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首页 > 【优化方案】2020-2021学年高中英语Unit4CyberspaceSectionⅠ知能演练北师

【优化方案】2020-2021学年高中英语Unit4CyberspaceSectionⅠ知能演练北师

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【优化方案】20212021学年高中英语
Unit4CyberspaceSectionⅠ知能演练北师大版必修2
Ⅰ.品句填词
1．Johnislikely____________(beinLondonthisautumn.2．Ourpolicyistofocus____________developingtheseareas.
3．Mr.Greenisaprofessorinnamebutnotin____________(real．4．Itis____________(harmtoyourhealthtodrinktoomuch.5．Itisclear____________theirgroupwillgetaheadofus.6．HetalksaboutRomeasifhe____________(betherebefore.
7．Howdidyoufind____________thatBurnswasgoingtobepromoted?8．Nothingcanmakeup____________whattheyhavesuffered.
9．Nuclearpowerwilldoharm____________ourhealthandsafetyifimproperlyused.
10．Nobodyknowsthereasonforhis____________(disappear．答案：1.tobe2.on3.reality4.harmful5.that6．hadbeen7.out8.for9.to10.disappearanceⅡ.阅读明白得

Computersareveryimportanttomodernlife.Manypeoplethinkthatinthefuturecomputerswillbeusedinlotsofeverydaylife.Itisthoughtthatwewon’thavetogoshoppingbecausewewillbeabletogetmostthingswhicharesoldinshopsontheInternet.Therewillbenomorebooksbecausewewillbeabletogetalltextsfromcomputers.TheInternetwillbeusedtoplaygames，seefilmsandbuyfood.Mosttelephonecallswillbemadebycomputers，too.
Somepeoplearegladaboutthesenewwaysofshoppingandcommunicating.Othersdonotthinkthatcomputerswillreplaceouroldways.
Let’slookatbooks，forexample.Somepeoplethinkthatonedaywewillnotreadbooksmadeofpaper.Instead，wewillbuyandreadbooksusingcomputers.Wewillreadtextsonsmallpocketcomputers.Thecomputerswillkeepmanydifferentbooksinthematthesametime.Wewon’tneedtoturnlotsofpagesandpaperwillbesavedputerized(运算机化bookswillbeusedmoreandmore.
IsInternetshoppingsuchapleasureasgoingtotheshop？Manypeoplesayitisnot.Itisapleasuretogotoshopsandlookatthingsyouwanttobuy.Itisalsounlikelythatmanypeoplewillwanttoreadlargetextsonourcomputers.Becausepaperbookswillperhapsbemorefriendly.Maybecomputerswon’tchangethesetwohabits.
【解题导语】本文要紧叙述运算机在以后生活中的应用以及运算机能否改变我们的一些生活适应的问题。
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1．InParagraph1itisthoughtpeoplewillusecomputersfor________．A．playinggames，shoppingandmakingtelephonecallsB．makingtelephonecalls，havingmealsandseeingfilmsC．seeingfilms，buyingfood，andgoingforholidays
D．playinggames，makingtelephonecallsandseeingthedoctor
解析：选A。细节明白得题。在第一段中我们可知在以后运算机会涉及到我们日常生活的方方面面，其中提到了购物、玩游戏、看电影和打。
2．WhichreasonforusingcomputerizedbooksisNOTsaidinthepassage?A．Computerizedbookswon’tbeveryexpensive.B．Computerscankeepmanydifferentbooksinthem.C．Wewon’thavelotsofpages.D．Wewon’tneedanypaper.
解析：选A。细节明白得题。从文章的第三段中可知运算机可同时贮存许多本书，如此我们就不再看书本了，同时还节约了纸，computerized(运算机化books被使用的越来越多。但有一点理由没有说，那确实是computerizedbooks是专门贵的。
3．Paragraph4tells________．
A．abouttheoldandnewwaysofshoppingandcommunicatingB．iftheInternetwillchangeourhabitsC．aboutcomputerizedbooks
D．aboutfutureusesofcomputers
解析：选B。段落大意题。运算机虽给我们带来了许多便利，但有些人仍旧喜爱到商店购物，paperbooks仍旧受许多人的青睐，那么Internet将是否改变人们的适应呢？
4．Thetitleforthispassageis________．A．ComputersWillReplaceShopsandBooksB．ComputersAretheFuture
C．ComputersWillDoEverythingforManD．HowComputersChangeOurHabits
解析：选B。标题判定题。纵读全文(专门是开头的两句可知，运算机与我们的生活息息相关，因此答案选B。
Ⅲ.完形填空
Isatinmyseatasmynewgradesixclassmatesfoundtheirs.Atthefrontoftheclassournewmathteacherstood__1__us.Thebellrang.
