高考英语创新一轮复习学案导学人教版讲义第一部分必修二Unit3

Unit3putersⅠ.情景默写1.Therealproblemrelatestothepossibilitythatartificial(人造的)intelligence(AI)maybeeextremelygoodatachievingsomething.(2017·北京卷)2.Havingcreatedninesuchicereserves，Norphelcalculates(计算)thathehasstoredabout200，000m3ofwater.(2017·江苏卷)3.—Canyoutellusyourrecipeforhappiness(幸福)andalonglife?(2016·江苏卷)—Livingeverydaytothefull，definitely.4.Thebestwaytoescapeaproblemistosolve(解决)it.5.Ascanbeseenfromthecharts，moreandmorepeopleownmobile(移动的)phonesinChina.6.Anyhow(无论如何)，differentcultureshavedifferentcustoms.7.Lifeispaintingapicture，notdoingasum(算术题).8.Nowadays，thenetwork(网络)providesuswithgreatconvenience.9.Aslongaswehaveahealthybody，wecanachieveourgoal(目标).10.Don’tbotherhim，fortheoperatorisbusydownloading()somesoftwareingreatneednow.11.Thisnewvirus(病毒)hasmadehisputeroutoforder，sohehastohaveitrepaired.12.Thetypistisgoodattyping(打字)paperswithputers.13.Asaleader，healwayskeepscalmwheneverproblemsarise(出现；发生).14.Withthehelpofanelectronic(电子的)devicethespeaker’svoicecanbeheardclearly.15.Thetwinslookalikebuthaveverydifferentcharacters(性格).16.Thecleanerwasmopping(用拖把拖)thefloorwithamopwhenthemanagerentered.17.Pleasepayattention!Redisasignal(信号)ofdanger.18.Hisdreamofopeningarestaurantbecameareality(现实)in2016.19.I’mgoingtodeliveraspeechabouthowtodeal__with(处理)troubles.20.Roberthasrichworkexperience，soitwillmake__up(弥补)forhislackofacademicknowledge.21.Theyusespeciallytraineddogstowatch__over(看管)theirsheepatnight.22.—Howabouthisspeechatthemeeting?—Whathesaidwasreasonablein__a__way(在某种程度上).23.Sharethehappinesswith(与……分享)others，andyouwillgetmorehappiness.24.Thoughtheyaretwins，theyhavenothingin__mon(和……有共同之处).25.Therehavebeensomanyconflictsintheworldrecently.As__a__result(结果)，peopleareconcernedabouttheworldpeace.26.With__the__help__of(在……的帮助下)Dr.Robot，ahumandoctorcanhavealotofusefulinformationwhenhemeetshispatient.Ⅱ.词性转换1.Thereisanotherkindofbeautythathasnothingtodowithappearance(appear)，butesfromtheheart.2.Youngpeoplewantsomethingtotally(total)differentfromtheoldways.3.Ateamofexplorerswillexplorethevalleyandtheexplorationwilllast10days.(explore)4.—Canyousaythatdolphinsaremuchmoreintelligentthanotheranimals?—Well，theyareanimalsofhighintelligenceandtheycanmunicate.(intelligent)5.Afterthepresidentmadeanofficialannouncement，sheexpressedherpersonalopinion.Personallyspeaking，Iagreedwithwhatshesaid.(personal)6.AnyapplicantwhowouldliketoapplytobeeanassistantinourpanyshouldsendusanapplicationbeforeDecember10，2018.(apply)7.Withthetechnologicaldevelopment，manythingscanbedonewithadvancedtechnology.(technology)8.Themeaningsofwordsarenotsimple，andyou’dbettersimplifythem.(simple)1.句型公式：before引导的时间状语从句要过几年冬季奥运会才在北京举行。It__will__be__a__few__years__beforethewinterOlympicGamesareheldinBeijing.2.句型公式：as引导的时间状语从句随着网络的普及，我们和朋友面对面的交流变少了。As__the__Internet__is__being__more__and__more__popular,__wehavefewerface－to－facetalkswithourfriends.3.