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1、语法填空专练（一）阅读下列短文，在空白处填入1个适当的单词或括号内单词的正确形式。AGoldfishmaylooksmallandcuteinyourhome,butinthewild,it’sadifferentstory.Releasingthemintoyourlocalstreamorlakeis1.________badidea.Rightnow,WashingtonState2.________(fight)offaninvasion(入侵)ofgoldfish!ThousandsofgoldfisharelivingintheWestMe
2、dicalLakeinlarge3.________(number)andarecrowdingoutthenativefishpopulation.Howdidthishappen?TheDepartmentofFishandWildlifethinksafewirresponsiblepetownersare4.________(blame).Andwhilethegoldfishmayhavecosttheownersafewdollars,thismessisgoingtocostthestateabout$150,000totrytoremo
3、vetheseharmfulfish.Butthisisn’ttheonlyplace5.________thisishappening.Goldfishareinvadinglakesandstreamsworldwide,andit’sallourfault.6.________youthinkyou’redoingthegoldfishafavorbyreleasingit,you’rewrong!Instead,you’resettingthestagefora(n)7.________(ecology)disaster,whichcouldt
4、hreatenhundredsofotherspecies.Itturnsoutthatgoldfishareoneoftheworld’s8.________(bad)invasivespecies.Theyintroducediseasesthatdestroythe9.________(delicate)balancedecosystemswherevertheygo.Andtheyaren’thappytostayinoneplaceandwilltravelacrossmanybodiesofwater.So10.________(think
5、)twicebeforethrowingthatgoldfishaway.BThoughheis74yearsold,JiaZushunvolunteersinthefieldofenvironmentalprotectionatAhaReservoirwherehehaslivedforhisentirelife.1.________(cover)190squarekilometers,AhaReservoirisoneofGuiyang’smajorwater2.________(source)andapopulartourismresortint
6、hecity.“3.________ismyresponsibilitytohelpkeepthewaterclean,” hesaid.Sinceretirement,Jiahastakenaction.Hisdailywork4.________(include)security,environmentalpublicityandgarbagedisposal(处理).In2006,Jiahimselfspent$127,8685.________(build)abamboohouse,adock(码头)andparkingspots.“Themo
7、stdifficultthingformeistohandletouristswhodon’twanttotakepart6.________environmentalprotection,”saidJia.Hesaid7.________reservoirreceivesmorethan3,000visitorsadayduringpeakseason.Suchintensivehumanactivitycreateswaterpollution.“Butthesituationhasimprovedsincethelocalgovernmentse
8、tout8.________(construct)anecologicalcivilizati
