版高考英语一轮复习 Unit 4 Cyberspace课时作业 北师大版必修2.docx

版高考英语一轮复习 Unit 4 Cyberspace课时作业 北师大版必修2.docx

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版高考英语一轮复习Unit4Cyberspace课时作业北师大版必修2

Unit4Cyberspace

基础训练

Ⅰ.单句语法填空

1．Anearthquakehitthecity，________（destroy）manybuildingsandroads.

2．Theprogrammewasintendedtofocusattention________globalwarming.

3．Fancy________（sit）inthesunanddoingnothingallday!

4．Parentsspend________averageof$200ayearontoysfortheirchildren.

5．Don'thandlethevaseasifit________（is）madeofsteel.

6．Theywereoptimistic________thegoodresulttheywouldstrugglefor.

7．Theexpertsuggested________（prepare）enoughwaterandfoodforthetrip，orthetravelerswouldfindithard________（get）themwhentheygothungryorthirsty.

8．Thefatheraswellashisthreechildren________（be）goingskatingonthefrozenrivereverySundayafternooninwinter.

答案　1.destroying　2.on　3.sitting　4.an　5.were　6.about　7.preparing；toget　8.is

Ⅱ.完成句子

9．Thechildren'sfacesarebadly________________inthephotograph.

照片上孩子们的脸极其模糊不清。

10．________________yourstayinguplateoccasionally.

偶尔晚睡并无妨害。

11．Thepriceswere________________，butthey'reofthehighestquality.

价格比平均水平高，可它们的质量是最好的。

12．Severalyearslater________________hebecametooweak.

很明显，几年后他身体变得很虚弱。

13．Finallyhehadto________________andintheendourdream________________．

他终于接受了我的建议，我们的愿望实现了。

答案　9.outoffocus　10.There'snoharmin　11.aboveaverage　12.itwasclearthat　13.followmysuggestion；cametrue

Ⅲ.课文浓缩语法填空

ThelastthreedecadeshasseenthattheInternetisgrowing__14__（rapid）.Nowadays，thenumberofthecomputers__15__areconnectedtotheInternetisaround50million.

Someexperts，worryingaboutthecrimeincyberspace，arenot__16__（optimism）aboutthefuture.Forexample，inthefuture，thecomputersofbanksandgovernmentsmay__17__（attack）by__18__（terror）.However，manypeopleholdanoppositeviewabout__19__futureofcyberspace.Intheiropinion，theInternetcanbringthemgreatconvenience，suchasbuyingbooks，__20__（book）ticketsandshoppingontheInternet.Besides，peoplecanget__21__（entertain）fromtheNetandtelevisionandmailservice__22__（appear）.__23__computerswidelyused，someexpertsseeourfutureinvirtualreality.

答案　14.rapidly　15.which　16.optimistic　17.beattacked　18.terrorists　19.the　20.booking　21.entertainment　22.willdisappear　23.With

Ⅳ.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。

Waystoimproveyourmemory

1．Writeaboutyourproblems.

Todocomplextaskswerelyonour“workingmemory”．Amoreefficientworkingmemorycontributestobetterlearning,planning,reasoningandmore.__24__Yousitdownfor20minutesafewtimesamonthandwriteaboutproblemsthathavehappenedtoyou.Researchersfoundthatitimprovedworkingmemoryafter5weeks.

2．Lookatanaturalscene.

Naturehasamagicaleffectonus.__25__Inonestudypeoplewhowalkedaroundanarboretum（植物园）did20%betteronamemorytestthanthosewhowentforawalkaroundbusystreets.

3．Saywordsaloud.

__26__Ifyouwanttoremembersomethinginparticularfromaloadofotherthings,justsayitoutloud.Astudyfoundmemoryimprovementsof10%forwordssaidoutloud.

4．__27__

Meditationhasbeenconsistentlyfoundtoimprovecognitivefunctions,includingmemory.Inonerecentstudy,participantswhomeditatedonly20minutesonceaday,sawbooststotheirworkingmemoryandothercognitivefunctions.

5．Useyourbodytoimprovememories.

Wedon'tjustthinkwithourminds,wealsouseourbodies.Researchhasshownthatweunderstandlanguagebetterifit'saccompaniedbygestures.__28__ResearcherstryingtoteachJapaneseverbstoEnglishspeakersfoundthatgesturingwhilelearninghelpedencodethememory.ParticipantswhousedhandgestureswhichsuggestedthewordswereabletorecallalmosttwiceasmanyJapanesewordsaweeklater.