“Welcometoanewschoolyear.I’mMr.StevensandI’msureI’lllearnallyournamesinnotime.”Hewalkedaroundtheclass__2__mathbooks.Whenhewasdone，he__3__tothefrontoftheclassandlookedatus.“Whatareyouwaitingfor？Getstarted！”hesaid.
Welookedathim，__4__．Wasn’thegoingtoteachus?
“Istheresomethingwrongwithyour__5__？You’renotalldeaf，areyou？”A__6__boyatthebackoftheclassaskedwhatweallwantedtoknow.“Mr.Stevens，aren’tyougoingtoteachus？”
Mr.Stevens__7__，“You’resmartkids.Openyourbooksandgetdowntoit.Ifyouhaveany__8__oranyquestions，raiseyourhand，andI’llhelpyou.”
Weopenedourbooks.Mr.Stevenshelpedanyone__9__hadquestions.Hewouldstoptoteachallthestudents__10__whenweallhadthesamequestion.Itwasa__11__
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methodofteaching，butitwasveryuseful.Itwasa__12__pointinmylife.Mr.Stevensmademe__13__Iwasgoodatmathandalsoabletoreachthe__14__ofanyclassIattended.IstudiedwithhishelpuntilIgraduatedfrommiddleschool.
MontyPython’sFlyingCircuswasapopulartelevisionshowbackthen.Theactors__15__thebestBritishhumour(幽默intoourCanadianlives.Mr.Stevenswouldoftenactoutoneoftheirfunnyscenes(场景infrontoftheclass.Somethoughthewasstrange，andIguesshewas，__16__heknewhowtomakeamathlessoninteresting.
I’vecarriedhis__17__withmeallmylife.WheneverIamfacedwithanew__18__，Ithinkofmyfirstdayingradesixmath.__19__sittingandstaringatthechallenge，Ijustget__20__．BeforeIknowit，thechallengehasbeensettled.
【解题导语】本文是一篇记叙文。新学期开始了，与以往不同的是，新的数学老师使用了一种专门的教学方法。老师让学生自学，遇到可不能的问题时举手提问。这种方法培养了作者的探究精神，关心作者成为班里的优秀生之一。
1．A.waitingB．watchingC．lookingD．revising
解析：选B。考查动词辨析。A等待；B观看，观看；C看；D复习，修订。ournewmathteacherstood______us.新的数学老师站在那儿观看着我们，wait后跟介词for，look后跟at，D项不与us搭配，故选B。
2．A.pickingupB．pickingoutC．handinginD．handingout
解析：选D。考查动词短语辨析。A捡起，学会，用车接；B辨认出，挑出，使显著；C上交；D分发。Hewalkedaroundtheclass______mathbooks数学老师转着给学生分发新书，故选D。
3．A.returnedB．wavedC．exchangedD．jumped
解析：选A。考查动词辨析。A返回；B挥手；C交换；D跳跃。he______tothefrontoftheclass发完书之后，老师返回到教室前面，returnto...返回到……，故选A。
4．A.frightenedB．boredC．puzzledD．relaxed解析：选C。考查形容词辨析。A惧怕的；B厌烦的；C困惑的；D放松的。依照“Wasn’thegoingtoteachus？”可知，学生们都专门疑问什么缘故老师一直在看着他们，故选C。
5．A.earsB．heartsC．eyesD．body
解析：选A。考查名词辨析。A耳朵；B心脏；C眼睛；D躯体。依照“You’renotalldeaf”可知，老师说的是学生们的耳朵，故选A。
6．A.cleverB．exhaustedC．luckyD．brave解析：选D。考查形容词辨析。A聪慧的；B筋疲力竭的；C幸运的；D勇敢的。askedwhatweallwantedtoknow.后排的一个男孩问了大伙儿都想明白的问题，作者认为他是勇敢的，故选D。
7．A.doubtedB．repliedC．explainedD．agreed
解析：选B。考查动词辨析。A怀疑；B回答，答复；C说明；D同意。“You’resmartkids.Openyourbooksandgetdowntoit...”这是老师在回答那个男孩的问题，故选B。
