理工Word格式.docx
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理工Word格式.docx
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A.bright B.unclear C.general D.bad
4.Iwanttoprovidemyboyswithadecenteducation.
A.special B.private C.general D.good
5.Sleepstairscanpresentaparticularhazardtoolderpeople.
A.picture B.danger C.evidence D.case
6.Ourarrangementswerethrownintocompleteturmoil.
A.doubt B.relief C.failure D.confusion
7.Patriciastaredattheothergirlswithresentment.
A.love B.surprise C.anger D.doubt
8.Yourdogneedsatleast20minutesofvigorousexerciseeveryday.
A.energetic B.free C.physical D.regular
9.Ienjoyedtheplay-ithadacleverplotandveryfunnydialogues.
A.boring B.original C.humorous D.long
10.Lowertaxeswouldspurinvestmentandhelpeconomicgrowth.
A.attract B.spend C.encourage D.require
11.Hedemolishedmyargumentinminutes.
A.supported B.disproved C.disputed D.accepted
12.Thetwobankshaveannouncedplanstomergenextyear.
A.close B.sell C.break D.combine
13.Herfatherwasaquietmanwithgracefulmanners.
A.polite B.usual C.bad D.similar
14.Theprojectrequiredtenyearsofdiligentresearch.
A.hardworking B.social C.basic D.scientific
15.Hewaskeptinappallingconditionsinprison.
A.necessary B.terrible C.critical D.normal
第2部分:
阅读判断(第16~22题,每题1分,共7分)
下面的短文后列出了7个句子,请根据短文的内容对每个句子做出判断:
如果该句提供的是正确信息,请选择A;
如果该句提供的是错误信息,请选择B;
如果该句的信息文中没有提及,请选择C。
CaliforniaGivesGreenLighttoSpaceSolarPower
Energybeameddownfromspaceisonestepclosertoreality,nowthatCaliforniahasgiventhegreenlighttoanagreementthatwouldseethePacificGasandElectricCompanybuy200megawatt(兆瓦)ofpowerbeameddownfromsolar-powersatellitesbeginningin2016.Butsomemajorchallengeswillhavetobeovercomedifthetechnologyistobeusedwidely.
Astart-upcompanycalledSolarenisdesigningthesatellites,whichitsayswilluseradiowavestobeamenergydowntoareceivingstationonEarth.
Theattractionofcollectingsolarpowerinspaceisthealmostuninterruptedsunshineavailableineosynchronous(与地球同步的)orbit.Earth-basedsolarcells,bycontrast,canonlycollectsun.
Lightduringdaytimeandwhenskiesareclear.
Butspace-basedsolarpowermustgrapple(努力克服)withthehighcostperkilogramoflaunchingthingsintospace,saysRichardSchwartzofPurdueUniversityinWestLafayette,Indiana,"
Ifyou'
retalkingaboutitbeingeconomicallyviableorpoweroftheEarth,it'
satoughgo."
hesays.
CalBoerman,Solaren'
sdirectorofenergyservices,saysthecompanydesigneditssatelliteswithaviewtokeepinglaunchcostsdown."
Weknewwehadtocomeupwithadifferent,revolu-tionarydesign,"
hesays.Apatentthecompanyhaswondescribeswaystoreducethesystem'
Sweight,includingusinginflatableminorstofocussunlightonsolarcells,soasmallernumbercancollectthesameamountofenergy.
ButusingminorsintroducesotherchaHenges,includingkeepingthesolarcellsfromoverhea-ting,saysSchwartz."
Youhavetotakecareofheatdissipation(散发)becauseyou'
renowconcen-tratingalotofenergyinoneplace,"
hesays.Accordingtothecompany'
spatent,Solaren'
ssolarcellswillbeconnectedtoradiatorstohelpkeepthemcool.
ThoughBoermansaysthecompanybelievesitcanmakespace-basedsolarpowerwork,itisnotexpectingtocrowdoutotherformsofrenewableenergy.LawsinCaliforniaandotherstatesrequireincreasinguseofrenewableenergyincomingyears,hepointsout."
Tomeetthoseneeds,we'
rego-ingtoneedalltypesofrenewableenergysources,"
hesays.
16.Solar-powersatelliteswilluseradiowavestobeamenergydownfromspace.
A.Right B.Wrong C.Notmentioned
17.Solarenisgoingtodesign200solar-powersatellites.
18.Space-basedsolarcellscouldcollectsolarpoweronlywhenskiesareclear.
A.Right B.Wrong C.Notmentioned
19.Oneadvantageofspace-basedsolarpowersystemisthatitiseconomical.
20.Inflatableminorsareusedtoreducethespace-basedsolarpowersystem.
21.Space-basedsolarpowerwillruleoutotherformsofrenewableenergysources.
22.Manycountrieswillgrantpermissionfortheuseofspaced-basedsolarpowersoon.
第3部分:
概括大意与完成句子(第23~30题,每题1分,共8分)
下面的短文后有2项测试任务:
(1)第23~26题要求从所给的6个选项中为第2-5段每段选择1个最佳标题;
(2)第27~30题要求从所给的6个选项中为每个句子确定1个最佳选项。
NaturalGas
1Naturalgasisproducedfromreservoirsdeepbeneaththeearth'
ssurface.Itisafossilfuel
(矿物质燃料),meaningthatitisderivedfromorganicmaterialburiedintheearthmillionsofyearsago.Themaincomponentofnaturalgasismethane(甲烷).