A．Meditatealittlebit.

B．Differentpeoplehavedifferentmemories.

C．Wecanalsousegesturestoimprovememories.

D．Oneofnature'sbeneficialeffectsisimprovingmemory.

E．Therearereallynoeffectivewaystoimproveone'smemory.

F．Readingissurelytheeasiestofallmethodsforimprovingmemory.

G．Onewaytoincreaseworkingmemorycapacityindirectlyisthroughexpressivewriting.

答案　

24．G　[本段标题为Writeaboutyourproblems.是说明写出你的问题可以提高记忆力，选项G中的throughexpressivewriting（通过表达性写作）与标题内容相符合。

故选G。

]

25．D　[空格前面一句Naturehasamagicaleffectonus.说明大自然对我们有神奇的作用。

选项D正是说明这些神奇的作用中的一种。

故选D。

]

26．F　[根据本段标题Saywordsaloud.以及空格后面的justsayitoutloud可知，本段内容为大声说可以提高记忆力。

选项F说明的正是阅读是最简单的提高记忆力的方法。

故选F。

]

27．A　[根据本段内容可知，冥想可以提高记忆力。

故选项A可做本段的标题。

]

28．C　[根据本段标题Useyourbodytoimprovememories.以及本段内容可知，本段说明的是身体语言可以提高记忆力。

这与选项C中的usegesturestoimprovememories相一致。

故选C。

]

能力提升

Ⅰ.完形填空

体裁：

记叙文　话题：

人物介绍　词数：

316　时间：

19′

MarkSertich,aformerofficemanagerinDuluth,America,hasbeenhittingtheiceeveryotherdaysincethemid－1980swhenhewasinhisearly60sthen.

Growingup,helovedhockey,buthe'striedafewother__1__overtheyearsatvariousstagesofhislife.“WhenIwasstillworking,Istarted__2__．So,whenIreachedage59,Iranmyfirstmarathon.__3__Ifinishedfiveafterthat，”Sertichrecalls.Plentyof__4__hasallowedSertichtostaythesameweighthewaswhenheleftfortheArmy—in1942.

Asidefromsomehearingdifficulties,heenjoysnearly__5__healthattheageof94.Andofcourse,likeall__6__players,he'shadhisshareof__7__．Justafewmonthsago,weeks__8__hewastoflytotheSnoopy'sSeniorWorldHockeyTournamentinCalifornia,Sertichcollidedwith（与……相撞）another__9__andhisrightlegwasbroken.Doctorstoldhimtostayofftheiceforfourtosixweeks.“__10__，I'vealwaysbeenaquickhealer.Inthreeweeks,Iwasreadytogooutthereandtakepartinthe__11__，”hesays.

Sertichhaslivedalonesincehiswife__12__in2004.Thoughheis__13__sometimeswhenhemisseshisdeadwife,othersclosetohimsayhe'sa（n）__14__．DaneYoungblom,theteam'sorganizersaid,“Butforhis__15__—Ithinkhe'sprobablytheonlyoneinthewholeworldwhoplaysathislevel.He'snotjustwalkingaroundonthe__16__either.He'sagile（敏捷的）,andhe's__17__andquick－handed.”

Theteam'syoungestplayersareintheir20sandthey__18__Sertich.“They'replayinghockeywithamanwho__19__inWorldWarⅡ，”Youngblomsays.“It'spretty__20__．He'ssucharolemodeltoallofus.”

1．A.performancesB．challengesC．sportsD．adventures

答案　C　[除了喜欢冰球以外，MarkSertich在一生中还尝试了其他的体育运动。

下文他在59岁时参加马拉松比赛就是其中的一项体育运动。

]

2．A.runningB．dancingC．singingD．jumping

答案　A　[根据So,whenIreachedage59,Iranmyfirstmarathon.可知，当MarkSertich还在上班工作时，开始跑步。

]

3．A.SoB．WhenC．ButD．Then

答案　D　[59岁参加第一次马拉松，MarkSertich之后完成了5次马拉松比赛。

]

4．A.sleepB．exerciseC．foodD．water

答案　B　[因为喜欢锻炼，所以MarkSertich的体重一直保持未改变。

]

