第9頁（共9頁）Unit4SpaceExplorationSectionCDiscoveringUseful一、單句語法填空1．Youshoulddoit________(regular)．2．Ilimitmyself________threecupsofbeeraday.3．Sheattachedastamp________theenvelope.4．Iprovidehim________allhisrights.5．Sofromthe________(globe)perspective,itisveryimportant.6．Hegaveupwithout________(argue)．7．Wemakedecisionsbasedonfactsand________(analysis)．8．Hewasnotemployed________lackofpreviousexperience.9．Ihavebeen________(keen)lookingforwardtothisvisit.10．Somepeoplethinkthatweshouldn'twastetime________(explore)space.11．Haveyoufoundagoodsolution________thisproblem?12．Theymakegreateffortstoprotectlimitednatural________(resource)．閱讀理解AChina'sfamousspacescientistQianXuesen,whoiscalledthecountry's“fatherofspacetechnology”and“kingofrocket”，diedofillnessinBeijingattheageof98.In1956,Qian'spositionpaperonthecountry'sdefenseandaviation(航空)industry,thecentralgovernmentsetupanaviationindustrycommittee,whichlaterbecametheleadingorganizationforChina'smissile(導彈)andaviationprograms.WiththeguidanceofQian,Chinahasfinishedtheblueprintondevelopingjetandrockettechnology.Healsoplayedanimportantroleindevelopingthecountry'sfirstman-madesatellite.“MrQianusedtoholdacademicseminars(學術(shù)研討會)forus.Weexchangedourscientificideasandwrotearticlestogether.ThewholetimewhenweworkedwithMrQianhadagreatinfluenceonus，”YuJingyuan,aseniorresearchersaidafterhearingthenews.InJune1964,Chinasuccessfullycreateditsfirstmedium(中等的)andshort-rangemissile,markingthestartofthecountry'sfirstmissiledefensesystemnuclearweapon.Duringtheman-madesatelliteproject,wheneveryoneelsewasnotsurethatthesatellitewouldworkperfectlyinspace,Qianlookeduppilesofdocumentsandpapersandwrote,“Inmyopinion,thesatelliteisdone.”O(jiān)nApril24,1970,“Dong-fanghong-Ⅰ”，thecountry'sfirstman-madesatellite,wassuccessfullylaunched.Thesedays,ontheofficialBBSoftheShanghaiJiaoTongUniversity,whereQianmajoredinmachanicengineeringfrom1929to1934,manyschoolmatesstillcouldn'tbelievethenews.Manypeopleregardedhisdeathas“asuperstarfell”andexpressedtheirblessingsforhim—“DearMrQian,restinpeace.Wewillneverforgetyourachievements.”1．QianXuesenwasveryfamousfor________duringhislife.A．mathB．chemistryC．writingD．spacetechnology2．Heplayedanimportant________indevelopingthecountry'sfirstman-madesatellite.A．meetingB．roleC．leaderD．place3．Chinacreateditsfirstmediumandshort-rangemissile________.A．in1934B．in1956C．in1964D．in19704．Duringtheman-madesatelliteproject,everyoneelsewas________thatthesatellitewouldworkperfectlyinspace.A．sureB．confidentC．thinkingD．notconfidentBAnewstudysuggeststhatdarkmarkingsontheplanetMarsrepresentsand—notwater.Theresearchin2015suggestedthatlinesonsomeMartianhillswereevidenceofwater.YetAmericanscientistsnowsaytheselinesappearmorelikedry,flowsofsand.Ifwaterispresent,itislikelytobeasmallamount.Waterinliquidformwouldbenecessaryformicrobial(微生物的)life.NASA,theAmericanspaceagency,saidmoreresearchisneeded.MichaelMeyeristheleadscientistforNASA'sMarsexplorationprogramme.Henotedthatthelateststudydoesnotrejectthepresenceofwater.Butheadmitted,“Itjustmaynotbeasexcitingastheideaofriversgoingdownthesidesofcliffs(懸崖)．”ThenewfindingscomefromateamledbyColinDundasoftheUnitedStatesGeologicalSurvey.Histeammeasured151oftheselinesin10areas.Mostofthelinesendwithslopesbetween28degreesand35degrees.Thesemeasurementsaresimilartoactivesanddunes(沙丘)onbothMarsandEarth.Asmallcoveringofdustthatmovesandsometimesbecomeslightermighthelpexplainthemarkings.TheyusuallyappearintheMartiansummertime,andthendisappearuntilthenextyear.Iftheselinesaredry,thissuggeststhatrecentMarshasnothadlargevolumesofliquidwater.Dundasandhisresearchteamsaythatmanyquestionsremain.“IstillthinkthatMarshasagreatpotentialforhavinghadlifeearlyoninitshistory，”Meyersaid.“Aslongasthat'strue,wealsohaveareasonablepossibilityoflifestillbeingonMars.Itjusthappenstobecrypticorwellhidden.”NASAcurrentlyhasnoroboticvehicle—eitheronMarsorindevelopment—withtheabilitytoclimbsteepslopes.ThelackofsuchequipmenthasengineerscomingupwithideaslikeMartianhelicoptersorplaneswithoutpilots.5．WhatdoAmericanscientistsfindonMarsnowaccordingtotheirstudy?A．Alotoflittlelife.B．Anamountofwater.C．SomeMartianhills.D．Darkmarkingsaresand.6．Whendothemarkingscomeout?A．InMartianspring.B．InMartiansummer.C．InMartianautumn.D．InMartianwinter.7．What'sMeyer'sopinionabouthavinglifeonMars?A．Doubtful.B．Trustful.C．Indifferent.D．Objective.8．Whatdoestheunderlinedword“cryptic”inParagraph4mean?A．Undiscovered.B．Strange.C．Magical.D．Icy.三、短文改錯Dreamisacommonwordinourdailylife.Asweallknow,peopleliketouseittoexpressthestrongdesirestheyhaveforourfuture.Someyoungpeopledreamedofbecomingscientistswhenotherswishtobecomeastronauts.Inmyopinion,whatmattermostisthatweshouldberesponsibleoursocietyanditscitizens.Iwanttobeindependentandhaveastronglysenseofresponsibility.AndalsoIwanttobehelpfultothoseinthetrouble.Beside,Iwilllearnmodestlyfromthosedevotedthemselvestooursociety.Idohopeallofuscanmakeeveryeffortstolive