高中英语北师大版Uint4Cyberspace 课时作业(三)

课时作业(三)Unit4Cyberspace(本栏目内容，在学生用书中以独立形式分册装订！)Ⅰ.单句语法填空1．Mywallethas(disappear)fromthetable.答案：disappeared2．Itisreportedthatthisdisease(attack)thecentralnervoussystem.答案：attacks3．Lackofwaterwilllimittheplant’s(grow)．答案：growth4．Withthegovernment’said，those(affect)bytheearthquakehavemovedtothenewsettlements.答案：affected5．Severalpeoplewerepassingbutnobodyoffered(help)him.答案：tohelp6．Nowadays，thechildrengetthebadhabitofturningontheTVassoonastheycomebackfromschool.答案：into7．Thetreatmenttheygavehimdidhimmore(harmful)thangood.答案：harm8．Hewentbyher(rapid)withoutsayinghellotoher.答案：rapidlyⅡ.选词填空cometrue，focuson，asif，floodin，beoptimisticabout，inreality，contributeto，belikelyto1．Hebeinfluencedbywhatotherssay.答案：islikelyto2．Helooksmuchyoungerbutheisoverfifty.答案：inreality3．HewantstovisittheGreatWallbutithasn’tyet.答案：cometrue4．yourstudyandyoucandobetter.答案：Focuson5．Whatwasitthathissuccess?答案：contributedto6．Weshouldourfutureandcarryonwhateverhappens.答案：beoptimisticabout7．Itlooksitisgoingtosnow.答案：asif8．Afterhebecamefamous，lettersfromalloverthecountryeveryday.答案：floodedinⅢ.完成句子1．Althoughthegroupwere(受到攻击)foraboutamonth，theydidn’tplantogiveintoenemies.答案：underattack2．(很明显)thesickchildneedsfoodandsunshine.答案：It’sobviousthat3．Nowadays，thechildren(养成不良习惯)turningontheTVassoonastheycomebackfromschool.答案：getintothebadhabitof4.Thesunrises，andthesnow(不久就会消失)．答案：willdisappearsoon5．Henevertidiesuphisdesk，soitis(杂乱的一堆)booksandnewspapers.答案：achaosofⅣ.课文语法填空TheFutureofCyberspaceInthelastthirtyyears，theInternet1.(grow)rapidly，andthisgrowthis2.(clear)goingtocontinue.Someexpertsarepessimisticabouttheworryiscrimeinthefuture，terroristsmay“attack”theworld’scomputers，causechaos,3.makeplanesandtrains4.(crash)．However，manypeopleareoptimistic5.thefutureofthe，userscanbuybooks，findoutaboutholidayoffersandsoRossettoofCyberiamagazinebelieves6.，inthefuture，wewillgetentertainmentfromtheNetandthattelevisionwillprobably.mailservicemayalsovanish(消失)withtheincreasinguseofe­mail.Someexpertsseeourfutureinvirtualreality—theuseofcomputerswithsoundsandpictures8.makeyoufeelasif9.areina10.(really)situation.答案：grown6．thatⅤ.完形填空ThedaybeforeFather’sDay，MrsBerryaskedherstudentstomakeacardfortheirpassedoutpaperandpiecesofcloth.Elizabethlookedforawhileattheblueclothandbegantocutshe1herpaperinhalfandbeganElizabethfinallylookedatthemessagetheteachergaveonthepaper，shenoticedsomethingfelther2growhot—shehadn’theardthatanyonewhodidn’thaveafathercouldmakeoneforagrandfatheroranuncle.Asherteacherwalkedtoher，Elizabethtried3hercardwithherarm，butMrsBerrygently4itsothatshecouldreadsat5，waitingforhertosaysomething，butshesawa6rolldownMrsBerry’shadnevermadeMrsBerrysoupset.Whenschoolwasover，Elizabeth7untilalltheotherkidsleftsothatshecould8.“I’msorryfornot’llmakeanothercard9youwant，I’lldoit10andbringittomorrow.”“11areyoutalkingabout？”askedMrsBerry.“MrFather’sDayknowyou’reupsetbecauseIdidn’tdoit12”．