高中英语unit4Astronomy:thescienceofthestars第2课时LearningaboutLanguage强化练习新人教版必修3Ⅰ.单项填空1.________theuniversebeganwiththe“bigbang”hasbeenwidelyaccepted.A.WhetherB.WhyC.ThatD.What答案:C句意:宇宙开始于“大爆炸”已被广泛接受。从句中意义完整,只需要引导词,故选C。2.Ithasbeenproved________havingabalanceddiethelpstokeephealthy.A.ifB.becauseC.whenD.that答案:D句意:据证明拥有一个均衡的饮食有助于保持健康。it为形式主语,后面从句为真正的主语,且从句意义完整,故选D。3.________we'llgocampingtomorrowdependsontheweather.A.IfB.WhetherC.ThatD.Where答案:B由dependsontheweather可知,此处应为“是否”之意,应用if或whether,而主语从句置于句首时只能用whether。故选B。4.(2014·莱阳高一检测)________isafactthatEnglishisbeingacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It答案:D句意:英语正被接受成为国际性语言是一个事实。此处用it作形式主语,that从句为真正的主语。5.________madetheparentsproudwas________theirsonhadbeenadmittedtoakeyuniversity.A.What;becauseB.What;thatC.That;whatD.That;because答案:B第一个空用what引导主语从句,what在该从句中充当主语;was后为表语从句,该从句中不缺少任何成分,故用that引导,且不可省略。故选B。6.Itworriedhimabit________hismemorywasbecomingworse.A.whileB.thatC.ifD.what答案:Bit为形式主语,真正的主语从句中不缺少任何成分,故用that引导主语从句,且不可省略。7.(2014·九江高一检测)________theirflightwillarriveontimeis________theyareconcernedabout.A.Whether;whatB.Whether;thatC.When;whatD.How;that答案:A根据语境,主语从句应用whether引导,表示未定的事;what引导表语从句,在从句中作areconcernedabout的宾语。8.________makesthebooksoextraordinaryisthecreativeimaginationofthewriter.A.ThatB.WhatC.WhoD.Which答案:B主语从句缺少主语要用what引导。9.Whenandwhyhecamehere________yet.A.isnotknownB.arenotknownC.hasnotknownD.havenotbeenknown答案:A句意:他什么时候以及为什么来这儿还不知道。whenandwhy引导的从句作主语,谓语动词用单数,且不被知道,故选A。10.Helefthomeseveraldaysago.________worriesmanypeopleandistobefoundout.A.WherehehasgoneB.WheredidhegoC.WhichplacehashegoneD.Wherehashegone答案:A考查从句的语序。这是一个主语从句,需使用陈述句语序。故选A。11.(2014·烟台高一检测)SteveJobshasgonebut______hehasleftbehindistrulyextraordinary.A.thatB.whyC.whatD.how答案:C分析句子结构可知,“________hehasleftbehind”是主语从句,且关系代词在从句中作宾语,故选what。12.(2014·天津,14)Ithink________impressmeabouthispaintingisthecoloursheuses.A.whatB.thatC.whichD.who答案:A考查名词性从句。句意:我认为关于他的绘画让我印象深刻的是他使用的颜色。impresses缺少主语,故用what引导名词性从句;that引导名词性从句,不作成分。13.(2014·泰安高一检测)__________isknowntoallis________wewon38goldmedalsin2012LondonOlympicGames.A.It;thatB.As;whatC.What;thatD.That;what答案:C句意:众所周知,2012年伦敦奥运会上我们赢得了38枚金牌。________isknowntoall是主语从句,从句中缺少主语,意为“所……的”,应由what引导;第二个is后的部分是表语从句,且从句表陈述意义,应由that引导,且不可省略。故选C。14.________seemstobenopossibility________LiHuacanwinthefirstprizeinthe100meterrace.A.It;thatB.There;thatC.There;whetherD.It;whether答案:BThereseemstobe是固定表达;第二个空填that,引导同位语从句补充说明possibility的具体内容。故选B。15.Whyandhowhecamehere________yet.A.isnotknownB.arenotknownC.hasnotknownD.havenotbeenknown答案:A句意:他为什么及如何来这儿还不知道。