人教版必修第单元活页练习

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1、f11.Notuntilallthefishdieintheriver____howseriousthepollutionwas.A. didthevillagersrealizeB. thevillagersrealizedC. thevillagersrealizedD. didn’tthevillagersrealize12.Withthedevelopmentofourcountry,moreandmorestudents____touniversity.A.admitto       B.admittedtoC.areadmitted 

2、   D.areadmittedto13.---BradwasJane’sbrother!  ---_____heremindedmesomuchofJane!A.Nodoubt     B.AboveallBIt’sanage-oldsaying:MenarefromMars;womenarefromVenus.Malesandfemales 26 differentbehaviorsalmostfrom birth.Researcherssaythesebehaviorsaredueto 27 differencesinbrainstruct

3、ureandactivity.Studiesshowmenarebetterathittingtargets（靶子）andsolvingmathproblems 28 womenr,TheEmpireStateBuilding,theWhiteHouse,NewYorkCityandeventheAmericanpresidenthimselfhaveallbeenthreatenedbyterroristattacksintheseexcitingfilms. Thefilm“TrueLies”,released(发行)in1994iscons

4、ideredtobeagoodexampleofthiskindofmovie.Thespecialeffects,includingexplosionsandmissiles,maketheactionlooklikearealthing. “IndependenceDay”in1996tookthistypeofmovieonestepfurtherbyblowinguptheWhiteHouse.Thissciencefictionmovieisaboutawarbetweenhumanbeingsandaliens(外来人)fromano

5、therplanet.Inthemovie,theWorldTradeCentertowersaredestroyed. ViolencehasbecomeamajorpartofHollywoodmovies.AndthisiswhatpeopletodowithHollywoodfilms.                  BLastweek,Iboughtanalarmsystem(报警系统)forabout$450.Itconsistedofacontrolunitwiththreeothersmallunits.Iputthecont

6、rolunitinthesittingroomandfastenedtheotherunitsbythefrontdoor,backdoorandliving-roomwindows.Theinstructionstoldustochoosethreenumbers,sowechose491,thelastthreenumbersofourtelephonenumber.NowImustexplainhowthealarmworks:1.Thereisapowersiren(警报器)inthecontrolunit.Itmakesaverylou

7、dnoise.2.Eachofthesmallunitssendsoutbeams(光束)orraysindifferentdirections.If40.Thepurposeofthethreeunitswasto          . A．sendamessagetothecontrolunitandstartthesiren B．soundtheirownsirenswhenthecontrolunittoldthemto C．checkthatthecontrolunitworkedproperlyallthetime D．givethe

8、menoughlight41.Ifthewritersetthealarmandremainedintheroomformorethan