句型公式：so...that...结果，孩子们变得如此依赖他们的父母，他们没有独立的想法或创意。Asaconsequence，childrenbeeso__reliant__on__their__parents__thattheyhavenoindependentthoughtorcreativeideas.(福建卷·写作)4.句型公式：while引导的省略句人们可以一边吃月饼一边赏月，月饼是这个节日的特殊食品。Peoplecanenjoythemoonwhile__eating__moon__cakes，whicharethespecialfoodforthisfestival.(辽宁卷)5.句型公式：whenever引导让步状语从句这本书中含有你需要的所有信息，你可以随时使用它们。Thisbookcontainsalltheinformationyouneed，andyoucanuseitwhenever__you__like.第一板块重点单词1.signalvi.&vt.发信号n.信号高考必刷题练透单句语法填空①Thepolicesignalledthedriverto__stop(stop)hiscarbyraisinghishand.②Amanstoodupandcrossedhisarmsoverhishead，signaling(signal)thathewasstronglyopposed.③Cyclistswhogivesignals(signal)beforeturningorstoppinghelppreventaccidents.状元笔记全记牢(1)signal(to)sbtodosth示意某人做某事signalthat...示意……(2)sendoutasignal发出信号givesignals/asignal(tosb)(向某人)发信号atrafficsignal交通信号2.arisevi.出现；发生；产生；起身；起床高考必刷题练透(1)写出下列句中arise的含义①Seeinghismotherreturn，theboyarosefromhischairimmediately.起身②Newproblemswillariseoneafteranotherinfuture.出现③Theyaroseatsunrisetogetanearlystarttothepark.起床④Accidentsoftenarisefromcarelessness.产生(2)语段填空(arise，rise，raise，arouse)/句型转换⑤Generallyspeaking，theproblemsbetweenparentsandchildrenoftenarisefromlackofmunication.Althoughthestandardoflivinghas__been__raised，manychildrencan’tgetalongwellwiththeirparents.Inordertosupportthefamily，theyhavetorise/ariseearlyinthemorningtogotowork.Maybe，itwill__arousetheirmotivationtostudyhardwhentheyrealizethehardshiptheirparentssuffer.⑥Atbreak，ourheadteachergotdowntodealingwiththematterwhicharosefromhisclass.→At__break，our__headteacher__got__down__to__dealing__with__the__matterarising__from__his__class.(分词作定语)状元笔记全记牢(1)arise作“呈现；出现；发生”之意时，主语多为抽象名词argument/problem/quarrel/question/movement等，多指不好的事情发生。(2)arisefrom/outof...由……而引起；由……而产生；从……中产生。【辨析】单词词义过去式过去分词现在分词arisevi.出现；发生arosearisenarisingarousevt.唤醒；激起arousedarousedarousingrisevi.升起；上升roserisenrisingraisevt.举起；饲养raisedraisedraising【助记】第二板块核心短语1.inaway从某一角度看；在某种程度上高考必刷题练透用way的相关短语填空①Mrs.Smithfindsithardtoclearupthemess，asherchildrenarealwaysin__the__waywhenevershetriesto.②In__no__wayshouldyouloseheartwhenyouarefacedwithdifficulties.③Hedecidedthathewoulddriveall__the__wayhomeinsteadofputtingupatahotelforthenight.④In__a__way，itisagoodthingthatIdidnotgetthepostIhadappliedfor，thoughImustadmitthatIwasdisappointedatthattime.状元笔记全记牢alltheway一路上；自始至终；完全bytheway顺便说一下innoway一点也不；决不(位于句首，句子应使用部分倒装)inthisway用这种方法intheway挡道；碍事ontheway在途中2.dealwith处理；安排；对付；应付；论及；涉及；与……打交道、做买卖高考必刷题练透写出下列句中dealwith的含义/一句多译①Interruptionsareoneoftheworstthingstodealwithwhileyou’retryingtogetworkdone.处理；应付(2017·全国卷Ⅱ)②Hisarticlesdealwithmanyissuesabouttheworld.论及；涉及③Hisworkexperienceequippedhimtodealwithallkindsofpeople.与……打交道④我不知道他们将如何处理这个问题。④－1I__don’t__know__how__they__will__deal__with__the__problem.④－2I__don’t__know__what__they__will__do__with__the__problem.状元笔记全记牢(1)dealwith表示“处理”时，常与连接副词how连用；(2)dowith表示“处理”时，常与连接代词what连用。