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8．A.secretB．troubleC．promiseD．event
解析：选B。考查名词辨析。A隐秘；B苦恼；C承诺；D事件。Ifyouhaveany______oranyquestions，raiseyourhand假如遇到苦恼或者问题，举手提问，trouble与questions并列，故选B。
9．A.whichB．whenC．whereD．who
解析：选D。考查定语从句。A指物，作主语或宾语；B关系副词，指时刻；C关系副词，指地点；D指人，作主语或宾语。anyone______hadquestions老师关心了每个有问题的学生，先行词指人，且定语从句缺少主语，故选D。
10．A.evenB．stillC．onlyD．since
解析：选C。考查副词辨析。A甚至；B仍旧；C仅仅；D因为，自从。Hewouldstoptoteachallthestudents______whenweallhadthesamequestion.只有当所有的学生对同一个问题产生疑问时，老师才同时给大伙儿讲解，故选C。
11．A.popularB．strangeC．disappointingD．scientific
解析：选B。考查形容词辨析。A受欢迎的；B惊奇的；C令人败兴的；D科学的。Itwasa______methodofteaching，butitwasveryuseful.这种教学方法专门惊奇，然而专门有效，故选B。
12．A.turningB．similarC．movingD．embarrassing
解析：选A。考查形容词辨析。A转折的；B相似的；C感人的；D令人尴尬的。Itwasa______pointinmylife.这是我生命的一个转折点，aturningpoint转折点，故选A。
13．A.decideB．realizeC．wonderD．remember解析：选B。考查动词辨析。A决定；B意识到；C想明白；D记得。Mr.Stevensmademe______Iwasgoodatmath史蒂文斯老师让作者意识到自己是比较擅长数学的，故选B。
14．A.topB．bottomC．strongestD．busiest
解析：选A。考查词汇辨析。A顶端；B底部；C最强壮的；D最忙的。andalsoabletoreachthe______ofanyclass自己有能力成为班里的优秀生，故选A。
15．A.reportedB．impressedC．broughtD．admitted解析：选C。考查动词辨析。A报告；B使……印象深刻；C带来；D承认。Theactors______thebestBritishhumour(幽默intoourCanadianlives.演员们把最好的英式幽默带到了加拿大人的生活里，bring...into...把……带入……，故选C。
16．A.butB．howeverC．soD．and
解析：选A。考查并列连词。A然而；B然而；C因此；D和，同时。Somethoughthewasstrange，andIguesshewas，______heknewhowtomakeamathlessoninteresting.史蒂文斯老师是个怪人，然而，他明白如何把数学课变得有味，故选A。
17．A.dreamsB．lessonsC．interestsD．disciplines
4/8

解析：选B。考查名词辨析。A妄图；B功课，教训；C爱好，利益；D纪律。I’vecarriedhis______withmeallmylife.作者一直把老师讲的课带在周围，四个选项中能与his搭配的是lessons，故选B。
18．A.chanceB．challengeC．surveyD．job
解析：选B。考查名词辨析。A机会；B挑战；C调查；D工作。依照“staringatthechallenge”可知，那个地点指作者遇到新的挑战，故选B。
19．A.BesidesB．InotherwordsC．AsaresultofD．Insteadof解析：选D。考查短语辨析。A而且；B换句话说；C因为；D代替，而不是。______sittingandstaringatthechallenge，Ijustget______．与坐以待毙相反，作者选择了行动起来，故选D。
20．A.amazedB．encouragedC．startedD．organised
解析：选C。考查动词辨析。A使惊奇；B鼓舞；C开始；D组织，安排。Ijustget______．BeforeIknowit，thechallengehasbeensettled.作者勇于挑战自我，一个个的挑战也都迎刃而解。getstarted开始，故选C。
课时作业1(B卷
Ⅰ.阅读明白得
A
Aflashmob(快闪族，whichisagroupofpeoplewhocometogethersuddenlyinapublicplace，dosomethingunusualforashorttime，andthenquicklybreakup.TheyareusuallyorganizedwiththehelpoftheInternetorotherdigitalcommunicationnetwork.Atapredeterminedtime，theygatherandperformsomedistractions(消遣suchaswavingtheirhandsandexchangingbooks.Then，theyquicklybreakupbeforethepolicecanarrive.Usingmobilephones，theflashmobcanchangeitslocationifthefirstonehasbeenreplacedforanyreason.
