something better.BMake something worse.CMake something more obvious.DMake something easier.答案:B解析:词义猜测题。根据第三段“There is evidence suggesting that small vision defects(缺陷
28、) that dont cause problems in everyday life may start to cause problems when you carry out more visually demanding tasks.”可知,使用电脑可以使你以前没有察觉的但已经存在的问题“恶化”,所以B项正确。第二节:(共5小题;每小题2分,满分10分)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项是多余选项。People around the world used their computers to buy goods,communicate with ot
29、hers,listen to music,see pictures and learn about different places and ideas.In 2006,more people around the world used new ways to communicate and connect with each other through the Internet.31_A_ Blog is a short way of saying Web log.Through these personal websites,people can share their experienc
30、es,ideas and opinions with anyone on the Internet.People of all ages have their own blogs.For young people,they are a way to show their writings and other forms of selfexpression.32_D_ These sites include “MySpace”,used mainly by teenagers and young adults.MySpace is an online community that lets pe
31、ople share messages and pictures with an increasing number of friends.33._G_YouTube is another Internet site that became more popular this year.This website lets anyone create,share and watch short videos.People can watch almost anything on YouTube:news,sports and entertainment events.34._E_These in
32、clude videos of people singing or dancing,or animals doing funny things.Three young men created YouTube almost two years ago as a personal video sharing service.They recently sold it to Google for more than one half billon dollars.Games and entertainment also became a larger part of the Internet thi
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