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1、Unit 3-The world of science达标测试卷时间：100分钟满分：120分选择题部分第二部分阅读理解(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和D四个选项中，选出最佳选项。AIts surprising how much simple movement of the body can affect the way we think.Using expansive gestures with open arms makes us feel more powerful,crossing your arms makes
2、you more determined and lying down can bring more insights.So if moving the body can have these effects,what about the clothes we wear?Were all well aware of how dressing up in different ways can make us feel more attractive,sporty or professional,depending on the clothes we wear,but can the clothes
3、 actually change cognitive performance or is it just a feeling?Adam and Galinsky tested the effect of simply wearing a white lab coat on peoples powers of attention.The idea is that white coats are associated with scientists,who are in turn thought to have close attention to detail.What they found w
4、as that people wearing white coats performed better than those who werent.Indeed,they made only half as many errors as those wearing their own clothes on the Stroop Test(one way of measuing attention).The researchers call the effect “enclothed cognition”,suggesting that all manner of different cloth
5、es probably affect our cognition in many different ways.This opens the way for all sorts of clothes-based experiments.Is the writer who wears a fedora more creative?Is the psychologist wearing little round glasses and smoking a cigar more insightful?Does a chefs hat make the restaurant food taste be
6、tter?From now on I will only be editing articles for PsyBlog while wearing a white coat to help keep the typing error count low.Hopefully you will be doing your part by reading PsyBlog in a cap and gown(学位服).1.What is the main idea of the text?A.Body movements change the way people think.B.How peopl
7、e dress has an influence on their feelings.C.What people wear can affect their cognitive performance.D.People doing different jobs should wear different clothes.2.Adam and Galinskys experiment tested the effect of clothes on their wearers.A.insightsB.movementsC.attentionD.appearance3.How does the au
8、thor sound in the last paragraph?A.Academic.B.Humourous.C.Formal.D.Hopeful.BWe humans love to stare into our smart devices.We gaze for hoursabout 10 hours and 39 minutes a dayat our computers,smartphones,tablets and televisions.Is all this staring bad for us?It might be,mainly because as we stare at
9、 our devices we are exposing ourselves to blue light.Blue light is a type of electromagnetic radiation with a very short wavelength that produces a high amount of energy.While its true that light can damage our eyes under certain circumstances,theres no scientific evidence suggesting that blue light
10、 is harmful to our eyes.But many people still think it is,which is why blue light-blocking glasses are so popular.So,do the glasses work?“Everyone is very concerned that blue light may be causing damage to the eye,but theres no evidence that it may be causing serious damage,” Dr Rahul Khurana,a clin
11、ical spokesman,told Business Insider.Blue light exposure is nothing new.In fact,the sun is the largest source of blue light.Moreover,blue light is also present in LED light.But if blue light isnt harmful,then why are we constantly rubbing our eyes when were looking at our screens?The answer is eyest
12、rain(眼疲劳).More than 60 percent of people experience eye problems associated with digital eyestrain.And blue light,it seems,isnt the cause.Instead,our eyes are so strained because most of us blink less when we stare at our digital devices.So,if eyestrain is the real issue,blue light-blocking glasses
13、are probably of little use.4.What can be inferred from Paragraph 4?A.Rubbing eyes makes people strained.B.Blue light exposure is hardly avoidable.C.Blue light may connect with tired eyes.D.Eye problems are not easy to deal with.5.According to the text,wearing blue light-blocking glasses may be .A.us
14、elessB.harmfulC.tiringD.beneficial6.What do we know about blue light?A.It has the shortest wavelength.B.Its a kind of nuclear radiation.C.It consumes a great deal of energy.D.It may come from electronic devices.7.What causes the popularity of blue light-blocking glasses?A.Evidence of their benefits
15、to eyes.B.Widespread use of smart devices.C.Belief in blue lights harmful effect.D.Scientific understanding of blue light.CDyson has just unveiled its second beauty gadget and its certainly going to make waves in more ways than one.The Airwrap(卷发棒) is the much anticipated follow-up to the Supersonic
16、 hairdryer which proved a huge hit despite the 299 cost.This new gadget promises to be a whole new way to create waves and smooth blow-dries,but the price alone is enough to make your hair curl,coming in at an even heftier 399.So what,exactly,is your money buying you? Can there really be THAT differ