【联想】①makeadeal达成协议；做成交易②It’sadeal.成交；一言为定③abigdeal非常重要的事；重要的人3.asaresult结果高考必刷题练透单句语法填空/句型转换/微写作①Asaresult，peoplewilleatmorefoodtotrytomakeupforthatsomethingmissing.(2017·全国卷Ⅰ)②Thereisnodoubtthathislazinessresultedinhisfailure.③Hisdietisunhealthy.Asaresult，heisill.→Heisillas__a__result__ofhisunhealthydiet.→Hisillnessresults__fromhisunhealthydiet.→Hisunhealthydietresults__inhisillness.④我要参加一个重要的会议，因此不能陪你去书店了。(2016·全国卷Ⅲ)I__will__attend__an__important__meeting.As__a__result/consequence，I__can’tacpany__you__to__the__bookstore.状元笔记全记牢(1)asaresult的同义词语：asaconsequence，consequently(2)asaresultof由于；作为……的结果withoutresult毫无结果(3)resultfrom由……引起resultin导致；结果【联想】表示“由于”的其他介词短语：①becauseof②thanksto③dueto④owingto⑤onaccountof第三板块经典句式1.Astimewentby，Iwasmadesmaller.随着时间的推移，我被做得更小了。高考必刷题练透单句语法填空/一句多译①Withthewealthofthecountryincreasing(increase)，morewastewillbeproduced.②Astheworld’spopulationcontinues(continue)togrow，thesupplyoffoodbeesmoreandmoreofaconcern.③随着时间的推移，我逐渐适应了学校生活。③－1As__time__went__by，Igraduallyadaptedmyselftotheschoollife.③－2With__time__going__by，Igraduallyadaptedmyselftotheschoollife.状元笔记全记牢(1)连词as意为“随着”，引导时间状语从句。(2)介词with意为“随着”时，后接名词或代词等构成with短语或with复合结构。2.AndmymemorybecamesolargethatevenIcouldn’tbelieveit!我的存储量变得如此之大，连我自己都不能相信！高考必刷题练透单句语法填空/单句改错/句型转换①TherearesomanyspellingmistakesinyourpositionthatIcan’tunderstandwhatyouarewritingabout.②Theyaresuchlittlebirdsthatwecan’tseetheminthesky.③ThesearesuchlargeshoesthatIcan’twearthem.④Itwassuchgoodweatherthatwedecidedtogooutforawalk.⑤Hewassoexcitedthathecouldnotspeak.⑥Hewassoveryweakthathecouldn’twalk.去掉very⑦Theymadesorapidprogressthattheydidwellinthemidtermexamination.so→such⑧Heissuchapoliteboythateveryonelikeshim.→He__is__so__polite__a__boy__that__everyone__likes__him.(用so...that...)⑨TheteacherspokesofastthatIcouldn’tfollowhim.→So__fast__did__the__teacher__speak__that__I__couldn’t__follow__him.(用倒装句)状元笔记全记牢(1)so...that...引导结果状语从句，意为“如此……以至于”。(2)so...that...句型的常见形式：①so＋adj./adv.＋that...②so＋adj.＋a/an＋单数可数名词＋that...③so＋many/few/much/little...＋n.＋that...(3)such...that...句型的基本结构：①such＋a/an＋adj.＋单数可数名词＋that...②such＋adj.＋复数可数名词/不可数名词＋that...【点津】当so/such及其后成分放在句首时，主句用部分倒装。Ⅰ.课文语法填空MyfirstfootballpetitionwasinNagoya，Japanseveralyearsago.LastyearourteamwenttoSeattle，WashingtonintheUSA.Wewon1.second(two)place.2.Personally(personal)，Ithinktheteamthatwonfirstplace3.cheated(cheat).Theyhaddevelopedanewtypeofprogramjust4.beforethepetition.Soweneedtoencourageour5.programmer(program)toimproveourintelligencetoo.Wearedeterminedtocreateaneven6.better(good)system.Inawayourprogrammerislikeourcoach.Sheprogramsuswithallthepossiblemovesshehasseenwhile7.watching(watch)humangames.Thenshepreparesreliablemovestouse8.ifanewsituationarises.InthiswayIcanmakeupnewmovesusingmy“artificialintelligence”.Iwouldreallyliketoplay9.against/withahumanteam，forIhavebeenprogrammedtoactjustlikethem.Afterall，withthehelpofmyelectronicbrainwhichneverforgetsanything，10.using(use)myintelligenceiswhatI’mallabout!