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Unit3Theworldonline(主题语境:人与社会——科学与技术)-2-1.turnto向……求助[教材原句]Whenpeopleneedinformation,fromthenewsandweatherforecaststotravelpackagesandacademicresearch,theInternetisnowthefirstsourcetheyturnto.当人们需要信息时,无论是时事新闻、天气预报还是旅游包裹和学术研究,因特网如今是很多人的首选信息源。(P34)语境巧练用turn短语的适当形式填空①Iwanttodosomereadingwhenhemustturnuptheradio.②Don’talwaysturntothedictionarywhenyoucomeacrossanewword.③Wepolitelyturneddowntheinvitation.④AccordingtoBritishpolice,someonefoundthebagandturneditin.⑤Itturnedoutthatshewasafriendofmysister.-3-考点必记turnup出现;把……(音量)调大turnaway不准某人进入turnback返回,往回走turndown降低,减弱;拒绝turnin交还;上交turnoff关闭,关掉turnon打开,开启turnout结果是turnover翻转,翻过来-4-2.commandn.命令;控制;掌握vt.命令;指挥;控制[教材原句]Withthetouchofabuttonortheclickofamouse,astudentwillfindabundantinformationfromthelargestlibrariesandmuseumsintheworldathisorhercommand.一名学生轻按键盘键或点击鼠标,就能从世界上最大的图书馆和博物馆中找到大量信息,加以使用。(P34)-5-语境巧练单句填空①Hecommandedthatthearmy(should)attack(attack)atonce.②ShehasagoodcommandofspokenEnglish.③Shecommandedhimtogo(go)away,butheneitherturnedhisfacetoher,norraisedit.④Thequeencommandedthatthemanreferredto(should)beinvited(invite)toherbirthdayparty.⑤Iamhereatthepresident’scommand.⑥Thegeneralisincommandofmanysoldiers.-6-考点必记(1)haveagoodcommandof...精通……;掌握……incommandof...指挥……(带有主动意味)in/underthecommandof由……指挥(带有被动意味)atone’scommand听某人支配(2)commandsbtodosth命令某人做某事(3)commandthat...命令……,从句用虚拟语气,即谓语动词为(should)do形式。command后面的宾语从句、表语从句或同位语从句常用虚拟语气,谓语形式是“should+动词原形”,should可省略。与command用法一样的单词还有demand,order,suggest,advise,insist,request,desire,urge等。-7-3.correspondvi.通信;相一致,符合;相当于[教材原句]Whatismore,peoplewhoaredisabledandmuststayintheirhomescancorrespondandcommunicatewithothersaroundtheglobewhohavesimilarinterests.此外,身有残疾而必须待在家里的人能与全球各地趣味相投的人们通信、交流。(P34)-8-语境巧练单句填空①Yourdescriptionoftheeventdoesn’tcorrespondwith/tohers.②SheisstillincorrespondencewithAmericanfriendsshemetnineyearsago.③Investmentintherailwayswillbringacorresponding(correspond)improvementinservices.④I’malsoacorrespondent(correspond)forscience.⑤Hisinterestinwritingcamefromalongcorrespondence(correspond)withaclosecollegefriend.-9-考点必记(1)correspondto/withsth和……相符,与……一致correspondwithsb与……通信(2)correspondencen.往来书信;通信联系;相关,相似incorrespondencewith与……有通信联系(3)correspondingadj.符合的;相应的;相关的correspondentn.记者;通讯员;通信者-10-4.dropout退学,辍学;退出,脱离[教材原句]Oneuniversitydidastudyaboutthestudentswhohaddroppedout,andfoundthat43percentofthemwereheavyInternetusers.某大学曾对辍学的学生做过一项调查,发现他们中43%的人是网迷。(P35)语境巧练用drop短语的适当形式填空①Don’tdropbehindtheothersonthetrailincaseyougetlost.