Unit3AtasteofEnglishhumour三、单元自测1完形填空阅读下面短文，掌握其大意，然后从21—30各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。字数：158完成时间：13分钟难度：***Inrecentyearsscientists'investigationofcometshasincreasedbecauseofagrowinginterestintheoriginofthesunandplanets.Scientistswanttolearnhowcometsare21.Theythinkthatsuchinformationwillhelp22theoriginofthesolarsystem.Theword"comet"comesfromGreekandmeans"hairyobject".Inhistorycometshaveaspecial23.Peoplebelievedthattheybrought24ofdeath,destructionormilitaryvictories.Thetailsofcometsprovide25withspectacularsightsatnight.Comettailsaremillionsofkilometerslong.Thetails26reachlengthsof250millionkilometersand27.ThemostfamouscometofhistoryiscalledHalley'sComet,whichappearsevery76years.ItwasnamedforEdwardHalley,aBritishastronomer.He28theappearanceofthecometin1758,16yearsafterhisdeath.Halley'sCometis29brightandhastwotails.Inthe20thcenturyit30in1910and1986.21.A.constructedB.formedC.createdD.composed22.A.explainB.solveC.answerD.demonstrate23.A.siteB.placeC.spotD.mark24.A.talesB.performancesC.newsD.stories25.A.viewersB.observersC.astronautsD.pilots26.A.finallyB.frequentlyC.easilyD.eventually27.A.moreB.muchC.fartherD.extra28.A.guessedB.predictedC.feltD.promised29.A.equallyB.entirelyC.extremelyD.unnaturally30.A.returnedB.recycledC.recreatedD.recrossed答案：21．B．彗星是如何形成的。22．A.有助于解释太阳系的起源。23．B．彗星在历史上有很特殊的地位。24．C.带来信息。用心爱心专心125．A.在夜间给观星者提供壮观的景色。26．B．彗星的尾巴往往达到……27.A.甚至更长。28．B．预测到了1758年彗星的出现。29．C.哈雷彗星有两个尾巴，极其明亮。30．A．2.语法填空阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31-40的相应位置上。字数：175完成时间：9分钟难度：**Inordertoknowaforeignlanguagethoroughly,fourthingsarenecessary.Firstly,wemustunderstandthelanguagewhenwehear31spoken.Secondly,wemustbeabletospeakitourselvescorrectlywithconfidenceandwithouthesitation.32,wemustbeabletoreadthelanguage,andfourthly,wemustbeabletowriteit.Wemustbeabletomakesentencesthataregrammaticallycorrect.Thereisnoeasywaytosuccess33languagelearning.34goodmemoryisagreathelp,butitisnotenoughonly35(memorize)rulesfromagrammarbook.Itisnotmuchuselearningbyheartlonglistsofwordsand36meanings,studyingthedictionaryandsoon.Wemustlearnbyusingthelanguage.37wearesatisfiedwithonlyafewruleswehavememorized,wearenotreallylearningthelanguage.“Learnthroughuse”isagoodpieceof38(advise)forthose39arestudyinganewlanguage.Practiceisimportant.Wemustpractisespeakingand40(write)thelanguagewheneverwecan.[答案]本文主要讲述了学习英语的一些好的方法。31.it指代前面的foreignlanguage。32.Thirdly根据上下文得知这是第三点。33.in在语言学习方面没有容易取得成功的办法。34.A好的记忆力有助于学习，memory为可数名词。35.tomemorize不定式作真正主语。36.their指代前面的words。37.If前后是条件关系。38.advice一条建议，此处应用名词。39.who引导定语从句，先行词是those。40.writing练习做某事应用practisedoingsth。3.阅读理解阅读下列短文，从每题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。词数：349完成时间：6分钟难度：**Anearthquakeisliterallyanearth-shatteringexperience!Thereyouare用心爱心专心2enjoyinganafternoonnap,havingacupofcoffeeinthemorning,orevensleepingonacoldwinternightwhen--WHAM!--theentirecrockery(陶器)shelfcollapse...
