第11頁(yè)（共11頁(yè)）Unit4SpaceExplorationSectionDReadingforWriting一、完成句子1.他不得不承認(rèn)撒謊了。Hehadto?.

2.沙塵暴通常發(fā)生在春天。Sandstormsusually.

3.比賽結(jié)束后,球迷們朝出口走去。Afterthegame,thefans?theexit.

4.她的工作態(tài)度贏得了學(xué)生的尊敬。Shefromthestudentsbyherworkingattitude.

5.請(qǐng)給你妹妹精心挑選一些好的草莓。Pleaseafewnicestrawberriesyoursister.

二、介詞填空1.Thereisplentyraininthisarea.

2.Theyoftenargueeachothersmallthings.

3.Peoplearemakingeffortstofightpollution.

4.Productswhicharemadeahigherstandardareingreatneed.

5.Haveyoufoundsolutionstheseproblems?

6.Farmersprovideusmilk,vegetablesandsoon.

7.Thecarisrunningoutthepetrol.

8.Hisstomachresultedeatingtoomuch.

三、閱讀理解AIfyouareeverplanningtobuyatelescopeandwanttogetyourselfinvolvedinastronomyitisalwaysagoodideatoknowabitofthesky.Getacquaintedwithafewconstellations(星座)sothatitwillbeeasierforyoutospottheconstellationswhenyouareusingyourtelescope.It’sagoodideatobuyafewmagazinesonastronomytohelpyoutogetfamiliarwiththeconstellationsintheskyandalsoreadafewreviewsonthedifferenttypesoftelescopesinthemarket.Thiswillhelpyougatheralltheinformationthatisoutthereregardingtelescopesandwhatpeoplehavetosayaboutthem.It’sadvisabletogoinforapairofbinoculars(雙筒望遠(yuǎn)鏡)beforeyoubuyyourfirsttelescopesothatyoucangetusedtospottingconstellationsbeforeyourviewoftheskyisnarroweddown.Thiswillalsohelpyouknowifyoureallywanttogetinvolvedinastronomy.Manypeoplebuyacostlytelescopeandthendiscoverthatthey’renotactuallyinterestedinastronomy.Experiencehasnosubstitute,andtherecertainlyisnothingbetterthanusingdifferenttelescopesbeforeyoubuyone.Thiswillhelpyoutogetthefeelofallthetypesoftelescopesandyouwillknowwhichoneiseasierforyoutouse.Alargeaperture(光圈)refractor(折射)maygiveyouanexcellentimagebutyoumaynotbeabletokeepasteadyhandwhileusingitresultinginanunclearimage.Therearethreetypesoftelescopesthatareavailableinthemarket.Ifyouwantamoreelegantlookingtelescopeyoucanalwayschoosetobuyafinebrasstelescope.It’sgoodtobecomeacquaintedwitheachtypebeforegoingfortheplungeofafirsttelescope.Thefirsttypeoftelescopeistherefractortelescope,whichuseslenses(鏡片)togatherlighttoafocusattheeyepiece.Theuseoflenseshelpsthetelescopehaveasuperiorimage.Arefractingtelescopeisnotasportableastheothertwotypesoftelescopesandsoyouwillhavetobuyonewithasmallaperture.ThesecondtypeoftelescopeistheReflector.MadebySirIsaacNewton,thistelescopefunctionsbyfocusingthelightbackatthefrontofthetube,whichiswheretheeyepiecesits,byusingparabolic(拋物線的)mirrorsandanothersmallermirrortodeflectthelight.Thereisnoaddedcolorintheimagecausedbyrefractionoflightsincethistelescopedoesnotuselenses.Thesearethecheapestofalltelescopesandaremoreportablethanrefractors.1.Accordingtothetext,atelescopeisintendedtobeboughtfor.