②OnmywayhomeIdroppedinathishouse.③Herpopularityhasdroppedoffrecently.④Shestartedadegreebutdroppedoutafteronlyayear.⑤IthoughtI’ddropinonyouwhileIwaspassing.-11-考点必记dropbehind(sb)/back落后,后退,落在……后面dropby/in/round=dropinonsb=dropintosth顺便访问dropoff(数量、兴趣等)下降;小睡;打盹儿dropsbaline给某人写信dropinatsp.顺便到访某地写作佳句Heisaddictedtocomputergames,andthatiswhyhehastodropoutofschool.他迷恋电脑游戏,那就是他不得不辍学的原因。-12-5.withdrawvi.&vt.(withdrew,withdrawn)脱离(社会),不与人交往;撤回;取(款)[教材原句]ThisstudyshowsthatpeoplewhospendtoomuchtimeontheInternettendtowithdrawfromthepeopleandtheworldroundthem.这项研究显示,将过多的时间用于上网的人往往与周围的人和世界脱离。(P35)语境巧练单句填空①Hedecidedtowithdrawfromtheelectioncontest.②Iwouldexpectthemtobeginanimmediatewithdrawal(withdraw),whichistheircommitment.-13-考点必记(1)withdrawfrom...不与人交往;退出withdraw...from...从……撤离/退出/提取……(2)withdrawaln.撤退;退回;取消-14-6.either...or...要么……要么……[教材原句]IfeelitisimportantforuseithertolimitouruseoftheInternet,ortolearnhowtohandletheproblemsithascaused.我觉得对我们来说,要么限制互联网的使用,要么学会处理它所造成的问题是非常重要的。(P35)语境巧练单句填空①NeithermywifenorImyselfam(be)abletopersuademydaughtertochangehermind.②Notthepassengersbutthedriverwas(be)toblame.③Eitheryouoroneofyourstudentsis(be)toattendthemeetingtobeheldtomorrow.④Notonlyishelearnedbutalsohehas(have)agoodcharacter.-15-考点必记句中either...or...意为“要么……要么……;或者……或者……”,用于连接两个性质相同的单词或短语。连接两个成分做主语时,谓语动词通常与其靠近的主语保持一致。其他类似的结构还有:neither...nor...既不……也不……not...but...不是……而是……notonly...butalso...不仅……而且……-16-7.alarmvt.使担心,使害怕,使警觉n.警报(器);惊慌;闹钟[教材原句]ThisisanunfortunateaspectoftheInternetthatalarmsme.这是给我敲响了警钟的有关因特网不好的一面。(P37)语境巧练单句填空①Thesechemicalscomefromtheinjuredpartsoftheplantandseemtobeanalarm.(2017·全国Ⅱ卷,阅读理解)完成句子②Whilehesounded/gave/raisedthealarm(发出警报),astudentfromLeedsclimbeddowntheclifftocatchJudy.③Theelephanthadheardthedistantalarm(遥远的警报)callsofanimalsandhermoodsuddenlychanged.-17-考点必记bealarmedby/atsth因……而惊恐bealarmedtodosth做某事感到恐慌inalarm惊恐地(常做状语)give/raise/soundthealarm发出警报aburglar/firealarm防盗/防火警报器-18-8.abandonvt.放弃;抛弃,舍弃[教材原句]Theywouldnothaveachievedtheirsuccessiftheyhadabandonedtheirdreams.如果他们放弃了他们的梦想,就不可能取得成功。(P41)-19-语境巧练单句填空①Wangcollectedmorethan7millionabandoned(abandon)bricksofdifferentages.(2018·全国Ⅲ卷,阅读理解)②However,theseplanswereabandoned(abandon)becauseoffinancialproblems.③Heabandonshimselftowinewhilehiswifeisabandonedtoonlineshopping.④Judgingfromthefurnitureintheroom,thebuildinghasbeenabandoned(abandon)foranumberofyears.⑤Finally,weendedupinanabandonedvillage.-20-考点必记abandononeselfto沉湎于……;纵情于……abandondoingsth放弃做某事abandonone’shope/plan/idea放弃希望/计划/主意写作佳句他抽烟成瘾,从而得了肺癌。Asheabandonedhimselftosmoking,