知识运用部分

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1、知识运用部分综合SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)fromeachnumberedblankandmarkA,B，CorDonANSWERSHEET1.(10points)十三、化石IspentsomeofthemostexcitingdaysofmylifeworkingontheeasternshoresofKenya'sLakeTurkana,searchingforthefossilized_1_ofourearlyancestors・Wedidnotalwaysfindwha

2、twewanted,buteverydaytherewasmuchmoretodiscoverthanthe_2_ofourownpredecessors・Thefossils,somequitecomplete,othersmere_3_,spokeofanotherworldinwhichtheancestorsofmanyoftoday5sAfricanmammalsroamedtherichgrasslandandforest_4_between1.5millionand2millionyearsago.Theenvironmentwasnottoodifferent_5_thewet

3、tergrasslandsofAfricatoday,_6_itwasfullofamazinganimalsthatarcnowlong_7_.OneinparticularI_8_toseealivewasashort-neckedgiraffe_9_thathadhuge"antlers",somewitha_10_acrossthehornsofcloseto8ft(almost3m).Therewerebuffalo-sizeantelopes,carnivoresthat_11_likesabertoothedlions,andatleasttwotypesofelephant.W

4、emayneverknowthefullextentofthisincrediblemammalian_12_,buttherewereprobablymorethantwice_13_manyspeciesamillionyearsagoastherearetoday・Thatwastruenotjust_14_Africa.Thefossilrecordtellsthesame_15_everywhere・Mostoflift'sexperimentshave_16_incxtinction.Itisestimatedthatmorethan95%ofthespeciesthathavee

5、xistedoverthepast400millionyearsaregone.So,shouldwebe_17_aboutthecurrentspasmofextinction^whichhasbeen_18_bytheinexorableexpansionofagricultureandindustry?Ibelieveso.Weknowthatthewellbeingofthehumanraceis_19_tothewell-beingofmanyotherspecies,andwecan'tbesurewhichspeciesaremostimportanttoourown20.1.[

6、A]ruins[B]remains[C]vestiges[D]fragments2.[A]marks[B]symbols[C]tracks[D]traces3.[A]fragments[B]pieces[C]patches[D]chips4.[A]edges[B]margins[C]brims[D]fringes5.[A]to[B]of[C]from[D]with6.[A]yet[B]while[C]but[D]so7.[A]disappearing[B]extinct[C]dead[D]gone8.[A]wouldlike[B]wouldhaveloved[C]wouldlove[D]pre

7、ferred9.[A]relative[B]relation[C]conncction[D]folk10.[A]distance[B]range[C]span[D]space11.[A]looked[B]musthavelooked[C]couldhavelooked[DJmustlook12.[A]variety[B]multiplicity[C]complexity[D]diversity13