17、ent a way to curl your hair?Well,this being Dyson,the answer is yes.Its radically different from your typical curling irons that involve you physically winding your hair around a scorching-hot barrel.The new Airwrap technology uses jets of air to attract your hair onto the curling barrel,automatical
18、ly wrapping it and shaping it.All you have to do is place a section of hair close to the styler,and itll wind itself around the styler by a (literally) invisible force.If youre a beauty geek,you might like to know that force has a name the Coanda Effect.This occurs when a high speed jet of air flows
19、 across a surface and the difference in pressure makes the air flow (and any hair that gets caught up in its wake) attach itself to that surface.Dyson says the Coanda effect enables you to shape your hair at far lower temperatures than regular styling,which translates into less damage.Like the Super
20、sonic dryer,the Airwrap employs “intelligent heat control”,measuring the temperature up to 40 times a second to ensure the heat never reaches the point where your hair is frazzled to the point of no return.The Airwrap comes with different attachments,depending on the style you want to achieve.You ca
21、n either go for a wavy look with the curling barrel or use the Coanda effect to guide your hair onto the brush attachment,replicating a salon style blow dry without the arm ache.“Once my hair was wrapped in place and had been sufficiently whooshed for a few seconds,I hit the cool button to set the s
22、tyle,then slid the styler out of my hair.I felt shocked,proud,ecstatic,disbelieving.It was kind of like childbirth without the mess.”Then again,many people were initially sceptical about the idea of coughing up nearly 300 for a hairdryer,yet the Supersonic has blown away all the doubters.Whos to say
23、 the Airwrap wont be our new best curl friend?The Dyson Airwrap is available at Dyson online and in Dyson stores.8.Compared with the Supersonic hairdryer,the Airwrap.A.is much biggerB.is more expensiveC.couldnt dry hairD.needs more energy9.What does the underlined sentence mean?A.Is it worth your mo
24、ney?B.Is it what you really want?C.Could it curl your hair?D.Is it affordable for you?10.What do we know about the Airwrap?A.It does little harm to your hair.B.You need to wind your hair around the styler by force.C.The “intelligent heat control” is unique to the Airwrap.D.The key technology can ens
25、ure the temperature high enough to shape your hair.11.How does the customer feel when she uses the Airwrap for the first time?A.Satisfied.B.Disappointed.C.Embarrassed.D.Skeptical.DMedha Gupta sometimes felt worried making the 20-minute walk from the corner where the school bus dropped her off to her
26、 home in Herndon,Va. especially during the colder months in winter.Her mother,Divya Gupta had a suggestion:write an app.She was half-kidding,but Medha took the challenge seriously.So she went to work.The result was Safe Travel,an app designed by Medha to help walkers feel more secure when travelling
27、 alone.Using the iPhone,a person can program it to send a warning to someone he or she trusts if he or she fails to arrive at a destination within a certain time.It was the first iOS app that Medha had created.While she didnt think much would come from the project,her effort caught the eye of judges
28、 for the annual Congressional App Challenge,who selected her as the winner for Virginias 10th District.The App Challenge is designed to encourage students to consider careers in science,technology,engineering,and math by experimenting with coding and computer science.Winning students are invited to
29、attend a reception on Capitol Hill in April and also received $250 in Amazon Web Service credits.Medha said it took her about 40 hours to design,program and test the app.As for her next app?Medhas not certain.She temporarily has her app-development ambitions on hold because shes busy teaching hersel
30、f artificial intelligence to help deal with improper words on Facebook.Yes,she knows that there are teams of engineers probably doing the same thing.But she figures it cant hurt her own part,too.“If we see something wrong with the world,we should do something about it,”she said.“After all,the only o
31、ne stopping us from doing something is ourselves.”12.What does the underlined phrase “on hold” in Paragraph 6 mean?A.Delayed.B.Developed.C.Suspected.D.Satisfied.13.What is Medhas attitude to the challenge?A.Curious.B.Sensitive.C.Uncertain.D.Optimistic.14.Whats the main idea of the text?A.Medha regis
32、tered for the App Challenge.B.Medha designed Safe Travel successfully.C.The App Challenge directs students to choose careers.D.An app guides walkers home.15.Why did Medha Gupta feel worried?A.It took a long time to walk home.B.It was colder than ever in winter.C.It was unsafe to walk home alone.D.It