2Thepopularityanduseofcleannaturalgashasincreaseddramaticallyoverthepast50yearsaspipelineinfrastructure(基础设施)hasbeeninstalledtodeliveritconvenientlyandeconomicallytomillionsofresidential,commercialandindustrialcustomersworldwide.Today,naturalgasserviceisavailableinall50statesintheU.S.,andistheleadingenergychoiceforfuelingAmericanhomesandidustries。
Morethan65millionAmericanhomesusenaturalgas.Infact,naturalgasisthemosteconomicalsourceforhomeenergyneeds,costingone-thirdasmuchaselectricity.Inaddi-tiontoheatinghomes,muchofthegasusedintheUnitedStatesisusedasarawmaterialtomanu-factureawidevarietyofproducts,frompaint,tofibersforclothing,toplasticsforheahhcare,con-putingandfurnishings.Naturalgasisalsousedinasignificantnumberofnewelectricity-generatingpowerplants.
3Naturalgasisoneofthesafestandcleanestfuelsavailable.Itemitslesspollutionthanoth-erfossilfuelsources.Whennaturalgasisburned,itproducesmostlycarbondioxide(二氧化碳)andwatervapor-thesamesubstancesemittedwhenhumansexhale.Comparedwithsomeotherfos-silfuels,naturalgasemitstheleastamountofcarbondioxideintotheairwhencombusted(燃烧),makingnaturalgasthecleanestburningfossilfuelofa11.
4TheUnitedStatesconsumesaboutone-thirdoftheworld'
Snaturalgasoutput,makingitthelargestgas-consumingregionintheworld.TheU.S.DepartmentofEnergy'
SEnergyInformationAd-ministrationforecaststhatnaturalgasdemandwillgrowbymorethan50percentby2025.
5Therearehugereservesofnaturalgasbeneaththeearth'
ssurface.ThelargestreservesofnaturalgascanbefoundinRussia,WestandNorthAfricaandtheMiddleEast.LNG(液化天然气)hasbeenproduceddomesticallyandimportedintheUnitedStatesformorethanfourdecades.
Today,theleadingimportesofLNGareJapan,Korea,FranceandSpain.
23.Paragraph2_________.
24.Paragraph3________.
25.Paragraph4_________.
26.Paragraph5________.
A.Popularityanduseofnaturalgas B.Naturalgasreservesandsupply
C.Naturalgasprices D.Cleanfuelofchoice
E.Disadvantagesofnaturalgas F.Naturalgasconsumption
27.Naturalgasisstoreddeep________.
28.Naturalgasisrecognizedasthemosteconomicalenergysource_________.
29.Whenmanufacturingmanyproducts,peoplecommonlyusenaturalgas____________.
30.Itisestimatedthatby2025thatnaturalgasdemandintheUnitedStateswillincrease_________.
A.overthepast50years B.beneaththeearthsurface C.bymorethan50percent D.formorethanfourdecades
E.asarawmaterial F.forhomeenergyneeds
第4部分:
阅读理解(第3l~45题,每题3分,共45分)
下面有3篇短文,每篇短文后有5道题。
请根据短文内容,为每题确定1个最佳选项。
第一篇
HowtheFirstStarsintheUniverseCameintoExistence
Howthefirststarsformedfromthisdustandgashasbeenaburningquestionforyears,butastate-of-the-artcomputersimulationnowoffersthemostdetailedpictureyetofhowthesefirststarsintheuniversecameintoexistence,researcherssay.
Thecompositionoftheearlyuniversewasquitedifferentfromthatoftoday,andthephysicsthatgovernedtheearlyuniversewerealsosomewhatsimpler.Dr.NaokiYoshidaandcolleaguesinJapanandtheU.S.incorporatedtheseconditionsoftheearlyuniverse,sometimesreferredtoasthe"
cosmicdarkages,"
tosimulatetheformationofanastronomicalobjectthatwouldeventuallyshineitslightintothisdarkness.
Theresultisadetaileddescriptionoftheformationofaprotostar-theearlystageofamassiveprimordialstarofouruniverse,andtheresearchers'
computersimulation,whichhasbeencalleda"
cosmicRosettaStone."
setsthebarforfurtherinvestigationintothestarformationprocess.Thequestionofhowthefirststarsevolvedissoimportantbecausetheirformationsandeventualexplo-sionsprovidedtheseedsforsubsequentstarstocomeintobeing.
Accordingtotheirsimulation,gravityactedonminutedensityvariationsinmatter,gases,andthemysterious"
darkmatter'
'
oftheuniverseaftertheBigBanginordertoformthisearlystageofastar-aprotostarwithamassofjustonepercentofoursun.Thesimulationrevealshowpre-stellargaseswouldhaveactuallyevolvedunderthesimplerphysicsoftheearlyuniversetoformthisprotostar.
Dr.Yoshida'
ssimulationalsoshowsthattheprotostarwouldlikelyevolveintoamassivestarcapableofsynthesizingheavyelements,notjustinlatergenerationsofstars,butsoonaftertheBigBang.
"
Thisgenea
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