2022届高考英语一轮复习 Unit 2 科技发展与信息技术创新科学精神信息安全练习（含解析）新人教版选修7.doc

1、科技发展与信息技术创新，科学精神，信息安全一、主题语基拓展练(一)主题词汇盘查(已会词汇，在内打“”；欠熟练词汇，多翻阅识记)downloadhouseholdhelpful advanced convenient technology development system promising replace analyse observe value concern breakthrough explore solve simplify engineer invent (二)主题词汇训练.选词填空(有两词多余)download，household，technology，system，repl

2、ace，value，concern， breakthrough， engineer， simplify1. Users can download their material to a desktop PC back in the office.2With the coming of modern technology, many jobs were lost.3An engineer is a person who repairs mechanical or electrical devices.4Our aim is to simplify the complex social secur

3、ity system.5The scientists are trying their best to have a breakthrough in cancer research.6The house now has a market value of one million pounds.7The present system of funding for higher education is unsatisfactory.8A household is all the people in a family or group who live together in a house. .

4、用所给词的适当形式填空1The enose is helpful (help) in killing harmful insects.2The main problem to development (develop) is the countrys large population.3The newspapers described her as a promising(promise) young singer.4The patient was kept under observation (observe) all night.5The invention (invent) of the

5、 computer marked the beginning of a new era.6Although he has sought to find a peaceful solution (solve), he is facing pressure to use greater military force.7It is true during their explorations (explore) that they often faced difficulties and dangers of the most perilous nature.8In the final analys

6、is (analyse) I think our sympathy lies with the heroine of the play.9The course is suitable for beginners and advanced (advance)students.10The hotel is conveniently (convenient) situated close to the beach.二、主题语篇押题练.阅读理解If you live in Washington, DC., or Redwood, Calif., you may have glimpsed a smal

7、l, boxy robot rolling along a local sidewalk, minding its own business, but attracting the attention of many a curious onlooker. The autonomous machines were part of a pilot program last year by Starship Technologies focused on delivering meals from local restaurants in dozens of cities around the w

8、orld.“Today, more than ever, people lead a busy and diverse life，” Lex Bayer, Starships CEO, said in a statement online. “The hassle of needing to rearrange your life for a delivery will become a thing of the past. You dont have to switch your working from home day, reschedule meetings, visit a lock

9、er, drive to a post office or contact a deliveryman all because of a missed delivery.”The package delivery service is not available to everyone just yet. The company said its rolling out the service in Milton Keynes, England. The wheeled robots have a top speed of 4 mph and can detect obstacles from

10、 as far as 30 feet away. “The robot can operate through just about anything，” Nick Handrick, head of operations for Starships DC. office, told The Washington Posts Maura Judkis last year. “If you had something in the way a stick its able to climb the edges of a road.”By giving customers control of w

11、hen deliveries occur, Starship Technologies is offering its service as a way to battle package theft. In its announcement, the company cited statistics from a Wakefield Research Poll for Comcast last year that found that 3 in 10 Americans who live in houses or townhouses have had packages stolen.To

12、sign up for the service, which costs a little more than $10 per month, customers need to download the companys app. Customers then create a “Starship Delivery Address”， a unique address inside a Starship facility, instead of a residence, where they can have packages sent from places such as Amazon.

13、com. Once a package is delivered to the Starship address, customers receive a text that allows them to schedule a home delivery via robot.语篇解读：本文是一篇说明文，主要介绍了一项新科技发明世界上第一个机器人包裹递送服务。1Which can best replace the underlined word “hassle” in Paragraph 2?AFailure.BExpectation.CSafety. DTrouble.解析：选D词义猜测题。根

14、据画线词后的内容介绍的人工投递的不便之处可知，此处指为快递而重新安排生活的麻烦将成为过去，由此可知画线词词义为“麻烦”，故D项正确。2What problem is the delivery robot facing?AThere is a limit to its service area.BIt takes longer to deliver packages.CIt covers a short distance each time.DIt cant sense the barriers 20 feet away.解析：选A细节理解题。根据第三段第一句可知，快递机器人面对的问题是包裹递送

15、服务还不能提供给每一个人，也就是说它的服务范围有限，故A项正确。3How does the package by a robot avoid being stolen?AThe company shortens the delivery hour.BThe package is delivered to the house directly.CIts delivery time is in the control of customers.DThe customers are informed of its delivery time in advance.解析：选C细节理解题。根据第四段第一

16、句可知，通过让客户控制送货时间，该公司将其服务定位为打击包裹盗窃的一种方式，故C项正确。4What can be inferred about Starship Delivery Address in the last paragraph?AIt offers service to the customers free of charge.BIt can arrange delivery robots for the customers.CIt is a cheaper solution to the delivery of packages.DIt sends the packages ma

17、inly to some shopping platforms.解析：选B推理判断题。根据文章最后一句可知，一旦包裹被送到Starship Delivery Address，客户就会收到一条短信，允许他们通过机器人安排一次家庭递送。由此可知，它能够为顾客准备好递送机器人，故B项正确。.完形填空Something quite tragic (悲剧的) happened in our home.It had a 1 effect on our lives.It 2 the way we relax and even where we sit.There was no fire or flood .