A.gettingexperienceB.watchingstarsC.studyingtheclimateD.learningaboutabitofthesky2.WhatcanwelearnfromParagraph2?A.Onemustknowsomethingaboutastronomyandtelescopes.B.Onecan’tbuyatelescopewithoutbuyingseveralastronomymagazines.C.Oneshouldcheckthetelescopesinthemarketandtrytofindabetterone.D.Onemustbefamiliarwithnewinformationofastronomyandspaceinstruments.3.Whydoestheauthoradvisebuyingapairofbinocularsfirst?A.Thetelescopeistooexpensive.B.Thebinocularsareeasiertouse.C.Youmaygainplentyofexperienceinastronomy.D.Yourviewwillbenarrowbyusingapairofbinoculars.4.Whatdoweknowabouttherefractingtelescope?A.Itlooksveryelegant.B.Itrefractslightbyaneyepiece.C.Ithasclearimageswithoutanylenses.D.Itisnotconvenienttotakealongforitssize.B“XICHANG—EngineersaredevelopinganewcarrierrockettolaunchChina’snext-generationmannedspacecraftintolow-Earthorbitsorasfarasthemoon,”saidChinaAerospaceScienceandTechnologyCorp,amajorspacecontractor.HuXiaojun,arocketresearcheratthecompany’sChinaAcademyofLaunchVehicleTechnology,saidonthesidelinesoftheongoing12thChinaInternationalAviationandAerospaceExhibitioninZhuhai,Guangdongprovince,thatthenewrocket,whichhasyettobenamed,isintendedforChina’sfuturemannedspaceflights,whichwillbecarriedoutbyanew-generationspacecraft,andmannedlunarexplorationsthatChinesescientistshavebeenplanningforalongtime.Forthelongterm,thenewrocketwillalsobeusedinconjunctionwith(結(jié)合)theLongMarch9—arocketthatisunderdevelopmentandthatwillbeChina’smostpowerfulcarrierrocket—totransportconstructionmaterialstothemoonforapermanentbasethere,hesaid.OfficialsandspacescientistshavesaidseveraltimesinthepastthreeyearsthatthenationhasaplantoplaceChineseastronautsonthemoonandevenestablishscientificfacilitiesthere.TheChinaAcademyofLaunchVehicleTechnologysaidthenewrocketwillbe90meterstall,withadiameterof5meters,whichmeansitwillbealmosttwiceastallastheLongMarch5,currentlythebiggestofChina’srockets.Itsmaximumlif-toffweightwillbenearly2,000metrictons,twiceasheavyastheLongMarch5.Thebigcraftwillbecapableofplacinga25-tonspacecraftinalunartransfertrajectory(軌道)ora70-tonspacecraftintoalow-Earthorbit.Feasibility(可行性)researchonthenewrocketstartedin2016.Engineershaveconductedseveralmajortestsonnewkindsofenginestobeusedfortherocket.Designersarefocusingonkeytechnologies,theacademysaid.TheChinaAcademyofSpaceTechnologysaiditsresearchersaredevelopingChina’ssecond-generationspacecraft,anditwillhaveanewaerodynamic(空氣動(dòng)力)designthatwillbemorestreamlined(流線型的)thantheShenzhouseries,thenation’sfirst-generationmannedspacecraft.Thenewspacecraftwillbe9meterslongandweigh23tons.Itwillconsistoftwosections:are-entrymodule(返回艙)thatwillhostastronautsandcontroltheentirecraftduringaspaceflightandaservicemodulewithpowerandpropulsionsystems,accordingtothespacetechnologyacademy.Bycomparison,aShenzhouspacecrafthasthreesections:re-entry,orbitalandpropulsionmodules.Thenewspacecraftwillbereusableandwillservelunarmissionsanddeep-spaceexpeditions,itadded.5.HowtallisthebiggestofChina’srocketsatpresent?A.About25meters. B.About45meters.C.About70meters. D.About90meters.6.WhatdoesHuXiaojunmainlywanttoexpressinPara.2?A.Thewayofmakingthenewrocket.B.Thefeaturesofthenewrocket.C.Thepurposeofmakingthenewrocket.D.China’sfuturemannedspaceflights.7.Whatisthepossiblemeaningoftheunderlinedword“propulsion”inthelastparagraph?A.Theforcethatdrivesavehicleforward.B.Th