BillLasik，senioreditorofHarper’sMagazine，organizedthefirstflashmobinManhattaninMay2003andthefirstsuccessfulflashmobcametogetheronJune3，2003—afterthefirstattemptwasfoiledatMacy’sdepartmentstore.Lasikclaimedthattheactivitywasdesignedtomakefunofhipsters(赶时髦的人andcallattentiontotheculturalatmosphere.
Flashmobgatheringscansometimesshockpeople.Suchanactivitymightseemamusinganduntrue，butitalsomightfrightenpeoplewhoarenotawareofwhatistakingplace.Undoubtedly，flashmobscanserveasgoodpoliticalandeconomictools.
Theflashmobisnowbecomingmoreandmorepopular.Peopleuseittodomanythings.Forexample，in2009，hundredsofhisfansgatheredsinginganddancingMichael’sfamoussongBeatIttogethertorememberhim.Flashmobsgivepeopleanopportunitytocometogethertocreateamemory.
【解题导语】本文要紧叙述了当今流行的快闪族。1．Theunderlinedword“foiled”inParagraph2canbereplacedby“________”．A．forgottenB．announcedC．preventedD．remembered
解析：选C。推测词义题。依照本句叙述可知是第一次尝试被“阻止”。
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2．Whatcanyoulearnabouttheflashmobfromthepassage?
A．Becauseoflackingenoughtimetheflashmobusuallybreaksupquickly.B．Itgivespeoplethechancetocometogethertodosomethingunusual.C．Theflashmobcanbeusedinmanyfieldsjustforfun.
D．Oncetheplacefortheactivityisdetermined，itcan’tbechanged.
解析：选B。推理判定题。依照第一段whichisagroupofpeoplewhocometogethersuddenlyinapublicplace，dosomethingunusualforashorttime一句可知选B。
3．Themainpurposeofthepassageis________．A．toadviseB．toencourageC．topersuadeD．toinform
解析：选D。推理判定题。本文要紧告诉我们快闪族的一些差不多信息。4．Thewriter’sattitudetowardstheflashmobis________．A．objectiveB．supportiveC．negativeD．doubtful
解析：选A。作者态度题。本文作者客观叙述了快闪族的一些差不多情形，没有发表自己的观点，因此是“客观的”。
B

Foryearsscientistshavebeenworriedabouttheeffectsofairpollutionontheearth’snaturalconditions.Somebelievetheairinsidemanyhousesmaybemoredangerousthantheairoutside.Itmaybeonehundredtimesworse.
Indoorairpollutioncancauseapersontofeeltired，tosuffereyepain，headacheandotherproblems.Somepollutants(污染物cancausebreathingdisorders，diseasesofbloodandevencancer.Mostscientistsagreethateverymodernhousehassomekindofindoorpollution.
Peoplehavepaidmoreattentiontotheproblemnow.Itistruethatwhenbuildersbeganmakinghousesandofficestheydidnotwasteenergy.Todothistheybuiltbuildingsthatlimitedtheflowofairbetweeninsideandoutside.Theyalsobeganusingman­madebuildingmaterials.Thesematerialsarenowknowntoletoutharmfulgases.
Astheproblembecamemoreserious，scientistsbegansearchingforawaytodealwithit.Theydiscoveredanaturalpollutioncontrolsystemforbuildinggreenplants.Scientistsdonotreallyknowhowplantscontrolairpollution.Theybelievethataplant’sleavesabsorbortakeinthepollutants.Inexchangetheplantletsoutoxygenthroughitsleavesandtinyorganizationsonitsroots.Scientistssuggestthatallbuildingsshouldhaveonelargeplantorseveralsmallplantsinsideforeveryninesquaremetersofspace.Studiesofdifferentplantsshowthateachabsorbsdifferentchemicals.Sothemosteffectivewaytocleantheairistousedifferentkindsofplants.Havinggreenplantsinsideyourhousecanmakeitaprettierandmorehealthyplace.