Ⅱ.课文短文改错Thesechangesonlybecamepossiblyasmymemoryimproved.Firstitstoredintubes，thenontransistorsorlateronverysmallchips.AsaresultofItotallychangedmyshape.AsIhavegrownolderIhavealsogrownsmall.Overtimemymemoryhasdevelopedsomanythat，likeanelephant，IneverforgetsomethingIhavebeentold！AndmymemorybecamesolargethatevenIcouldn’tbelieveit！ButIwasalwayssoalonestandingtherebymyself，untilinearly1960stheygavemeafamilyconnectedbyanetwork.IwasabletosharemyknowledgewithothersintheWorldWideWeb.答案Thesechangesonlybecameeq\f(possibly,possible)asmymemoryimproved.Firstitstoredintubes，thenontransistorseq\f(or,and)lateronverysmallchips.Asaresulteq\a\vs4\al(of)Itotallychangedmyshape.AsIhavegrownolderIhavealsogrowneq\f(small,smaller).Overtimemymemoryhasdevelopedsoeq\f(many,much)that，likeanelephant，Ineverforgeteq\f(something,anything)Ihavebeentold！AndmymemorybecamesolargethatevenIcouldn’tbelieveit！ButIwasalwayssoeq\f(alone,lonely)standingtherebymyself，untilinearly1960stheygavemeafamilyconnectedbyanetwork.Iwasabletosharemyknowledgewithotherseq\f(in,through)theWorldWideWeb.Ⅲ.单元要点微写作如今，电脑已经成为日常生活中必不可少的工具，它给我们带来了很大的便利，但也有很多不利。下面请你就电脑的利与弊谈一下自己的看法。内容必须包括以下要点：1.利：电脑可以用来打字、发信号、处理重要事情；2.弊：许多学生对电脑如此着迷以至于花费了太多的时间，有些甚至导致考试失败；3.你的看法：电脑在日常生活中起着非常重要的作用。注意：1.请根据以上提示写一篇60词左右的短文；2.尽量多地使用本单元的知识点；3.可适当增加细节。【参考范文】Inourdailylife，puterscanbeusedtotype，signal，andevendealwithsomeimportantthings.Inaway，theyhavechangedourlife.However，manystudentsbeesocrazyaboutputersthattheyspendtoomuchtimeonthem.Asaresult，someofthestudentsfailintheexams.Anyhow，putersplayanimportantpartinourlife.Ⅰ.阅读理解Thewalletisheadingforextinction.Asaday－to－dayessential，itwilldieoffwiththegenerationwhoreadprintnewspapers.Thekindofshopping，whereyouhandovernotesandcountoutchangeinreturn，nowhappensonlyinthemostminorofourretailers(零售商)，likebuyingabarofchocolateorapintofmilkfromacornershop.Attheshopswhereyouspendanyrealmoney，thatmoneyisincreasinglyabstracted.Andthisismoreandmoretrue，thehigherupthescaleyougo.Atthemostcuttingedge(前沿的)retailstores，VictoriaBeckhamonDoverStreet，forinstance，youdon’tgoandstandatanykindofcashregisterwhenyoudecidetopay.ThestaffareequippedwithiPadstotakeyourpaymentwhileyourelaxonasofa.Acrosssociety，theabstractionoftheideaofcashmakesmeuneasy.MaybeI’mjustold－fashioned.Butearningmoneyisn’tquickoreasyformostofus.Isn’titabitweirdthatspendingitshouldhappeninhalfablink(眨眼睛)ofaneye?Doesn’tawallet，thattime－honoredFriday－nightfeelingofpleasing，promisingfatness，representsomethingthatmatters?ButI’llleavetheeconomicstotheexperts.Whatbothersmeaboutthedeathofthewalletisthechangeitrepresentsinourphysicalenvironment.Everythingaboutthelookandfeelofawallet，thewaythematerialswearandtearandloosenwithage，theplasticandpaperandgoldandsilver，andhandwrittenphonenumbersandprintedcinematickets，istheveryoppositeofwhatourworldisbeing.TheoppositeofawalletisasmartphoneoraniPad.Theroundededges，coolglass，smoothandunknowableasapebble.Insteadofdiggingthroughpiecesofpaperandpeeringintocorners，wemoveourfingersleftandright.Nomorecountingoutcoins.Showyourwallet，ifyoustillhaveone.Itmaynotbeheremuchlonger.