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.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
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