2021届扬州邗江区实验学校高三英语上学期期中试卷及参考答案.pdf
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1、2021 届扬州邗江区实验学校高三英语上学期期中试卷及参考答案 第一部分 阅读(共两节,满分 40 分)第一节(共 15 小题;每小题 2 分,满分 30 分)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 A Bob and Sue Harvey spent nine years as resident fellows in a dormitory at Sanford and in their bookVirtual Reality and The College Freshman,they write“The Freshman oftenfaces an identi
2、ty problem during the first semester.”College is a more pressured environment than it used to be,in part because the academic gap between high school and college has increased.Many college freshmen have never had to make independent decisions about sex,drugs and alcohol.Most dont know how to manage
3、their time or money.They often feel lonely and overwhelmed,resulting in anxiety and depression.Nancy Corbin,director of clinical service for student-counseling(咨询)services at Iowa State University,says her office is seeing a significant increase in requests for counseling from freshmen who are havin
4、g trouble making the adjustment to college life.She says older teenagers increasingly lack the skills to deal with personal problems that arent easily defined or fixed.And they get homesick but have a hard time admitting it.Parents and high schools can make things easier on freshmen by preparing the
5、m differently.For example,by teaching them to budget their hours and dollars.The Harveys think high schools should offer a college-life course.“Parents need to focus more on relationship and personal issues and less on how many sheets and towels to take,”they say.Many homesick freshmen think theyll
6、be regarded as failures if they come home before Thanksgiving.So parents can help by letting them know theyre welcome to return if they feel the need.In the meantime,parents have to find new ways to keep in touch with their college kids.One of the best ways is e-mail.Its less unpleasant and less exp
7、ensive than constant phone calls and is more likely to be answered than a handwritten letter.1.Why is the first semester difficult for freshmen in college?A.Because they often fail in exams.B.Because they lack time and money.C.Because they are too homesick to make new friends.D.Because they have to
8、settle personal issues on their own.2.In the last paragraph,it is suggested that _.A.parents should stop buying anything for their kids B.parents should develop a good relationship with their kids C.parents should be taught how to send e-mails to their kids D.parents should work with high schools in
9、 college-life courses 3.Which of the following might be the best title for the passage?A.Hard Life of College Freshmen B.Approaches to Trouble in College C.Freshmens Adaptation Problems D.A Strange Phenomenon in College B A Virginia teen is doing his part to make sure frontline health care workers a
10、re getting the meals they need to help them take care of themselves and others.Arul Nigam,17,of Tysons Corner,Va.,has had to make several adjustments since his school year ended abruptly in mid-March due to the coronavirus pandemic(新冠疫情).“We didnthave any classes for like over a month and then after
11、 that there were a lot of technical difficulties.So I started to have a lot more free time,”he tells Yahoo Life.“It was really saddening,but it was also something that really surprised me,that our health care workers are facing something like that,”Nigam says.“So I wanted to see what I could do to h
12、elp them because obviously,theyre sacrificing so much and giving so much for all of us.”In late March,the teen started fundraising efforts with the help of friends and family to help these health care workers receive much-needed meals.He also began doing research about what hospitals had the most am
13、ount of coronavirus cases,so he could prioritize those places first.He was also arranging for the orders to be fulfilled at local family-owned restaurants impacted by shutdown orders.So far,Nigam has delivered over 1,000 meals to 22 hospitals in 13 states,including New York,Massachusetts and Marylan
14、d.Nigams efforts have not only helped health care workers,but restaurants as well.With quarantine restrictionstaking a toll onthe food industry,places like Best Coast Burrito in Oakland,Calif.,have lost business over the last few weeks.Best Coasts owner,Alvin Shen,tells Yahoo Life that being able to
15、 partner with Arul and others in efforts to feed those on the frontline has been a big help.4.What would Nigam probably do according to his words?A.Study at home by himself.B.Spend the more free time playing.C.Donate some money to health care workers.D.Do something helpful for health care workers.5.
16、What is Nigams priority when delivering food?A.The urgency of meals.B.The severity of the virus.C.The number of doctors.D.The position of hospitals.6.What does the phrase“taking a toll on”in the last paragraph mean?A.Turning a blind eye to.B.Keeping an eye on.C Causing lots of damage to.D.Answering
17、completely for.7.Where can you probably read this text?A.Science fiction.B.Fashion magazine.C.Life magazine.D.Entertainment newspaper.C This year researchers expect the world to snap 1.35 trillion photographs,or about 3.7 billion per day.All those pixels(像素)take up a lot of room if they are stored o
18、n personal computers or s phones,which is one reason why many people store their images in the cloud.But unlike a hard on drive which can be encrypted to protect its data,cloud storage users have to trust that a tech platform will keep their private pictures safe.Now a team of Columbia University co
19、mputer scientists has developed a tool to encrypt(加密)images stored on many popular cloud services while allowing authorized users to browse and display their photographs as usual.Malicious(恶意的)attempts to access or leak cloud-based photographs can expose personal information.In November 2019,for exa
20、mple,a bug in the popular photograph storage app Google Photos mistakenly shared some users private videos with strangers.Security experts also worry about employees at cloud storage companies on purpose accessing users images.So the Columbia researchers came up with a system called Easy Secure Phot
21、os(ESP),which they presented at a recent conference.“We wanted to see if we could make it possible to encrypt data while using existing services,”says computer scientist Jason Nieh,one of the developers of ESP.“Everyone wants to stay with Google Photos and not have to register on a new encrypted-ima
22、ge cloud storage service.”To overcome this problem,they created a tool that preserves blocks of pixels but moves them around to effectively hide the photograph.First,ESPs algorithm(算法)divides a photograph into three separate files,each one containing the images red,green or blue color1 data.Then the
23、 system hides the pixel blocks around among these three files(allowing a block from the red file,for instance,to hide out in the green or blue ones).But the program does nothing within the pixel blocks,where all the image processing happens.As a result,the files remain unchanged images but end up lo
24、oking like grainy black-and-white ones to anyone who accesses them without the decryption(解密)key.8.Whats probably the main purpose for people to store images in the cloud?A.To save storage room.B.To make photos beautiful.C.To try a new storage way.D.To keep their privacy safe.9.Why might employees i
25、n cloud storage companies be distrusted by experts?A.They sell users passwords.B.They have invented new tools.C.They often let out personal information.D.They may steal a glance at users images.10.Whats the advantage of ESP?A.It can provide clear images.B.It can decrease the upload time.C.It can cla
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