英语：Unit4Astronomythescienceofthestars单元同步测试2.doc

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1、Unit4Scienceofthestars单元同步测试第一部分：单项选择（共15 小题；每小题1分，满分15分）从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。1.Thoughgreatprogresshasbeenmadeinastronomyinthepastfiftyyears,______stillmuchthatremainsmysterioustoastronomers_______theuniverse,eventhesolarsystem.A.Itis

2、;ofB.thereis;aboutC.Itis;withD.thereis;with2.PeopleinChina______fullfreedomofreligionbutanyreligiousgroupthatisengaged______somethingillegalshallbedismissedA.like;inB.enjoy;inC.appreciate;toD.arefondof;with3.Thescientistsclaimed(声称)to_______ajetplanethat

3、usesatomicenergyaspropelling_____,buttheycan’tproduceanatomofevidencetoproveit.A.design;powerB.havedesigned;powerC.design;forceD.havedesigned;strength4.Manyenvironmentaliststhinkthatcarbondioxideis_______fortheglobalwarming,whichaffectsbillionsandbillion

4、sofspeciesacrosstheglobe.A.blamedB.tobeblamedC.toblameD.blaming5.Withouttheatmosphere_______ourearthfromthesun,it_____betoohotforanylivingthingstoliveon.A.toprotect;wouldB.protecting;willB.protests;willD.protecting;would6.Theconstitution,unlikeotherforms

5、oflaws,isfundamental______oursocialsystemworkingproperly.A.forkeepingB.tokeepingC.tokeepD.withkeeping7.Hehas______hisfortunemanytimessincehebegantodealinsecond-handcarbusiness.A.addedtoB.createdC.multipliedD.risen8.Everybodypresentatthepartywasshockedath

6、erviolentreaction______theyoungman’spresence.A.withB.toC.forD.by9.Don’tworryyourselftoomuchaboutthesituation._______willgetbetter_______.A.Things;ontimeB.Things;intimeC.Thethings;withtimeD.Thethings;ontime10.Itstillpuzzlesthescienceworldwhysomemammalspro

7、ducetheiryoung______andhatchingwhileothers_____toyoungbabies.A.lyingeggs;givingbirthB.bylayingeggs;bygivingbirthC.bylayingeggs;givebirthD.layingeggs;givingbirth11.Theparentshavedevotedthemselvestobringinguptheirchildrenandnowitistimeforthechildren,______

8、,toshowtheirdevotiontotheirparents.A.intheirturnB.intheirreturnC.inreturnD.intheirturns12.Theacidrainisoneofthechainreactionsthat______byenvironmentalpollutionA.iscomeaboutB.iscausedC.aregivenbirthD.arebroughtabout13.Oxyge