人教版2017高考英语检测练习：必修2unit2（附答案）

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1、人教版2017高考英语检测练习：必修2Unit2（附答案）训练题一、完形填空Forthousandsofmillionsofyearsthemoonhasbeengoingroundtheearth.Atthattime，themoonwasthe__1__satellite(卫星)oftheearth.Today，__2__，theearthhasmanyothersatellites.Allofthemare__3__byman.Thesemanmadesatellitesareverymuchsmallerthanthemoon.Howe

2、ver，someofthemwillstillbegoing__4__theearththousandsofyearsfromnow.Manmadesatellitesdon't__5__becausetheyaregoingtoofasttodoso.Astheyspeedalong，they__6__togostraightoffintospace.They__7__outoftheearth，oritsgravity，which__8__themfromdoingthis.Asaresult，theytravelinanorbit(轨道)

3、roundtheearth.Ifamanmadesatellitetravelsaboutatacertainheight，itcankeepgoing__9__roundtheearth，justlikethemoon.Thisis__10__itisabovetheatmosphere(大气)，andthereisnothingto__11__itdown.Ifittravels__12__thanthat，itwillbesloweddownsomuchthatitwill__13__theearth.Menhave__14__space

4、shipstothemoonandtothetwo__15__planetsMars(火星)andVenus(金星)．Byputtingacameraon__16__thespaceshiptothemoon，menhavebeenableto__17__photographsoftheothersideofthemoon.Thissideisalways__18__fromusasthemoon__19__theearth.The__20__werelatertransmittedbyradiototheearth.Theyshowedtha

5、ttheothersideofthemoonisverymuchthesameasthesidethatturnstowardsus.1．A.firstB．secondC．lastD．only答案：D　从常识以及下文的manyothersatellites可知在人造卫星之前月亮是地球唯一(only)的卫星。2．A.thenB．howeverC．thoughD．so答案：B　前后两句间有转折关系，所以用副词however“然而”。3．A.foundB．discoveredC．madeD．sent答案：C　根据下文Thesemanmadesatel

6、lites可知这些卫星是人造卫星。4．A.withB．roundC．behindD．after答案：B　根据上文goingroundtheearth可知这些卫星绕着地球转。5．A.fallB．riseC．breakD．stop答案：A　根据下文的theytravelinanorbitroundtheearth.可知这些人造卫星由于速度快所以不会掉(fall)下来。6．A.wantB．wishC．hopeD．tend答案：D　当加速时，卫星易于(tendto)进入太空。7．A.pullB．pushC．takeD．launch答案：A　卫星离开(p

7、ulloutof)地球，进入轨道。8．A.protectsB．keepsC．makesD．discourages答案：B　地球重力阻止卫星离开地球。keep...fromdoing...“阻止……做某事”。9．A.inandinB．onandonC．outandoutD．upandup答案：B　从上文可知卫星会一直绕着地球转。onandon“不停地”。10．A.becauseB．whyC．whetherD．when答案：A　本句介绍前句的原因。Thisisbecause...“这是因为……”。11．A.handB．forceC．slowD．br

8、ing答案：C　根据上下文可知大气会使卫星慢下来。slowsth.down“使……慢下来”。12．A.higherB．longerC．moreD．lo