5．A.normalB．standardC．pleasantD．perfect

答案　D　[94岁时，除了有一些听力障碍以外，MarkSertich非常健康。

]

6．A.hockeyB．footballC．basketballD．tennis

答案　A　[根据Growingup,helovedhockey以及They'replayinghockeywithaman可知，MarkSertich是一位冰球队员。

]

7．A.experiencesB．excitements

C．injuriesD．opinions

答案　C　[下文的hisrightlegwasbroken说明MarkSertich作为一名冰球队员，他和其他冰球队员一样会受伤。

]

8．A.afterB．beforeC．laterD．until

答案　B　[根据Inthreeweeks,Iwasreadytogooutthere可知，MarkSertich是在参加比赛前的几个星期受伤的。

]

9．A.actorB．playerC．coachD．organizer

答案　B　[MarkSertich是与另外一位冰球队员相撞才受伤的。

]

10．A.LuckilyB．Unwillingly

C．StrangelyD．Usually

答案　A　[根据I'vealwaysbeenaquickhealer可知，很幸运的是，尽管受伤了，但MarkSertich恢复很快。

]

11．A.experimentB．warC．ceremonyD．match

答案　D　[根据theSnoopy'sSeniorWorldHockeyTournamentinCalifornia可知，他是去California参加比赛。

]

12．A.passedoverB．gavein

C．passedawayD．ranaway

答案　C　[根据whenhemisseshisdeadwife可知选项C正确。

]

13．A.delightedB．worriedC．calmD．sad

答案　D　[想念自己死去的妻子，MarkSertich有时很悲伤。

]

14．A.successB．inspirationC．instructorD．cheat

答案　B　[根据下文DaneYoungblom所说的话可以推知，MarkSertich对其他人来说是一个鼓舞。

]

15．A.ageB．shapeC．appearanceD．courage

答案　A　[MarkSertich在94岁高龄还在打冰球，在他这个年龄他是世界上唯一一个有高水准的冰球运动员。

]

16．A.stageB．groundC．iceD．soil

答案　C　[根据短文第一段中的hasbeenhittingtheiceeveryotherday可知选C。

]

17．A.absent－mindedB．humorous

C．confidentD．quick－minded

答案　D　[根据He'sagile（敏捷的）以及andquick－handed可知选项D正确。

]

18．A.protectB．understandC．respectD．believe

答案　C　[年轻的队友对MarkSertich很尊重。

]

19．A.foughtB．disappeared

C．diedD．escaped

答案　A　[根据whenheleftfortheArmy—in1942.可知，MarkSertich在第二次世界大战中参加过战斗。

]

20．A.inspiringB．unbelievable

C．disappointingD．impossible

答案　B　[94岁还能参加冰球运动，这让人难以置信。

]

Ⅱ.阅读理解

A

体裁：

说明文　话题：

航天　词数：

293　时间：

6′

ThefirstlivingcreaturestotravelinspacewerethedogsoftheSovietUnionsspaceprogram.Beginningin1951dogsflewaboardsub－orbitalflightstotheheightof63milesandhigher.Theyhelpedtotesttheequipmentthatwouldlaterbeusedbyhumans.Thefirstpairofdogstofly,onJuly22,1951,werenamedTsyganandDezik.

SpacedogswouldmakehistoryonNovember3,1957.Onthisdate,justonemonthafterthehistoriclaunchoftheworld'sfirstartificialsatellite,Sputnik,theSovietUnionshockedtheworldagainbylaunchingSputnik2.Thissatellitecontainedthefirstlivingcreaturetotravelinspace,adognamedLaika.Laikawastohaveorbitedforaweekormoreuntilherfoodandoxygenranout.Infact,Laikalastedonlyhoursinorbitbeforeoverheatinginhercapsule（太空舱）tookherlife.

Thatnextstep,occurredinAugust1960,whenthedogsBelkaandStrelkamade18orbitsofearthandreturnedalive.LikeLaikabeforethem,theybecamedistinguished，featuredinnewspapersandmagazinesaroundtheworld.

Sixmoreorbitaldogflightsoverthenexteightmonthsfurthertestedtheequipmentnecessaryforhumanstofollowinthedogs'footsteps.ThathistoriceventhappenedonApril12,1961,whenYuriGagarinbecamethefirsthumantotravelinspace.

Theroleofthespacedogshadprovenimportantinadvancing