2020-2021学年高中英语人教版必修第二册课后习题：UNIT 3　SECTION Ⅲ　DISCOVERING USEFUL STRUCTURES WORD版含解析.docx

1、SectionDiscoveringUsefulStructures课后训练提升一、单句改错1.The window has cleaned by the students on duty.答案has后加been2.The train has been disappeared in the distance.答案去掉been3.The bookstore has been opened since 1999.答案openedopen4.A gift was given his grandma last night.答案在given后加to5.Much attention has been pa

2、id Toms handwriting.答案在paid后加to6.Tony was made cry by his little sister.答案在made后加to二、选词填空functionconfirmpressmake a commentfilebutton1.Dont work or study under too much .答案pressure2.Ill have the machine repaired for it doesnt properly.答案function3.Its impolite to on what others are wearing.答案make a c

3、omment4.I called to the exact time of the conference.答案confirm5.Your application will be kept on .答案file6.A of his overcoat has come off.答案button三、七选五阅读理解ItsTimetoPutItAwayYour smartphone may have hurt you before you realise it.Dont be addicted to it.Put your phone away,OK?1.CyberSicknessAlso called

4、 “digital motion sickness”,symptoms that range from headaches to woozy(眩晕的) feelings can occur when you quickly scroll on your smartphone or watch action-packed videos on your screen.1 Your sense of balance is different from other senses in that it has lots of inputs.When those inputs dont agree,tha

5、ts when you feel dizziness and sickness.2.TextClawIt is the unofficial term for soreness and muscle contraction felt in the fingers,wrist and forearm after heavy smartphone use.2 So if youre always on your phone,it makes sense to feel discomfort in your hands and forearms.3.EyeStrain(疲劳)Do you stare

6、 at a screen for hours on end?If youre doing this,you very well might suffer eye strain.3 Staring at your digital devices for a long time can lead to dry eyes,headaches and tiredness,which can decrease your productivity.Experts suggest taking screen breaks every 20 minutes.4.TextNeckSimilar to the c

7、law,text neckdiscomfort in the neck and spine,happens when you spend a long time looking down at your smartphone.4 Being mindful of how far your neck bends when youre on your phone,and bending it back to an upright position can help reduce the risk of text neck.5.PedestrianSafetyPedestrian deaths ar

8、e on the rise because too many smartphone users engage in distracted walking.While focused on the cyber world,many of us can lose reality of the physical one.Elemental pedestrian safety knowledge is compromised by technology,and the risks are scary.5A.We should take breaks for a while.B.The sensatio

9、n results from a mismatch between sensory inputs.C.Remember that pedestrian safety is more important than smartphone.D.The habit may lead to people requiring medical spine care at a younger age.E.To avoid injury or worse,put your phone away until youve reached a safe spot.F.Any specific motor activi

10、ty can cause pain in the tendons(筋) and muscles when done repeatedly.G.Any activity that requires active use of your eyesdriving and reading included,can cause eye tiredness.答案1.B2.F3.G4.D5.E四、完形填空My mother was a responsible teacher and she retired.So I decided to give her one of my old computers to

11、 help her pass the time.She had a little bit of computer 1,so I just set it up for her and let her 2 with it on her own.As time went on,I 3 the computer was hardly touched.She said she didnt know 4 to use it.I decided to teach her.I sat and 5 everything and she seemed OK with what I said.Unfortunate

12、ly,my sister called me at that moment 6 we talked on the phone for an hour.Then when I saw her again,she was sitting in front of the computer,looking quite 7.The screen saver(屏幕保护程序) had appeared and she didnt know how to 8 it off.She had tried 9 every key and it didnt work.I told her,“Just 10 the m

13、ouse a little.” What I meant was that she just needed to move the mouse around to 11 the computer up.What she did was to 12 the mouse and start shaking it around in mid-air until the 13 went completely black.I couldnt help laughing because of her funny 14.The more I laughed the 15 she got.She though