【语篇导读】文章介绍随着电子商务的发展，钱包就要消失了，作者认为自己过时了，对这个日益变化的世界感觉不安。1.Whatishappeningtothewallet?A.Itisdisappearing.B.Itisbeingcostly.C.Itisbeingfattened.D.Itischanginginstyle.答案A[细节理解题。根据文章第一段中的“Thewalletisheadingforextinction.”可知，钱包正在消失。故选A。]2.Howarebusinessesdoneinbigmodernstores?A.Individually. B.Intheabstract.C.Electronically. D.Viaacashregister.答案C[细节理解题。根据文章第一段中的“youdon’tgoandstandatanykindofcashregisterwhenyoudecidetopay.ThestaffareequippedwithiPadstotakeyourpaymentwhileyourelaxonasofa.”可知，在大型现代化的商店，生意是用电子手段做的。故选C。]3.Whatmakestheauthorfeelunfortablenowadays?A.Savingmoneyisbeingathingofthepast.B.ThepleasingFriday－nightfeelingisfading.C.Earningmoneyisgettingmoredifficult.D.Spendingmoneyissofastandeasy.答案D[细节理解题。根据文章第二段中的“Butearningmoneyisn’tquickoreasyformostofus.”可知，挣钱不快也不容易，但花钱这么快这么容易让作者不舒服。故选D。]4.Whatcanweinferfromthepassageabouttheauthor?A.Heisresistanttosocialchanges.B.Heisagainsttechnologicalprogress.C.Hefeelsreluctanttopartwiththetraditionalwallet.D.Hefeelsinsecureintheever－changingmodernworld.答案D[推理判断题。根据最后一段中的“Whatbothersmeaboutthedeathofthewalletisthechangeitrepresentsinourphysicalenvironment.”可知，作者认为在千变万化的现代化社会，他感觉不安全。故选D。]Ⅱ.七选五Myfatherusedtobeanamateurwrestlerandnationalchampion.Hewasforcedbyhisfathertogiveupthesportinordertoobtaingainfulemployment，whichmeanthewouldn’tbeabletowinamedalforourcountry.Therefore，hemadeavowthathisunbornsonwouldrealizehisunfinisheddream.__1__Hewasabouttogiveuphopewhenoneday，myyoungersisterBabitaandIbeatuptwoboysaccidentallyinresponsetocriticalments.Mydadfoundourpotentialtobeewrestlersandbegancoachingus.__2__Wewererequiredtodophysicaltrainingearlyinthemorningandhaveshorthaircutstoavoidlice.__3__Weplainedabouthimallthetime.Gradually，Irealizedthathewantedustohaveagoodfutureandnotgrowuptobeordinaryhousewives.Motivated，wewillinglyparticipatedinhiscoaching.Withgreatefforts，hemadeuspetitivewrestlersandIwonjuniorandseniorchampionships,providingmewithachancetogaintrainingintheNationalSportsAcademy，whereprideandagonyfulfilledmymind.__4__Asaresult，Ifoundmyselflosingeverymatchattheinternationallevel.Afterthat，Iturnedtohimforhelp.Thenhecoachedmepatiently.Despitedifficulty，IfinallybecamethefirstIndianfemalewrestlertoqualifyfortheOlympics，inspiringdozensofIndianwomentotaketowrestling.Evennow，Papa’swordsarestillinmymind“Geeta，thinkaboutallthegirlswhoarethoughttobeinferiortoboys，girlswhoareforcedtodochores，girlswhoaremarriedandhavechildren.Notonlywillyoupetewithothercountries，butalsowiththosewholookdownuponwomen！”IwillneverforgetaboutFather’sinstruction.