2024-2025学年新教材高中英语Unit3TheinternetSectionⅢDiscoveringUsefulStructures课后习题含解析新人教版必修第二册

PAGEUnit3TheinternetSectionⅢDiscoveringUsefulStructures课后·训练提升一、单句改错1.Thewindowhascleanedbythestudentsonduty.

答案has后加been2.Thetrainhasbeendisappearedinthedistance.

答案去掉been3.Thebookstorehasbeenopenedsince1999.

答案opened→open4.Agiftwasgivenhisgrandmalastnight.

答案在given后加to5.MuchattentionhasbeenpaidTom’shandwriting.

答案在paid后加to6.Tonywasmadecrybyhislittlesister.

答案在made后加to二、选词填空functionconfirmpressmakeacommentfilebutton1.Don’tworkorstudyundertoomuch.答案pressure2.I’llhavethemachinerepairedforitdoesn’tproperly.

答案function3.It’simpolitetoonwhatothersarewearing.

答案makeacomment4.Icalledtotheexacttimeoftheconference.

答案confirm5.Yourapplicationwillbekepton.

答案file6.Aofhisovercoathascomeoff.

答案button三、七选五阅读理解It’sTimetoPutItAwayYoursmartphonemayhavehurtyoubeforeyourealiseit.Don’tbeaddictedtoit.Putyourphoneaway,OK?1.CyberSicknessAlsocalled“digitalmotionsickness”,symptomsthatrangefromheadachestowoozy(眩晕的)feelingscanoccurwhenyouquicklyscrollonyoursmartphoneorwatchaction-packedvideosonyourscreen.1Yoursenseofbalanceisdifferentfromothersensesinthatithaslotsofinputs.Whenthoseinputsdon’tagree,that’swhenyoufeeldizzinessandsickness.

2.TextClawItistheunofficialtermforsorenessandmusclecontractionfeltinthefingers,wristandforearmafterheavysmartphoneuse.2Soifyou’realwaysonyourphone,itmakessensetofeeldiscomfortinyourhandsandforearms.

3.EyeStrain(疲惫)Doyoustareatascreenforhoursonend?Ifyou’redoingthis,youverywellmightsuffereyestrain.3Staringatyourdigitaldevicesforalongtimecanleadtodryeyes,headachesandtiredness,whichcandecreaseyourproductivity.Expertssuggesttakingscreenbreaksevery20minutes.

4.TextNeckSimilartotheclaw,textneck—discomfortintheneckandspine,happenswhenyouspendalongtimelookingdownatyoursmartphone.4Beingmindfulofhowfaryourneckbendswhenyou’reonyourphone,andbendingitbacktoanuprightpositioncanhelpreducetheriskoftextneck.

5.PedestrianSafetyPedestriandeathsareontherisebecausetoomanysmartphoneusersengageindistractedwalking.Whilefocusedonthecyberworld,manyofuscanloserealityofthephysicalone.Elementalpedestriansafetyknowledgeiscompromisedbytechnology,andtherisksarescary.5

A.Weshouldtakebreaksforawhile.B.Thesensationresultsfromamismatchbetweensensoryinputs.C.Rememberthatpedestriansafetyismoreimportantthansmartphone.D.Thehabitmayleadtopeoplerequiringmedicalspinecareatayoungerage.E.Toavoidinjuryorworse,putyourphoneawayuntilyou’vereachedasafespot.F.Anyspecificmotoractivitycancausepaininthetendons(筋)andmuscleswhendonerepeatedly.G.Anyactivitythatrequiresactiveuseofyoureyes—drivingandreadingincluded,cancauseeyetiredness.答案1.B2.F3.G4.D5.E四、完形填空Mymotherwasaresponsibleteacherandsheretired.SoIdecidedtogiveheroneofmyoldcomputerstohelpherpassthetime.Shehadalittlebitofcomputer1,soIjustsetitupforherandlether2withitonherown.

Astimewenton,I3thecomputerwashardlytouched.Shesaidshedidn’tknow4touseit.Idecidedtoteachher.Isatand5everythingandsheseemedOKwithwhatIsaid.Unfortunately,mysistercalledmeatthatmoment6wetalkedonthephoneforanhour.ThenwhenIsawheragain,shewassittinginfrontofthecomputer,lookingquite7.Thescreensaver(屏幕爱护程序)hadappearedandshedidn’tknowhowto8itoff.Shehadtried9everykeyanditdidn’twork.Itoldher,“Just10themousealittle.”WhatImeantwasthatshejustneededtomovethemousearoundto11thecomputerup.Whatshedidwasto12themouseandstartshakingitaroundinmid-airuntilthe13wentcompletelyblack.Icouldn’thelplaughingbecauseofherfunny14.ThemoreIlaughedthe15shegot.

ShethoughtthatIwasa(n)16teacherandshedecidedtofigurethethingoutherself.Well,atleastIhelpedherovercomeher17ofbreakingsomethingandencouragedherto18alittle.

Aboutaweeklater,Ifoundahome-made19cardwithamouseonthefrontmakingafunnyface20tomydoor.Itsaid,“Thanksforthecomputerlessons.Love,Mom.”

1.A.theory B.knowledgeC.technology D.history答案B解析依据下文中的“Shesaidshedidn’tknow4touseit.Idecidedtoteachher.”可推知,作者的母亲对电脑所知甚少,此处指电脑学问(knowledge)。

2.A.watch B.trainC.play D.see答案C解析依据上文中的“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。playwith...“玩……”。3.A.found B.heardC.thought D.ignored答案A解析随着时间的推移,作者发觉(found)电脑几乎没被碰过。4.A.why B.whenC.how D.where答案C解析依据下文中的“Idecidedtoteachher.”可推知,母亲并不知道怎么(how)运用电脑,于是作者确定教她。5.A.learned B.describedC.explained D.discussed答案C解析依据空处前一句“Idecidedtoteachher.”和空后的“andsheseemedOKwithwhatIsaid”可推知,作者给母亲讲解了(explained)相关的电脑学问。6.A.and B.butC.because D.since答案A解析依据语境可知,空处应填连词and,表示“然后,接着”。7.A.amusing B.relaxedC.interesting D.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.get B.breakC.cut D.turn答案D解析依据空前的“Thescreensaver(屏幕爱护程序)hadappeared”及常识可推知,电脑出现屏幕爱护程序,母亲不知道怎么把它关掉。turnoff“关掉”。9.A.hitting B.feelingC.changing D.removing答案A解析依据空后的“anditdidn’twork”可推知,母亲因为不懂得怎么关掉屏幕爱护程序,于是就按(hitting)了每一个键。10.A.hang B.shakeC.rub D.push答案B解析依据语境可推知,作者教母亲略微晃动(shake)鼠标即可。下文中的“startshakingit”也是提示。11.A.clean B.wakeC.bring D.take答案B解析依据语境可推知,作者是让母亲移动鼠标,唤醒电脑。wakeup“唤醒”,符合语境。12.A.putup B.cutoffC.pickup D.putaway答案C解析依据空后的“startshakingitaroundinmid-air”可推知,母亲听了作者的话就把鼠标拿起来(pickup),在空中摇摆。13.A.screen B.curtainC.cover D.window答案A解析依据语境可推知,母亲不会玩电脑,拿着鼠标乱晃,结果电脑屏幕(screen)全黑了。