33、 was difficult to write an app.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。选项中有两项为多余选项。Self-driving cars are believed to be the future of driving.Companies including Toyota,Uber and Google are all competing to be the first to bring them to the market.However,carmakers need to solve one problem
34、 first:1 Most drivers today use gestures to show their intentions.They wave a car into a lane,or nod at passers-by and cyclists,to let them cross.2So what can they do?US carmaker Ford and its partner Virginia Tech think they have the answer,according to Business Insider.3For example,if a driverless
35、car is giving way,it could flash two white lights side to side.A solid white light would tell people nearby that there are no humans in the car.A slow blinking light would show the car is coming to a stop.4To test the method on real roads,the team designed a special suit that looks exactly like a ca
36、r seat.When a driver wears it,it looks like the car is driverless.The team successfully collected more than 1,500 hours of data after about 2,900 kilometres of “self-driving” through busy cities.5Ford says it plans to share the data with 11 other carmakers,according to DOGO News.Ford hopes that in t
37、he future,every carmaker will use the same system of signals.A.But self-driving cars dont have this ability.B.Its a test for the companys self-driving technology.C.The data recorded how people interacted with a driverless vehicle.D.How driverless cars communicate with passers-by,bikers and other dri
38、vers?E.A rapidly flashing light would tell passers-by that a car is about to speed up.F.More than one-third of them are worried about the safety of self-driving cars.G.The team is testing the method that uses light signals to show what self-driving cars are.第三部分语言运用(共三节，满分40分)第一节完形填空(共15小题；每小题2分，满分3
39、0分)阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。I never expected to go to the University of Michigan.I grew up in a small Midwest town where college wasnt 1by any means.Many students entered the workplace straight out of high school.For a long time,that is where I thought I would end up.During my sen
40、ior year,I started 2 everywhere.I had the required grades and the ACT (American College Testing) 3, but I came from a town of nowhere.So you can imagine the emotions of 4 I had when I received a big envelope in the mail with the word “5” written across the top.Now that the opportunity was open to me
41、,I decided to go.I had received 6aid and scholarships,which I think was a 7factor in the decision.But no matter how much work I 8, my parents considered a waste of 9.I often felt I was lacking 10.I did the application all by myself.After moving to the college,I did two jobs and paid for my 11and bil
42、ls.Looking back on it now,I feel that it wasnt 12to be self-reliant.But in the long run,I 13the lack of support I had at such a key point in my life which taught me to be 14and responsible in hard times,to go beyond 15and to try things I never thought I would ever be able to try.I believe thats what
43、 college is all about.1.A.expectedB.enviedC.admiredD.afforded2.A.deliveringB.applyingC.registeringD.competing3.A.qualificationsB.diplomasC.scoresD.certificates4.A.anxietyB.reliefC.calmnessD.conflict5.A.WishesB.RegardsC.CheersD.Congratulations6.A.financialB.spiritualC.academicD.parents7.A.boringB.dri
44、vingC.discouragingD.promising8.A.get inB.take inC.put inD.persist in9.A.spaceB.moneyC.resourceD.time10.A.supportB.courageC.motivationD.concern11.A.feastsB.necessitiesC.seminarsD.majors12.A.hardB.rightC.easyD.awkward13.A.ignoreB.appreciateC.forgetD.disapprove14.A.independentB.easy-goingC.honestD.cons
45、iderate15.A.recognitionB.descriptionC.controlD.expectation非选择题部分第二节 语篇语法填空(共10小题；每小题1分，满分10分)阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。A woman suddenly 1.(go) blind in one eye after playing a mobile phone game for a whole week in Guangdong Province last month.The unnamed woman admitted to 2.(regular) play
46、ing the game for seven or eight hours without moving and finally lost 3.(she) right eyesight.The game,Arena of Valor 4.(know) as Honor of Kings,has become hugely popular in China and is due to be released across the US and Europe.Being 5. worlds most popular online battle game,it has over 200 millio
47、n players in China.The battle game 6.(put) together a team of five players who have to fight others in a fantasy land filled 7. characters,and players can buy extra features while playing.The eye injury follows a series of 8.(incident).In June,a child in Shenzhen stole 30,000 yuan (3,450) from his p
48、arents to buy add-ons,and a 13-year-old in Hangzhou,severely injured his legs after jumping from a five-storey building to escape from his father 9. was trying to stop him playing.In a country in which 60 percent of the population have a smartphone,the game has been highly 10.(success),partly because it is free to play.第四部分写作(满分40分)第一节 应用文写作（15分）假如你是李华,你市将举办国际马拉松赛,请你给外教John发一封电子邮件,邀请他一起报名参加。主要内容包括:1