北师大版高三英语课后习题含答案限时规范练8必修2Unit4B.docx

北师大版高三英语课后习题含答案限时规范练8必修2Unit4B.docx

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北师大版高三英语课后习题含答案限时规范练8必修2Unit4B

限时规范练8（必修2　Unit4B）

核心素养关键词:

培养学生人与社会、了解科技的思维意识

　限时规范练第16页　 

一、阅读理解

A

FebruarywasahardmonthforInternet-connectedtoys.

First,GermanystoppedthesaleofMyFriendCayla.TheGermangovernmentbelievedthathackers（电脑黑客）couldusethetalkingtoytogetinformationonkids.

ThenU.S.computeruserslearnedthatCloudPets,madebySpiralToys,hadaproblem.Thetoy’sInternetconnectionallowsuserstosendandreceivevoicemessages.ComputerexpertsdiscoveredthatCloudPets’databasewasnotsafe.Theprivateinformationofmorethan820,000userswasatriskofbeingstolen.

Computerhackersdidn’tonlyhittoys.ManybigcompaniesintheU.S.havealsobeenhacked.Thehitsshowedemails,cardnumbers,fingerprints,andotherprivateinformation.Expertsarelookingforwaystofighthackers.Kidsarejoiningthefightandgettingreadytolead.

TheorganizersofCyberPatriotseetheadvantagesofgettinganearlystartincybersecurity（网络安全）.In2016,69,000studentstookpartinthecyber-educationprogram.ItsgoalistoencouragekidstomakeachievementsincybersecurityandinSTEMfields,includingscienceandtechnology.

CyberPatriot’scentralprojectistheyearlyNationalYouthCyberDefenseCompetition.Winnersreceivesomemoneytohelppayfortheireducation.Thecompetitiontakesplaceoverseveralmonths.Studentteamsmanagethecomputernetworkatafictionalcompany.Theymustfindandfixitssecurityproblems.FromApril3to5,thenation’stopteamscompetedinthefinals,inBaltimore,Maryland.

TeamError37,fromSummitLakesMiddleSchool,inLee’sSummit,Missouri,wonthemiddleschoolgroup.“Therewillbealotofjobsthatrequirecybersecurityknowledge,”saidteammemberKeenanCurp,13.

ArjunPratapGhoshal,13,alsocompetedinBaltimore.HewastheleaderofateamfromOakValleyMiddleSchool,inSanDiego,California.“Wehavetoteachkidsaroundusaboutcybersecurity,”hesays,“sothatwecanpreventharmfulhacking.”

【篇章导读】本文是新闻报道。

在网络宁静遭受威胁的时间,孩子们加入了共同抵抗电脑黑客的战斗中。

1.WhywasFebruaryhardforMyFriendCayla?

A.Itwaslesspopularamongkids.

B.Itwastakenoffthemarket.

C.Itcouldn’tprovideinformationforkids.

D.Itcouldn’tbeconnectedtotheInternet.

答案B

剖析推理判断题。

由第二段中的“stoppedthesale”和“hackerscouldusethetalkingtoytogetinformationonkids”可知,二月份,由于担心受到电脑黑客的打击,该玩具被停售。

2.WhatwastheproblemwithCloudPets?

A.Theirdatabasewasindanger.

B.Theirinformationwasmissing.

C.TheirInternetconnectiondidn’twork.

D.Theiruserscouldn’tsendvoicemessages.

答案A

剖析细节明白题。

由第三段中的“ComputerexpertsdiscoveredthatCloudPets’databasewasnotsafe.”可知答案。

3.What’sthepurposeofCyberPatriot?

A.Togetkidstoworkwithscientists.

B.Toteachkidshowtofixcomputers.

C.Tokeepkidsawayfromcomputers.

D.Toeducatekidsaboutcybersecurity.

答案D

剖析推理判断题。

由第五段中的“ItsgoalistoencouragekidstomakeachievementsincybersecurityandinSTEMfields,includingscienceandtechnology.”可推断,该组织的目的是让孩子们获得更多有关网络安全的知识。

4.WhatdostudentsdoatNationalYouthCyberDefenseCompetition?

A.Theydealwithsecurityproblems.

B.Theyhelpacompanysolveproblems.

C.Theytakeexamsonsecurityknowledge.

D.Theydiscussthingswithcomputerexperts.

