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1、2008PartⅡReadingComprehension（30minutes30%）Directions:Inthisparttherearefourreadingpassages.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Youarerequiredtodecidetodecideonchoicethatbestanswersthequestionorcompl
2、etesthestatement.Questions16-20arebasedonthefollowingpassage.Veryhighwavesaredestructivewhentheystriketheland.Fortunately,thisseldomhappens.Onereasonisthatoutatsea,wavesmovinginonedirectionalmostalwaysrunintowavesmovinginadifferentdirection.Thetwosetsofwavestendtocancel
3、eachotherout.Anotherreasonisthatwaterisshallowerneartheshore.Asawavegetsclosertoland,theshallowbottomhelpsreduceitsstrength.Butthepowerofwavesstrikingtheshorecanstillbeverygreat.Duringawintergale,wavessometimesstriketheshorewiththeforceof6,000poundsforeachsquarefoot.Tha
4、tmeansawave,25feethighand500feetalongitsface,maystriketheshorewithaforceof75millionpounds.(91)Yetthewaves,nomatterhowbigorhowviolent,affectonlythesurfaceofthesea.Duringthemostragingstorms,thewaterahundredfathoms(600feet)beneaththesurfaceisjustascalmasonadaywithoutabreat
5、hofwind.21.Accordingtothepassage,destructioncausedbyhighwavesoccurs.A.regularlyB.rarelyC.alwaysD.predictably22.Itisimpliedthatoutatsea,whenwavesgoinginoppositedirectionsmeet,theirforce.A.causegreatdamageB.extendstotheoceanfloorC.isliabletolessenD.increasesrapidly23.Coas
6、taldepth.A.istheonlyfactorinfluencingthestrengthofhighwavesB.hasenormousinfluenceontheforceofhighwavesC.hasoninfluencepmthestrengthofveryhighwavesD.isirrelevanttothepowerofhighwaves24.ItcanbeinferredfromPara.2thatthepowerofhighwavesstrikingtheshoreis.A.constantB.equaliz
7、edC.variableD.perpetual25.Itisimpossibleforthehighwaves.A.tobringaboutmostragingstormsB.tohaveaneffectontheseabottomC.toaffectthesurfaceoftheseaD.tocausedamagetothelandQuestions26to30arebasedonthefollowingpassageIfitwereonlynecessarytodecidewhetherteachelementaryscience
8、toeveryoneonamassbasisortofindtherifledfewandtakethemasfarastheycango,ourtaskwouldbefairlysimple.Thepublicscho