18、we 3 our WiFi service for over a week.I was raised in the preWiFi era, so I was relatively 4 to the situation.My children, 5 ， did not have this training.When given the news that there was no WiFi in the house, their first 6 was: “But, what will we do？” Fortunately, the TV still worked, although the

19、 children were 7 to find that it had only 70 channels.For the children, a(n) 8 challenge was homework, most of which is now given online.The lack of broadband seemed to provide a new 9 of “the dog ate my homework” excuse.My daughter 10 that one of her friends had her water supply temporarily 11 due

20、to a leak, but she thought that our lack of WiFi was 12 .“Because you can go to the shop and buy water, right？”My husband and I need the Internet to 13 us to work at home.Luckily, Ive found out that these days you can go to the shop to 14 WiFi.Although expensive, it allows you to set up your own WiF

21、i network 15 .Buying 1GB of data makes you view your broadband differently.I dont want to 16 it like leaving a tap running.We log on to the WiFi network and do what we have to do as 17 as possible and log off.The changes that 18 has created in our daily life have occurred without us really 19 .The 2

22、0 part of our time without WiFi was seeing the children make forts (堡垒) out of the sofa cushions, which they havent done in years.语篇解读：本文是一篇夹叙夹议文，讲述了WiFi对“我”家生活的影响。1A.possibleBmodestCpositive Dhuge解析：选D根据上下文可知，家里没有WiFi对我们生活的影响是巨大的(huge)。possible“可能的”；modest“谦虚的”；positive“积极的”。2A.explored Bchallenged

23、Cimproved Dguaranteed解析：选B根据前一句“It had a 1 effect on our lives.”和下文的“But, what will we do？”可知，平时家里离不开WiFi，现在没有了，当然对我们平时的生活方式产生挑战。explore“探索”；improve“提升”；guarantee“保证”。3A.received BbookedClost Dbought解析：选C根据下文的“When given the news that there was no WiFi in the house”可知，我们家里失去(lost)WiFi服务一个多星期了。receiv

24、e“收到”；book“订购”；buy“购买”。4A.addicted BaccustomedCadmitted Dattached解析：选B根据第二段第一句“I was raised in the preWiFi era”可知，“我”是在没有WiFi的时代长大的，因此对于没有了WiFi也是比较习惯的(accustomed)。be accustomed to表示“习惯于”。5A.however BthereforeCotherwise Dbesides解析：选A根据上下文可推知，“我”习惯无WiFi的生活，但是孩子们不习惯。上下文之间是转折关系，因此选however。6A.impression

25、BinspirationCresponse Drequest解析：选C根据空后的“But, what will we do？”可知，空处指的是他们的第一反应(response)。7A.excited BgratefulCembarrassed Ddesperate解析：选D根据上下文可知，没有WiFi只有电视，且电视频道只有70多个，孩子们很绝望。excited“兴奋的”；grateful“感激的”；embarrassed“尴尬的”；desperate“绝望的”。8A.avoidable BmajorCenjoyable Dsimple解析：选B根据本句的定语从句“most of which

26、is now given online”可知，家庭作业应是孩子们的主要的(major)挑战。avoidable“可避免的”；enjoyable“令人愉快的”；simple“简单的”。9A.version BtranslationCdimension Dcollection解析：选A根据空后的“the dog ate my homework”可知，此处表示没有网络是这种借口的一个新说法，故选A。10A.repeated BpromisedCobserved Dignored解析：选C根据空后的宾语从句“that one of her friends had her water supply te

27、mporarily due to a leak”可知，这些内容应该是女儿讲出来(observed)的。repeat“重复”；promise“承诺”；ignore“忽略”。11A.fixed up Bcut offCused up Dlaid in解析：选B根据该空后的“due to a leak”可推知，水管漏水了，供水会被暂时中断(cut off)。12A.worse BbetterCclearer Dmore解析：选A根据上下文可知，女儿认为我们没有WiFi更糟糕(worse)。13A.force BencourageCremind Denable解析：选D根据上下文可知，为了能够在家工作

28、，丈夫和“我”需要互联网。enable sb.to do sth.表示“使某人能做某事”。14A.look into Bsearch forCpurchase Dborrow解析：选C根据下文的“Although expensive”可知，“我”去商店买(purchase)WiFi。look into“调查”；search for“寻找”；borrow“借”。15A.easily BsecurelyCfirmly Dconstantly解析：选A根据语境可知，买了WiFi，“我”建立自己的网络就容易了。16A.share BanalyzeCstore Dwaste解析：选D根据本句中的“lik

29、e leaving a tap running”可知，我们知道让水管的水不停地流着意味着“浪费”，故选D。17A.steadily BquicklyCproperly Dsmoothly解析：选B根据上下文可知，当“我”上网做事时，“我”是尽快地做。as quickly as possible表示“尽快地”。18A.technology BinformationCknowledge Dintelligence解析：选A根据语境可知，技术已经引起了我们日常生活的改变，这些改变在我们没有注意(noticing)的情况下发生了。19A.reflecting BhearingCappreciating Dnoticing解析：选D参见上题解析。reflect“反思”；hear“听到”；appreciate“欣赏”。20A.rigid BtoughCbright Dnecessary解析：选C根据该空后的“without WiFi was seeing the children make forts (堡垒) out of the sofa cushions, which they havent done in years”可知，没有了WiFi，孩子们可以在一起玩，这是愉快的(bright)事情。