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1、2021语法填空训练第20天语法填空1.阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。ThisyearhasbeenrewardingforYangXiaojun,a1.________（research）attheKunmingInstituteofZoology,theChineseAcademyofSciences(CAS).ThegreenpeafowlsYangandhisteambredlaidover202.________（egg）.Theyworkedhardforthes
2、epurebredgreenpeafowleggsfor3.________（many）thansixyears.ThegreenpeafowlisChina'sonlynativepeafowlandwasoncecommoninYunnanProvince,4.________theKunmingInstituteofZoologyisbased.5.________,inrecentdecadesadeclineintheirnumberledtheInternationalUnionforConser
3、vationofNature(IUCN)tolistthespeciesasendangeredonitsRedListofThreatenedSpecies.Habitat6.________（lose）isoneofthemain7.________（reason）forthespecies'dwindlingpopulation,withfewerthan500purebredgreenpeafowlsnowleftinthewildinChina,fewerthanthenumberofpandas.
4、Yangandhisteamsearchedmanyconservationareas8.________thepurebredgreenpeafowl,9.________（final）findingsix.Hetookthemtoalaboratorythatreproducestheirwildhabitat,wherescientistsusegenomesequencingtechnologytobreedmore.10"Thisservesasabeamoflightforourprotectio
5、nandresearchendeavor.However,thereisstillalongway10.________gobeforewereachthegoalofachievingenoughpopulationtoensurepropergeneexchangeforhealthydiversity,"Yangsaid.1.________2.________3.________4.________5.________6.________7.________8.________9.________10
6、.________1.阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Globalbiodiversityisnowfacingwide-rangingandoftenunprecedentedchallenges,accordingtoElizabethMarumaMrema,ActingExecutiveSecretaryoftheConventiononBiologicalDiversity,apartoftheUNEnvironmentProgram.AccordingtoMrema,
7、Chinahastakenpractical1.________（measure）topromoteecologicalprotectionand2.________（establish）manyeffectivemechanismsforgreendevelopment.Thecountryhasalsogivenprioritytoprotectingbiodiversity,andisapartytotheConventiononBiologicalDiversitysincethe1990s.10Yu
8、nnanboasts3.________（impress）biodiversity.InMay,theprovincialgovernmentreleasedawhitepaperonitsbiologicaldiversity,thefirstofitskindinChina.Accordingtothedocument,whileYunnanaccounts4.________only4.1pe
