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Unit4Astronomy:thescienceofthestarsⅠ.單詞拼寫1.Whatdoyouthinkofthenew________(制度)?2.“Whathappened?”John'smotheraskedhimina________(溫和的)voice.3.BeforetheEarth'sprotective________(大氣層)wasformed,therewasnolifeexceptinthesea.4.Withthe________(引力)ofthemoonandthesuneachday,tides(潮汐)rollinandrollaway.5.Hemanagedtofinishtherace,________(不像)morethanhalfofthecompetitors.6.Hisfaceworea________(困惑的,迷惑的)expression.7.Eatingtoomanydessertscanbe________(有害的)toone'steeth.8.Theplane________(墜毀,碰撞)intothemountain.9.Accordingtothe________(理論)ofrelativity(相對論),nothingcantravelfasterthanlight.10.Mostoftheevidencehadbeendestroyed.________(因此,于是),itwasalmostimpossibletoprovehimguilty.答案:1.system2.gentle3.atmosphere4.pull5.unlike6.puzzled7.harmful8.crashed9.theory10.ThusⅡ.完成句子1.既然已做完了作業(yè),你可以去玩會足球休息一下。________________you'vefinishedyourhomework,youcangoandplayfootballtohavearest.2.沒有什么可以阻止我愛她。Nothingonearthcan________me________lovingher.3.努力干好你的工作,你一定會成功的。Doyourbestinyourcareer,andyou'llsucceed________________.4.甲型流感今年在全球多個國家爆發(fā)。H1N1flu________________inmanycountriesallovertheworldthisyear.5.給瑪麗打個電話,她需要鼓勵。GiveMaryacall;sheneeds________________.答案:1.Nowthat2.prevent;ime4.brokeout5.cheeringupⅢ.單項填空1.Noticingsomebrokentoys______onthefloor,Ipickedthemupand________themonthechair,soIwasn't________.A.lay;lay;lying B.lying;lay;lyingC.laid;laid;laying D.lying;laid;lying答案:D本題考查易混詞lie,lay的用法辨析。句意:看到地上有一些弄壞的玩具,我把它們撿起來,放在椅子上,因此我一直沒有躺著(睡覺)。第一空用lie(躺)的現(xiàn)在分詞作補語;第二空為lay(放下)的過去式laid,與picked并列作謂語;第三空用lie的現(xiàn)在分詞,與be一起構(gòu)成過去進行時。2.Thegirllookedatmewitha______expression.Maybetheproblemwasquite______.A.puzzled;puzzling B.puzzling;puzzledC.puzzled;puzzled D.puzzling;puzzling答案:A本題考查puzzle的用法。句意:這個女孩滿臉迷惑地clothesthatwetook________picturesofthem.A.manyof B.massesofC.thenumberof D.a(chǎn)largeamountof答案:B句中的them指上文的youngdancers;若用manyof指“照片中的許多”,不合題意,應該用many;massesof“大量的”,可接可數(shù)名詞復數(shù)或不可數(shù)名詞;thenumberof指“……的數(shù)目”;alargeamountof“大量的”,只接不可數(shù)名詞。14.Thenewbridgeis________theonebuiltlastyear.A.threetimesaswideras B.threetimesthewidthofC.threetimesthewidth D.a(chǎn)sthreetimesas答案:B考查倍數(shù)表達法。A項wider應改為wide;C項width后應加of。15.Sometimeshefound________veryhardtofallasleepatnight,sohewenttoseethedoctor.A.him B.thisC.that D.it答案:D句意:他發(fā)現(xiàn)晚上有時候很難入睡,于是他就去看醫(yī)生了。it作形式賓語,真正的賓語是tofallasleepatnight。其他選項都不能作形式賓語。Ⅳ.閱讀理解A(2011·江西)Whyshouldmankindexplorespace?Whyshouldmoney,timeandeffortbespentexploringandresearchingsomethingwithsofewapparentbenefits?WhyshouldresourcesbespentonspaceratherthanonconditionsandpeopleonEarth?Thesearequestionsthat,understandably,areveryoftenasked.Perhapsthebestanswerliesinourgeneticmakeup(基因構(gòu)成)ashumanbeings.Whatdroveourancestorstomovefromthetreesintotheplains,andonintoallpossibleareasandenvironments?Thewiderthespreadofaspecies,thebetteritschanceofsurvival.Perhapsthebestreasonforexploringspaceisthisgenetictendencytoexpandwhereverpossible.Nearlyeverysuccessfulcivilizationhasexplored,becausebydoingso,anydangersinsurroundingareascanbeidentifiedandpreparedfor.Withoutknowledge,wemaybecompletelydestroyedbythedanger.Withknowledge,wecanlessenitseffects.Explorationalsoallowsmineralsandotherpotential(潛在的)resourcestobefound.Evenifwehavenoimmediateneedofthem,theywillperhapsbeusefullater.Resourcesmaybemorethanphysicalpossessions.Knowledgeortechniqueshavebeenacquiredthroughexploration.Thetechniquesmayhavemedicalapplicationswhichcanimprovethelengthorqualityofourlives.Wehavealreadybenefitedfromotherspin-offsincludingimprovementsinearthquakeprediction,insatellitesforweatherforecastingandincommunicationssystems.Evennon-stickpansandmirroredsunglassesareby-products(副產(chǎn)品)oftechnologicaldevelopmentsinthespaceindustry!Whilemanyresourcesarespentonwhatseemsasmallreturn,theexplorationofspaceallowscreative,braveandintelligentmembersofourspeciestofocusonwhatmayservetosaveus.Whilespacemayholdmanywondersandexplanationsofhowtheuniversewasformedorhowitworks,italsoholdsdangers.Thedangerexists,butknowledgecanhelphumanbeingstosurvive.Withouttheabilitytoreachoutacrossspace,thechancetosaveourselvesmightnotexist.WhileEarthistheonlyplanetknowntosupportlife,surelytheadaptiveabilityofhumanswouldallowustoliveonotherplanets.Itistruethatthelifestylewouldbedifferent,buthumanlifeandcultureshaveadaptedinthepastandsurelycouldinthefuture.文章大意:本文是一篇議論文,向我們闡述了人類進行太空探索的原因。人類的基因構(gòu)成決定了人類探索其他領域包括太空的能力。人類探索太空可能暫時沒有多大用處,但是在將來這可能會幫助人類生存下去。1.WhydoestheauthormentionthequestionsinParagraph1?A.Toexpresshisdoubts.B.Tocomparedifferentideas.C.Tointroducepointsfordiscussion.D.TodescribetheconditionsonEarth.答案:C推理判斷題。作者在第一段提出問題目的是引出下面要討論的話題。2.WhatisthereasonforexploringspacebasedonParagraph2?A.Humansarenature-borntodoso.B.Humanshavethetendencytofight.C.Humansmayfindnewsourcesoffood.D.Humansdon'tliketostayinthesameplace.答案:A細節(jié)理解題。根據(jù)第二段的第一句可知人類探索太空的原因是其基因的構(gòu)成。3.Theunderlinedword“spin-offs”inParagraph4probablyrefersto________.A.survivalchancesB.potentialresourcesC.unexpectedbenefitsD.physicalpossessions答案:C詞義猜測題。后面所說的“improvementsinearthquakeprediction,insatellitesforweatherforecastingandincommunicationssystems”可知此處的劃線短語意為“益處,好處”。4.Whatmakesitpossibleforhumanstoliveonotherplanets?A.Ourgeneticmakeup.B.Resourcesontheearth.C.Theadaptiveabilityofhumans.D.By-productsinspaceexploration.答案:C細節(jié)理解題。根據(jù)最后一段的第一句話可知,人類的適應能力會讓人類在其他星球生存下去。5.Whichofthestatementscanbestsumupthepassage?A.Spaceexplorationhascreatedmanywonders.B.Spaceexplorationprovidesthebestvalueformoney.C.Spaceexplorationcanbenefitscienceandtechnology.D.SpaceexplorationmayhelpusavoidpotentialproblemsonEarth.答案:D主旨大意題。A、B兩項可以容易地排除。全文主要講的是太空探索對幫助人類生存的益處,而不是對科技的益處。BIfyourcellphonesuddenlystopsworking,don'tblametheserviceprovider.Themalfunction(故障)mighthavebeencausedbysomethingbigger—asolarstorm.Expertsexpectthattheearthwillseemoresolaractivitiesinthenearfuture.Themalfunctionofelectronicdevicesisjustoneoftheeffects.Sunspots(太陽黑子)serveasanindicatorofthesun'sactivity.Forthepasttwoyears,sunspotshavemostlybeenmissing.Theirabsence,thelongestinnearly100years,hastakenevensunwatchersbysurprise.Whenthenumberofsunspotsdropsattheendofeach11-yearcycle,solarstormsdiedownandallbecomemuchcalmer.This“solarminimum”doesn'tlastlong.Withinayear,sunspotsandsolarstormsbegintobuildtowardanewcrescendo,_thenextsolarmaximum.What'sspecialaboutthislatestcycleisthatthesunishavingtroublestartingthenextsolarcycle.Thesunbegantocalmdowninlate2007,sonooneexpectedmanysunspotsin2008.Theyshouldreturnin2010.Scientistshavepredictedthatthenextsolarcyclecouldbethemostactiveonrecord:moresunspotsandmoresolarstorms.However,sunspotsaremostlymissingnow.Sincetheearthisinclosecontactwiththesun,strongsolaractivitiescanbringtroubletoourlife.Peopleofthe21stcenturyrelyonhigh-techsystemsforthebasicsofdailylife.Airtravelandradiocommunicationscanbeaffectedbystrongsolaractivities.Abigsolarstormcouldcause20timesmoreeconomicdamagethanHurricaneKatrina.Whatthesunwilldonextisbeyondourabilitytopredict.Mostastronomersthinkthatthesolarcyclewillgoonbutatlowlevel.However,thereisalsoevidencethatthesunislosingitsabilitytoproducesunspots.By2015,theycouldbegonealtogether.文章大意:如果你的手機不能正常工作了,請不要把責任推向服務提供商。這樣的故障也許是太陽黑子引起的。6.Thesunwatchersfeelsurprisedat________.A.thelongestsunspots'absenceB.thelargestsunspotnumberC.themalfunctionofelectronicdevicesD.theseriousdamagebysunspots答案:A細節(jié)理解題。從文章第二段可知太陽黑
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