考研英语(一201)研究生考试试卷及答案指导.docxVIP

研究生考试考研英语(一201)自测试卷及答案指导

一、完型填空（10分）

Readthefollowingpassageandfillineachblankwithoneofthewordsgivenbelow.Eachwordmaybeusedonce,morethanonce,ornotatall.

Inthe21yearssincethefirstspaceshuttle22,humanshavemadenumerousadvancementsinspaceexploration.The23ofthesemissionshasbeentogatherinformationabouttheuniverseandtotestnewtechnologies.However,therehavebeenseveralsetbacksalongtheway.

Oneofthemostsignificantchallengesfacedbyspacemissionsis24toextremeconditions.Thevacuumofspace,withnoatmospheretoprotect,exposesastronautsandequipmenttoharshradiationandtemperaturefluctuations.25,recentadvancementsinmaterialssciencehaveallowedforthedevelopmentofmoredurableand26spacecraft.

Anothermajormilestoneinspaceexplorationhasbeenthe27ofMars.Thishasbeenmadepossiblebythe28ofroversandlanders,whichhavesentbackvaluabledataabouttheplanet’ssurfaceandatmosphere.The29ofthesemissionshasbeentosearchforsignsofpastorpresentlifeonMars.

Despitethesesuccesses,spacemissionshavenotbeenwithouttheir30.Forinstance,the31oftheMarsPhoenixLanderin2008wasasignificantsetback.ThelanderwasdesignedtoinvestigatetheMartianpolaricecapsandsearchforsignsofwaterandorganicmolecules.However,duetoacombinationofsoftwareandhardwareissues,itwasunabletocompleteitsmission.

Thefutureofspaceexplorationlookspromising,though.Advancesinpropulsiontechnologyand32areexpectedtomakeinterplanetarytravelmorefeasible.Additionally,the33ofinternationalcollaborationsandprivatecompaniesarelikelytoleadtoevengreaterdiscoveriesintheyearstocome.

21.A)past

B)recent

C)following

D)past

22.A)launch

B)voyage

C)mission

D)journey

23.A)purpose

B)significance

C)scope

D)nature

24.A)adapting

B)overcoming

C)enduring

D)avoiding

25.A)Moreover

B)However

C)Consequently

D)F