答案A

剖析细节明白题。

由倒数第三段中的“Theymustfindandfixitssecurityproblems.”可知答案。

B

Themindofanelephantshouldnotbeunderestimated.Theyareintelligentanimalsbornwithbothexcellentmemoryandartistictalent.Elephantseatabout495poundsofvegetarianfoodaday.Theyspendabout16hoursadayeating,butmustwalkabout4milesadayinsearchoffood.Theaverageelephantlivesabout70years,anditssharpmemoryallowsittorememberplaceswhereithasfoundfoodaslongas30yearsearlier,evenasababy.

Inanelephant’stravels,itcomesacrossotherelephantsalsolookingforfood.Someelephantsarefriendly,andsomearenotsonice.Elephantsremembereveryelephanttheyhaveevermet.Theycanevenrecognizeanelephanttheyperhapshaven’tseenfor30years.Theyimmediatelyrememberwhetherthiselephantisanenemyorafriend.

Whenelephantsarenotsearchingforfood,theysometimesproduceartinthesandwiththeirtrunks（象鼻）.Theyseemtoenjoyjustrelaxingandpaintinginthesand.Oneday,anelephantzoo-keepernoticedthisandgaveanelephantapaintbrushfilledwithredpainttoseeiftheelephantwouldpaintonacanvas（画布）.Sureenough,itdid,andsincethenelephantsinmostzooshavebeengivenpaintbrushes,paints,andcanvases.Theresultingabstractarthasbeensoldforhighpricesaroundtheworld.Themoneygoestosupportfeedingtheelephantsinthezoos.Mostfeltthattheelephantswereonlycapableofpaintingabstracts.However,theyhavebeentrainedtopainttrees,flowers,andotherthingsinnature.Thishasenabledustounderstand“elephantgenius”evenmore.

【篇章导读】本文是说明文。

大象是一种特殊智慧的动物,不仅过目不忘并且照旧艺术天才。

5.Whatdoestheunderlinedword“underestimated”mean?

A.Mistaken.

B.Controlled.

C.Undervalued.

D.Underdeveloped.

答案C

剖析词义预测题。

根据画线词后一句“Theyareintelligentanimalsbornwithbothexcellentmemoryandartistictalent.”可知,千万不要“低估”大象的智力。

6.Whatcanwelearnaboutelephants’memory?

A.Itremainsexcellentfor70years.

B.Itdiffersgreatlyamongelephants.

C.Itisatitsbestinthefirst30years.

D.Itcanreachasfarbackas30years.

答案D

剖析细节明白题。

根据第一段中的“itssharpmemoryallowsittorememberplaceswhereithasfoundfoodaslongas30yearsearlier”和第二段中的“Theycanevenrecognizeanelephanttheyperhapshaven’tseenfor30years.”可知,大象的记忆力可以追溯到30年前。

7.Whydidthezoo-keepergivetheelephantabrush?

A.Toattractvisitorstoit.

B.Totrainittopaintpictures.

C.Toproveitwasabornartist.

D.Tofindoutwhetheritcoulddraw.

答案D

剖析细节明白题。

根据最后一段中的“anelephantzoo-keepernoticedthisandgaveanelephantapaintbrushfilledwithredpainttoseeiftheelephantwouldpaintonacanvas”可知,动物园的管理员给大象画笔是想看看它会不会画画。

8.Whichcanbestdescribeelephantsaccordingtothetext?

A.Reallybrave.

B.Highlysmart.

C.Unusuallyquiet.

D.Extremelyfriendly.

答案B

剖析推理判断题。

根据文中的intelligentanimals以及具体介绍大象的记忆力如何超强和艺术才华怎样了得可知,大象是非常智慧的动物。

二、完形填空

Itookmysontoapopularrestaurantforalunchtimetreat.Anditseemseveryoneelsehadthesame　1　.Theplacewasfullof　2　!

Idrovearoundthesmallparkinglotfor10minutes　3　aspot.FinallyI　4　one.AladywasreturningtohercarsoI　5　herandwaitedpatiently.AsIdidthisIlookedinmyrearvisionmirrorand　6　ayoungmanquicklypullupbehindme.Assoonashesawmyindicator（转向灯）onforthespot,heseemedvery　7　andbeganhittinghissteeringwheel.Iknewthiswasn’tdirectedatmebutatthedisappointmentthathehad　8　aspot.Ifelthis　9　.Itoohadbeen　10　theplaceforages. 

AstheladyleftI　11　somethingthatsurprisedevenme.Iturnedoffmyindicatoranddrovestraightpast.Ilettheman　12　thespot. 