__5__A.Buthismethodswerecruel.B.IalmostabandonedwhatPapahadtaughtme.C.Disappointingly，mymothergavebirthtoallgirls.D.MysisterandItriedtoescape.E.Iwillalwaysoweallsuccesstohim.F.Atfirst，mysisterandIdidnotunderstandourfather.G.However，mymotherdidn’tagreewithhim.【语篇导读】“我”的爸爸曾经是业余的摔跤运动员和全国冠军，但被迫放弃了摔跤，他把所有的希望寄托在未出生的儿子身上，但是“我”的妈妈生的都是女孩。一天爸爸发现了“我”和妹妹身上的摔跤天赋，并开始对我们进行严格训练，最终“我”成为印度第一位取得参加奥运会资格的女子摔跤运动员。1.C[根据空处前一句“Therefore，hemadeavowthathisunbornsonwouldrealizehisunfinisheddream”可知，他要让他未出生的儿子实现他未完成的梦；结合第二段第一句“Hewasabouttogiveuphopewhenoneday..ments”可知，他几乎放弃了希望；据此可以判断，“我”的妈妈生的都是女孩，所以父亲很失望，故C项符合语境。]2.A[根据空处后一句“Wewererequiredtodophysicaltrainingearlyinthemorningandhaveshorthaircutstoavoidlice”可知，我们在清晨便要参加训练，必须剪成短发；据此可以判断，父亲的训练方法很残酷，故A项符合语境。]3.F[本段讲述了我们对于爸爸残酷的训练方式从不情愿到接受的心态的变化；根据空处后一句“Weplainedabouthimallthetime”可知，我们开始对父亲是抱怨、不理解的。故选F项。]4.B[根据空处后一句“Asaresult，Ifoundmyselflosingeverymatchattheinternationallevel”和下文中的“Afterthat，Iturnedtohimforhelp”可知，“我”在国际水平的比赛中总是失败，而上文中讲的却是“我”不断胜利，拿到冠军；由此可知“我”摒弃了爸爸教给“我”的方法，结果在每一场国际水平的比赛中“我”都输了，故选B项。]5.E[本段叙述了爸爸的话，结合空处前一句“IwillneverforgetaboutFather’sinstruction”可知，“我”不会忘记爸爸的教导，并从全文来看，“我”的成功与爸爸是分不开的。故选E项。]Ⅲ.完形填空Oneday，aprofessorenteredtheclassroomandaskedhisstudentstoprepareforasurprisetest.Theywaitedanxiouslyattheirdesksforthetesttobegin.Theprofessor__1__thequestionpapers，withthetextfacingdownasusual.__2__hehandedthemallout，heaskedhisstudentsto__3__thepageandbegin.Toeveryone’ssurprise，therewereno__4__，justablackdotinthecenterofthepage.Theprofessor，seeingtheexpressiononeveryone’sface，toldthemthefollowing：“Iwantyoutowritewhatyou__5__there.”Thestudents，__6__，gotstartedontheinexplicable(费解的)task.Attheendoftheclass，theprofessor__7__alltheanswerpapersandstartedreadingeachoneofthemaloudinfrontofallthestudents.Allofthem，withno__8__，describedtheblackdot，tryingtoexplainitspositioninthemiddleofthesheet，etc.Afterallhadbeen__9__，theclassroomwassilent，andtheprofessorbegantoexplain：“I’mnotgoingtograde(打分)this.I__10__wantedtogiveyousomethingtothinkabout.Noonewroteaboutthe__11__partofthepaper.Everyonefocusedontheblackdot，andthesamehappensinour__12__.Wehaveawhitepapertoobserveand__13__，butwealwaysfocusonthedarkspots.Ourlifeisa__14__giventouswithloveandcare，andwealwayshave__15__tocelebrate：naturerenewingitselfeveryday，ourfriendsaroundus，thejobthat__16__ourlivelihoodandthemiraclesweseeeveryday.__17__，weinsistonfocusingonlyonthedarkspots：thehealthissuesthatbotherus，thelackofmoney，the__18__relationshipwithcolleagues，the__19__withafriend，andetc.Thedarkspotsarevery__20__paredtoeverythingwehaveinourlives，buttheyaretheonesthatpolluteourminds.”【语篇导读】本文主要讲述了教授通过让学生们做一份特殊的试卷而给学生们上了一堂生动的哲理课：不要太关注人生的不完美，要好好享受我们所拥有的美好！1.A.handedout B.wrappedupC.referredto D.pointedat答案A[根据下文的“__2__hehandedthemallout”可知，教授进教室后，给学生们分发(handedout)试卷。]2.A.Since B.UntilC.If D.After答案D[根据语境可知，上下句表示逻辑上的时间先后关系，故用after引导时间状语从句。]3.A.fold B.turnC.open D.use答案B[根据语境“andbegin”可推知，教授要求学生们翻