Whyandhow引导的从句主语,谓语动词用单数,且不被知道,故选A。Ⅱ.完形填空Thebiggestsafetythreatfacingairlinestodaymaynotbeaterroristwithagun,butthemanwiththeportablecomputerinbusinessclass.Inthepast15years,__1__havereportedwellover100__2__thatcouldhavebeencausedbyelectromagneticinterference(干扰).The__3__ofthisinterferenceremainsunconfirmed,__4__increasingly,expertsarepointingtheblameatportableelectronicdevicessuchasportablecomputers,radiosandcassetteplayersandmobiletelephones.RTCA,anorganizationwhich__5__theaviationindustry,hasrecommendedthat__6__airlinesbansuchelectronicdevicesfrombeingused__7__“critical”stagesofflight,__8__takeoffandlanding.Someexpertshavegonefurther,__9__foratotalbanduringallflights.Currently,rulesonusingthesedevicesare__10__uptoindividualairlines.Andalthoughsomeairlinesprohibit(禁止)passengersfrom__11__suchequipmentduringtakeoffandlanding,mostarereluctanttoenforceatotalban.Manypassengerswanttoworkduringflights.The__12__ispredictinghowelectromagneticfields__13__affectanaircraft'scomputers.Experts__14__thatportabledevicesemitradiation,whichaffectsthosewavelengthswhich__15__usefornavigationandcommunication.But,theyhavenotbeenableto__16__theseeffectsinalaboratory;theyhaveno__17__ofknowingwhethertheinterferencemightbe__18__ornot.Thefactthataircraftmaybevulnerable(易受攻击)tointerference__19__theriskthatterroristmayuseradiosysteminorderto__20__navigationequipment.1.A.driversB.pilotsC.engineersD.conductors答案:B文章第一句已表明:当今航空公司面对的最大的安全威胁不是持枪的恐怖分子,而是手提电脑。所以对飞机上的这种事情最了解的应是飞行员,而不是A、C、D的那些人。2.A.actionsB.eventsC.mattersD.incidents答案:D此处指飞机上发生的这类事情。本题同样考查了词义辨析。incident指“较小的事件,插曲,小故事”,action是“(采取的)行动”之意,event是“大事件”,matter指“问题,事情,或麻烦事”等,均不合适。3.A.reasonB.effectC.sourceD.story答案:C根据下句话得知“手提电脑,移动电话”等这些电子装置应是“干扰源”,而不是受干扰的结果,受干扰的应当是飞机。reason不合适是因为reason接for而不接of,表示“……的原因”。4.A.andB.forC.butD.so答案:C“没有确认”(unconfirmed)与“在增加”(increasing)中间应是转折关系,不是递进、因果关系,所以不选A、B、D。5.A.advisesB.persuadesC.ensuresD.warns答案:A因为下文用了recommend(劝告)一词,所以这个组织应该是向航空工业提建议的一个组织,这样才前后一致。6.A.someB.severalC.allD.no答案:C因为这种电磁的(electromagnetic)干扰对飞机航空的安全造成最大的威胁,所以应该是所有的飞机都要有这样的禁令。7.A.forB.withC.byD.during答案:D此处指飞机在飞行期间的一些对技术设备要求严格、要求高的时期,一定要严禁使用此类装置,例如:起飞、降落等。critical原意为“挑剔的,紧要危急的”,在此略有转义;stage原意“舞台”,此处意指“阶段,时期”,所以用during。8.A.particularlyB.speciallyC.unfortunatelyD.possibly答案:A据上面解释,特别是起飞时。9.A.lookingB.callingC.waitingD.asking答案:B有些专家要求更高,要求在飞行期间要禁用:callfor意为“需要,要求”;askfor意为“要,索取”。10.A.putB.leftC.givenD.sent答案:B表示目前使用这些设置的规矩都留了下来,由那些individualairlines自己决定,因为下文有表达:许多乘客还是想在飞机上办公。11.