Themanbehindmewas　13　,unsurewhattodo.　14　Iloweredmywindowandgavehima（n）　15　totakeit,callingoutatthesametime“It’syours.” 

I　16　drivingfurtherdowntheroadtoanothercarpark,wherealthoughIhadtowalkquiteabitfurther,Iwas　17　Icould.Perhapsthemancouldn’twalkeasilyashis　18　wasn’tasgoodasmine?

Iwill　19　know.ButIknewthespot　20　moretohimthanitdidtome,whenIsawhimreactthewayhedid. 

【篇章导读】本文是记叙文。

作者在停车场等待了很久终于找到了一个车位,然而当看到紧随其后的一名司机因为没抢到车位的扫兴体现时,作者决定将车位让给他。

1.A.experienceB.dream

C.ideaD.chance

答案C

解析由thesame可知,设空处指“toapopularrestaurantforalunchtimetreat”这一想法,故填idea。

2.A.peopleB.noise

C.pleasureD.peace

答案A

解析由上文中的“itseemseveryoneelsehadthesame”以及文中的“Idrovearoundthesmallparkinglotfor10minutes”可知,这个地方“人（people）”很多,我在停车场绕了十分钟想“找（lookingfor）”个车位,最后终于“找到（found）”一个。

3.A.callingforB.lookingfor

C.askingforD.payingfor

答案B

剖析见上题剖析。

4.A.borrowedB.found

C.boughtD.accepted

答案B

解析见第2题解析。

5.A.followedB.helped

C.guidedD.met

答案A

解析由本句中的“Aladywasreturningtohercar”以及“waitedpatiently”可知,我“跟着（followed）”她,耐烦地等候着。

6.A.suggestedB.noticed

C.madeD.required

答案B

解析由本句中的“Ilookedinmyrearvisionmirror”可知,我“注意到（noticed）”一名年轻的男子快速地在我背面停下车。

7.A.seriousB.interested

C.angryD.careful

答案C

解析由本句中的“Assoonashesawmyindicatoronforthespot”以及“beganhittinghissteeringwheel”可知,这名男子似乎很“生气（angry）”。

8.A.refusedB.chosen

C.reachedD.missed

答案D

解析由上文中的“Assoonashesawmyindicatoronforthespot”以及“Iknewthiswasn’tdirectedatme”可知,这名男子之所以有这种表现是因为他“错过（missed）”了一个车位,感触很扫兴。

9.A.fearB.pain

C.courageD.wish

答案B

解析由上文中的“Idrovearoundthesmallparkinglotfor10minutes　3　aspot”可知,我能感受到他的“痛苦（pain）”,因为我也在这个地方“绕了（circling）”许久才找到一个车位。

10.A.circlingB.protecting

C.keepingD.changing

答案A

剖析见上题剖析。

11.A.sawB.heard

C.didD.said

答案C

解析由下文中的“Iturnedoffmyindicatoranddrovestraightpast”可知,我“做了（did）”一件让本身都感触惊奇的事。

12.A.searchB.pass

C.leaveD.have

答案D

解析由上文中的“Iturnedoffmyindicatoranddrovestraightpast”以及下文中的“Iloweredmywindow...callingoutatthesametime‘It’syours.’”可知,我让这名男子“占用（have）”那个车位。

13.A.worriedB.surprised

C.tiredD.pleased

答案B

解析由本句中的unsurewhattodo可知,这名男子很“惊讶（surprised）”。

14.A.ButB.So

C.AgainD.Still

答案B

解析“Themanbehindmewas　13　,unsurewhattodo”与“Iloweredmywindow...callingoutatthesametime‘It’syours.’”之间是因果关系,故填So。

15.A.signB.order

C.reasonD.promise

答案A

解析由上文中的“Ilettheman　12　thespot”以及本句中的“Iloweredmywindowand...callingoutatthesametime‘It’syours.’”可知,我摇下车窗,“示意他（gavehimasign）”利用谁人车位。

16.A.stoppedB.minded

C.gaveupD.endedup

答案D

解析由下文中的“althoughIhadtowalkquiteabitfurther”可知,我“后来（endedup）”开车到一个较远些的停车场。

endup意为“最终成为,最后处于”。

17.A.hopefulB.sorry

C.thankfulD.afraid

答案C

解析由本句中的“Ihadtowalkquiteabitfurther”以及下文中的“Perhapsthemancouldn’twalkeasily”可知,此处指固然我得走一段路,但我很“感激（thankful）”本身能够走路。

18.A.jobB.car

C.luckD.health

答案D

解析由