“Elizabeth，thatwasthe13cardinthewholewasso14thatitmademecry.”Elizabethwasso15thatsheranoutoftheclassroom.Whenhermomcamehomefromworkthatnight，Elizabeth16togiveherthecardearly.Onthefrontofthecardwasa17ofElizabeth’smom，withabluepieceofclothcutlikeherthecardshehadwritten：DearMom，Iknowyouworkreallyhardtobebothamommyanda(n)18.Iwanttothankyouand19youahappyFather’sDay!Love，ElizabethWhenhermomreadthecardshestarted20，justlikeMrsBerrydid.语篇解读在父亲节来临之际，没有爸爸的伊丽莎白制作了一张特殊的贺卡，这张小小的贺卡让老师也为之动容。1． B．toreC．spread D．folded解析：把制作卡片的纸折叠(folded)起来，这样与下文提到的“卡片里面写有文字”的说法相符。答案：D2． B．faceC．hands D．body解析：从破折号后的部分和下文内容可知，伊丽莎白的卡片是送给妈妈的，而老师要求没有爸爸的同学制作卡片送给爷爷或叔叔。因此，她感到脸上(face)发烫，有些难为情。答案：B3． B．holdingC．doing D．making解析：用胳膊盖住(covering)卡片，符合“伊丽莎白不想让老师看自己制作的卡片”的语境。答案：A4． B．leftC．lifted D．placed解析：老师应该是lifted(举起，拿起)伊丽莎白制作的卡片，目的是看到其内容。答案：C5． B．stillC．up D．down解析：伊丽莎白“一动不动地”坐着，等着老师说些什么，反映出她此时内心很害怕。still是“静止不动”的意思。答案：B6． B．smileC．hair D．sweat解析：从下文看，老师哭了，故此处应该是老师的眼泪(tear)从脸上滚下。答案：A7． B．waitedC．stood D．sat解析：放学后，伊丽莎白想等到(waited)其他同学都走了，再向老师道歉。答案：B8． B．stopC．understand D．stay解析：从下文看，伊丽莎白误认为是自己的卡片使老师生气了，故想道歉(apologize)。答案：A9． B．untilC．unless D．if解析：句意为：如果(if)你想要的话，我将再制作一张卡片。答案：D10．here B．atonceC．athome D．atschool解析：从下文所说bringittomorrow可知是回家做。答案：C11． B．WhoseC．Which D．What解析：what作介词about的宾语，意为“你在谈论什么？”答案：D12． B．quicklyC．wrong D．right解析：由上文可知，伊丽莎白认为老师伤心是因为她没按照老师的要求做。答案：D13． B．bestC．favourite D．simplest解析：这是全班做得最好的贺卡。答案：B14． B．usefulC．sweet D．hard解析：sweet意为“漂亮的，美的”。答案：C15． B．regretfulC．brave D．rude解析：伊丽莎白太高兴了，以至于跑出了教室。答案：A16． B．decidedC．refused D．promised解析：那天晚上母亲下班回家后，她决定把贺卡送给母亲。答案：B17． B．discoveryC．drawing D．writing解析：她在贺卡上画了母亲的画像。答案：C18． B．sisterC．daddy D．aunt解析：我知道你辛勤工作，既当母亲角色又当父亲角色。答案：C19． B．hopeC．want D．congratulate解析：wishhappyFather’sDay祝……父亲节愉快。答案：A20． B．jokingC．worrying D．crying解析：正如老师一样，母亲看了贺卡之后激动地流泪了。答案：DⅥ.阅读理解Whenchoosingalaptopcomputeronline，youshouldfirstconsiderwhatkindoflaptopyouneedbasedonwhatyou’llbeusingitfor.FrequentbusinesstravelIfyourlaptopisalwaysbroughtalongasyoutravelforwork，weightandsizewilllikelybeyourmajorsizeofthescreenisalsolifeneedstobeabovenormalas，reliabilityandperformance(可靠性和性能)arealsoimportant.Lookforalaptopthathasa13­inchmonitorandisaroundfivetosixlifeshouldbearound3to4andIBMareattractivesellerswithstrongreputations(信誉)amongthebusinesscommunity.HomedesktopreplacementHomedesktopreplacementlaptopsaremeanttodoalmosteverythingthatapowerfuldesktopcomputercando，whichmeansthesekindsoflaptopsaregenerallybigandlargebrightscreenisimportanttowatchmovies，videosandsurethereisplentyofRAMandharddrivelifedoesn’tmatterasmuchsinceitwillusuallybepluggedin.Lookforlaptopswithbright17­inchmonitors,3to4GBandGatewayhaveexcellentselectionsofdesktopreplacements.CheaplaptopIfthepriceisyourmainconsideration，andyouuseitonlyforInternetbrowsing，email，lightofficeapplications(应用)andsomelightmultimedia，you’llfindplentyoflaptopsfrom$500to$600thatfityourneeds.WheretobuyDellshouldbeyourfirsteverydaylowpriceshavemadeitoneofthetopcomputercompaniesintheonlinestoresfrequentlyhavegreat，andAmazontendtobemostwell­themoreadventurousones，tryeBayortocheckthereviewsandthereputationsofthesellers.语篇解读随着网络的逐渐普及，网上购物也变得越来越流行。本文告诉了读者如何在网上购买笔记本电脑，各种笔记本电脑的介绍，在购买的过程中需要注意的事项。1．Whenyoubuyalaptopcomputer，thefirstthingyoushouldthinkaboutis.A．price B．purposeC．brand D．weight解析：细节理解题。根据第一段第一句Whenchoosingalaptopcomputeronline，youshouldfirs