主語從句題庫及答案詳解

一、單項(xiàng)選擇題（每題2分，共10題）1.Itisknowntousall______lighttravelsinstraightlines.A.thatB.whatC.whichD.where2.______hewillcomeiscertain.A.IfB.WhetherC.ThatD.What3.______makesmistakesmustcorrectthem.A.WhatB.ThatC.WhoeverD.Whatever4.Itworriedherabit______herhairwasturninggrey.A.whileB.thatC.ifD.for5.______weneedismoretime.A.WhatB.ThatC.WhichD.Whatever6.______isafactthatEnglishisbeingacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It7.Itisstillunknown______willwinthegame.A.whoB.whomC.whichD.what8.______yousaidisofgreatimportancenow.A.ThatB.WhatC.WhichD.Whether9.Thequestionis______willtaketheplaceofhim.A.whoB.whatC.thatD.which10.Itisclear______hehasfinishedhiswork.A.whatB.whichC.thatD.whether答案：1.A2.C3.C4.B5.A6.D7.A8.B9.A10.C二、多項(xiàng)選擇題（每題2分，共10題）1.Whichofthefollowingcanbeusedtoleadsubjectclauses?（）A.thatB.whatC.whetherD.who2.Subjectclausescanbeplaced（）A.atthebeginningofasentenceB.after“it”C.inthemiddleofasentenceD.attheendofasentence3.Inthesentence“Itisimportantthatweshouldprotecttheenvironment.”,thesubjectclauseis（）A.ItB.thatweshouldprotecttheenvironmentC.importantD.weshouldprotecttheenvironment4.Whichsentenceshavesubjectclauses?（）A.Whatyouneedisagoodrest.B.Thatheisrightisobvious.C.Whetherhewillcomeisstillaquestion.D.Iknowthatheisagoodstudent.5.Thefunctionofsubjectclausescanbe（）A.asthesubjectofasentenceB.toexpressafactC.toexpressadoubtD.toexpressawish6.Whenusing“it”asaformalsubject,therealsubjectclausecanbe（）A.athat-clauseB.awh-clauseC.aninfinitivephraseD.agerundphrase7.Whichofthefollowingstatementsaboutsubjectclausesarecorrect?（）A.That-clausesinsubjectclausescan'tbeomitted.B.What-clausescanfunctionasboththesubjectandtheobjectinasentence.C.Whether-clausesareoftenusedtoexpressuncertainty.D.Who-clausescanbeusedtorefertopeople.8.Subjectclausescanstartwithwordslike（）A.wheneverB.whereverC.whateverD.whoever9.Inthesentence“Itseemsthathehasmadeabigmistake.”,（）A.“it”isaformalsubjectB.“thathehasmadeabigmistake”istherealsubjectC.thesentencepatternis“It+seem+that-clause”D.itmeanshesurelymadeabigmistake10.Whichofthefollowingsentencescontainsubjectclauses?（）A.Thatsheisverycleverisknowntousall.B.Itisreportedthattherewillbeanewmovieon.C.Whethertogoornotdependsontheweather.D.Whathesaidatthemeetingsurprisedeveryone.答案：1.ABCD2.AB3.BD4.ABC5.ABC6.ABCD7.ABCD8.CD9.ABC10.ABD三、判斷題（每題2分，共10題）1.Thathewillcometothepartyisaquestion.（）2.Whatweneedarebooks.（）3.Itdoesn'tmatterifheislate.（）4.Subjectclausesalwayscomeatthebeginningofasentence.（）5.Whethersheisrightornotisnotimportant.（）6.That-clausesinsubjectclausescansometimesbeomitted.（）7.Itisnecessarythatwestudyhard.（）8.Whatyoudowillaffectyourfuture.（）9.Whowillwinthecompetitionisimpossibletopredict.（）10.Itisclearwhetherhehaspassedtheexam.（）答案：1.×2.√3.√4.×5.√6.×7.√8.√9.√10.×四、簡答題（每題5分，共4題）1.簡述主語從句的定義。答案：主語從句是在復(fù)合句中充當(dāng)主語的從句，可由that、what、whether等詞引導(dǎo)，能表達(dá)各種信息，使句子結(jié)構(gòu)更豐富。2.舉例說明用“it”作形式主語的主語從句結(jié)構(gòu)。答案：常見結(jié)構(gòu)如It+be+adj.+that-clause。例如Itisnecessarythatwewearseat-beltsinthecar.“it”是形式主語，真正主語是that引導(dǎo)的從句。3.說明what引導(dǎo)主語從句與that引導(dǎo)主語從句的區(qū)別。答案：what引導(dǎo)主語從句時(shí)在從句中作成分，有“所……的（東西、事情等）”含義；that引導(dǎo)主語從句時(shí)無實(shí)際意義，在從句中不充當(dāng)成分，只起連接作用。4.請說出判斷一個(gè)句子是否為主語從句的方法。答案：看從句在句中是否作主語。若一個(gè)句子由“引導(dǎo)詞+句子”結(jié)構(gòu)在句首作主語，或用“it”作形式主語，“引導(dǎo)詞+句子”在后面作真正主語，那么這個(gè)“引導(dǎo)詞+句子”就是主語從句。五、討論題（每題5分，共4題）1.在實(shí)際寫作中，如何靈活運(yùn)用主語從句提升文章質(zhì)量？答案：可在開頭用主語從句引出主題，吸引讀者，如Whatweneedforabetterlifeisclear.論述中用主語從句表達(dá)觀點(diǎn)，使表意更清晰豐富，增強(qiáng)邏輯性。2.分析在口語交流中，使用主語從句的優(yōu)勢和可能遇到的問題。答案：優(yōu)勢是能準(zhǔn)確清晰表達(dá)復(fù)雜想法?？赡軉栴}是結(jié)構(gòu)相對復(fù)雜，口語中快速組織語言有難度，而且對方理解可能有困難，需注意語速和表達(dá)清晰度。3.探討當(dāng)主語從句的謂語動(dòng)詞是be動(dòng)詞時(shí)，主謂一致如何確定？答案：若主語從句表示一個(gè)單一概念，謂語用單數(shù)；若表示多個(gè)概念或內(nèi)容，謂語用復(fù)數(shù)。如Whathesaidanddidisnotright.（單一概念）