6/8

【解题导语】本文是一篇科技说明文。要紧是讲室内空气污染现在差不多被更多的人关注了，科学家们也正在查找一系列的方法来解决这些问题。
5．Generallyspeaking，indoorairpollutionmaybemoreharmfulthantheairoutsidebecause________．
A．indoorairpollutioncanoftenmakepeopleseriouslyillB．theremaybemoreharmfulgasesoutsidethebuildingsC．man­madebuildingmaterialsgiveoffdangerousgasesD．theairindoorsispolluted，whichisveryharmful解析：选C。细节明白得题。由第三段最后两句Theyalsobeganusingman­madebuildingmaterials.Thesematerialsarenowknowntoletoutharmfulgases.能够明白室内空气污染比室外空气污染更严峻的缘故确实是人工材料产生的气体。因此答案是C。
6．Somekindofindoorpollutioncanbefoundin________．A．everyoldhouseB．everymodernhouseC．allkindsofhousesD．allkindsofoffices
解析：选B。细节明白得题。由文章第二段最后一句可知，科学家相信每一橦现代房屋都存在空气污染。因此答案是B。
7．Theindoorairpollutioniscausedby________．
A．theman­madebuildingmaterialsandthelimitofair­flowB．thebuildingwaythatthebuilderswanttosaveenergyC．thebuildingthingsthataremadeofman­madematerialsD．thelimitoftheflowofairbetweeninsideandoutside解析：选A。细节明白得题。第三段的最后三句Todothistheybuiltbuildingsthatlimitedtheflowofairbetweeninsideandoutside.Theyalsobeganusingman­madebuildingmaterials.Thesematerialsarenowknowntoletoutharmfulgases.能够明白，造成室内空气污染的缘故，一个是limitedtheflowofair，一个是man­madematerial。因此答案选A。
8．Thereasonwhyweshouldusedifferentkindsofplantstocleantheairisthat________．
A．plantscanletoutallkindsofpollutantsindoorsB．plantsmaytakeinmoreoxygenwhichpeopleneedC．plantscanmakeourhousesprettierandmorehealthyD．plantscanabsorbmanykindsofharmfulindoorchemicals解析：选D。细节明白得题。由文章倒数二三句Studiesofdifferentplantsshowthateachabsorbsdifferentchemicals.Sothemosteffectivewaytocleantheairistousedifferentkindsofplants.能够得知，不同的植物能够吸取不同的化学气体，因此才要在房间内摆放不同的植物。因此答案是D。
Ⅱ.七选五
Kid’shealth：Fourstepsforfightingstress
Everybodygetsstressedfromtimetotime.1.________．Somewaysofdealingwithstress，likescreamingorhittingsomeone，don’tsolvemuch.Butotherways，liketalkingtosomeoneyoutrust，canleadyoutosolvingyourproblemoratleastfeelingbetter.Trytakingthesefourstepsthenexttimeyouarestressed.
7/8

(1Getsupport.Whenyouneedhelp，reachouttothepeoplewhocareaboutyou.Talktoatrustedadult，suchasaparentorotherrelatives.2.________Theymighthavehadsimilarproblems，suchasdealingwithatest，orthedeathofabelovedpet.
(2Don’ttakeitoutonyourself(拿自己出气．Sometimeswhenkidsarestressedandupset，theytakeitoutonthemselves.Oh，dear，that’snotagoodidea.Rememberthattherearealwayspeopletohelpyou.Don’ttakeitoutonyourself.3.________
(3Trytosolvetheproblem.Afteryou’recalmandyouhavesupportfromadultsandfriends，it’stimetogetdowntobusiness(开始干正事.4.________Evenifyoucan’tsolveitall，youcansolveapieceofit.
(4Bepositive.Moststressistemporary(临时的．Rememberstressdoesgoaway，especiallywhenyoufigureouttheproblemandstartworkingonsolvingit.
Thesestepsaren’tmagic，buttheydowork.Andifyoucanstaypositiveasyoumakeyourwaythroughatoughtime，you’llhelpyourselffeelbetterevenfaster.5.________
A．Askforahelpinghandtogetyouthroughthetoughsituation.B．Noticeyourfriends’feelingsandfindawaytohelpthem.C．Differentpeoplefeelstressindifferentways.D．Ah，itfeelssogoodwhenthestressisgone.E．Youneedtofigureoutwhattheproblemis.F．Anddon’tforgetaboutyourfriends.G．Thenfindawaytocalmdown.答案：1～5.CFAED
8/8

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