14、t that I was a(n) 16 teacher and she decided to figure the thing out herself.Well,at least I helped her overcome her 17 of breaking something and encouraged her to 18 a little.About a week later,I found a home-made 19 card with a mouse on the front making a funny face 20 to my door.It said,“Thanks f

15、or the computer lessons.Love,Mom.”1.A.theoryB.knowledgeC.technologyD.history答案B解析根据下文中的“Shesaidshedidntknow4touseit.Idecidedtoteachher.”可推知,作者的母亲对电脑所知甚少,此处指电脑知识(knowledge)。2.A.watchB.trainC.playD.see答案C解析根据上文中的“SoIdecidedtogiveheroneofmyoldcomputerstohelpherpassthetime.”可知,作者给母亲一台自己的旧电脑是让退休的母亲自己玩。pl

16、aywith.“玩”。3.A.foundB.heardC.thoughtD.ignored答案A解析随着时间的推移,作者发现(found)电脑几乎没被碰过。4.A.whyB.whenC.howD.where答案C解析根据下文中的“Idecidedtoteachher.”可推知,母亲并不知道怎么(how)使用电脑,于是作者决定教她。5.A.learnedB.describedC.explainedD.discussed答案C解析根据空处前一句“Idecidedtoteachher.”和空后的“andsheseemedOKwithwhatIsaid”可推知,作者给母亲讲解了(explained)相

17、关的电脑知识。6.A.andB.butC.becauseD.since答案A解析根据语境可知,空处应填连词and,表示“然后,接着”。7.A.amusingB.relaxedC.interestingD.discouraged答案D解析结合语境可推知,母亲不会玩电脑,感到很泄气(discouraged)。8.A.getB.breakC.cutD.turn答案D解析根据空前的“Thescreensaver(屏幕保护程序)hadappeared”及常识可推知,电脑出现屏幕保护程序,母亲不知道怎么把它关掉。turnoff“关掉”。9.A.hittingB.feelingC.changingD.rem

18、oving答案A解析根据空后的“anditdidntwork”可推知,母亲因为不懂得怎么关掉屏幕保护程序,于是就按(hitting)了每一个键。10.A.hangB.shakeC.rubD.push答案B解析根据语境可推知,作者教母亲稍微晃动(shake)鼠标即可。下文中的“startshakingit”也是提示。11.A.cleanB.wakeC.bringD.take答案B解析根据语境可推知,作者是让母亲移动鼠标,唤醒电脑。wakeup“唤醒”,符合语境。12.A.put upB.cut offC.pick upD.put away答案C解析根据空后的“startshakingitarou

19、ndinmid-air”可推知,母亲听了作者的话就把鼠标拿起来(pickup),在空中摇晃。13.A.screenB.curtainC.coverD.window答案A解析根据语境可推知,母亲不会玩电脑,拿着鼠标乱晃,结果电脑屏幕(screen)全黑了。14.A.adjustmentB.imitationC.expressionD.action答案D解析根据语境可知,作者被母亲搞笑的行为(action)给逗乐了。15.A.ruderB.happierC.angrierD.better答案C解析根据语境可知,作者越笑,母亲越生气(angrier)。16.A.impatientB.humorous

20、C.carefulD.helpful答案A解析根据空后的“shedecidedtofigurethethingoutherself”可推知,身为老师的母亲对作者教自己玩电脑这件事很有看法,认为作者没有耐心(impatient)。17.A.sadnessB.pressureC.fearD.depression答案C解析根据语境可推知,作者帮助母亲走出了害怕(fear)损坏东西的阴影,鼓励母亲再尝试一下。18.A.replyB.observeC.answerD.experiment答案D解析参见上题解析。experiment“尝试”,符合语境。19.A.invitingB.greetingC.shoppingD.birthday答案B解析根据语境可知,母亲自己制作了一张贺卡(greetingcard),对作者表示感谢。20.A.appearedB.stuckC.combinedD.printed答案B解析根据语境可知,此处指卡片贴在了作者的门上。stickto.意为“粘/贴在”。