unit5delicate world period2using language练习新精创学年高中英语同步备课外研版选择性必修第二册52原卷

Unit AdelicatePeriod Using（练习原卷版Inherfirstbooksheexinedtheroleofvegetablefibers,vitamins,minerals,andother Warmthesugarslightlyfirsttomakeit (溶解Ifyoudescribesomeoneasabook (虫子youmeantheyareveryfondofThey (授粉theflowerandhelpseedsdevelopThegirlstudentdidnotreturnhomeinsteadofattendingthesummer (期间ofProtectandrestorewetlands,whichareanimportantpartofgrassland In (比较withthepreviousstudythenewstudyexpandedresearchTestresultsindicatethata (分)canremarkablyimprovethequalityofthisnewTheystronglydemandthatyou (补偿fortheItisaveryprettybutterflywithapairof Bothsidesconsider desirabletofurthertheunderstandingbetweenthetwoDuetotoomuchworktodo,I'llleaveituptoyou (use)yourIthinkit breakthroughtotransformadesertintoaorawidestretchof (absorb)intheirgame,thesechildrendidnotfeelhungryatDon'trelyon (go)abroadforourholiday,forwemaynotbeabletoaffordTheycannotbereliedon (offer)muchsupportorusefulThedissolvedchemicalsarereleasedbackintothefoodchain (use)bySecondaryconsumerspreyonprimaryconsumers,aswellas (eat)otheranimalInjusta (collect)pollenandnectar,onesinglehoneybeecanpollinateasmanyasto100Bothpatternstendtoexistbecausethey (feed)oneachbenative feedin prayabsorb...transform...breakcheckacombinationtakeAccordingtoastudy,butterflies asweetliquidproducedbyItiscommonknowledgethathumans oxygenandbreatheoutcarbonTheworms'abilitytobreakdowntheireverydayfoodalsoallowsthemto Therulesaysthatguestsshould oftheirroomsbynooniftheydon’tpay Thelionsinthisarea deerandotherwildanimalsforThered-earedslider,aspeciesoffreshwaterturtle, internalandexternalfactorscaused tocloseTheancientisthoughttobetheonlyone intheIfweusethisnewwaytoboilmeat,minerals animalfoodsmoreDuringtheholidayseason,thetown aChristmashasmadegreatimprovementsinenvironmentalprotectionduringthepastsevenyears.1．Eachspecies（物种）onEarthhasaroletoyintheecosystem.Inrecentdecades,aseriesofwildlife-protectionmovementshavebeencarriedoutbythecentralernment.2．Thegiantpandaandthecrestedibisareamongthesesuccessstories.Thegiantpandausedtohaveapopulationof1114inthe1970s.Itnowtotals1864thanksto52protectionareas.3.Bytheendoflastyear,sevenoftheninepandasreleasedhadsurvivedinthewild.4．In1981，onlysevencrestedibiseswerefoundinYangxiancounty,ShaanxiProvince.Sincethen,breeding inrecentyears,tohelpwiththespecies' Keyprojectswillbecontinuallycarriedouttoimproveprotection，includingmakingthelistsofwildanimalsandntsunderStateprotection，andalsofightingagainstillegalwildlifetrade，whichincludesivory（象牙）.Asenvironmentaldamagehasincreased,signsofchangehaveappearedaroundtheAnotherspecieswasoncethoughttobeScientistshaveworkedtofeedpandasandthenreleasethemintothePeoplecallforimmediateprotectionoftheremainingSeveralspeciesindangerofextinctionhavemadeimpressiveprogressthankstothewillcontinueitseffortsofthewildlifeProtectingwildlifeis,withoutdoubt,animportantV:阅读理解。阅读下面短文，从短文后各题所给的A、B、CD四个选项中，选出可以填入空Onekindoffemalebutterflymatesonlyonceinitslife--andthenclosesitswingstoavoid"harassment"whenpursuedbypersistentandunwantedmales,aJapaneseresearchersaid.ObservationsoftheSmallCopperButterfly,acolourfulorangeandblackbutterfly,showedthatsomefemalesclosedtheirwingswhenmalesflewby,butonlywhentheyweremalesoftheirownspecies,saidJun-YaIde,anassociateprofessoratKurumeInstituteofTechnologyinFukuoka,westernJapan."Whenwelookedintowhy,themaleswerecourtingthefemales.Theydothisverystubbornly,sothefemalessometimestrytogetaway--orprefertostayunobserved,"headded.Ideandhiscolleaguesbroughtamodelofamalebutterflynearthefemalestotesttheirreactionsandfoundthatyoungfemalesthathadyettomatekepttheirwingsopen,butthosethathadalreadymatedclosedNotonlycanthepersistentattentionsofunwantedsuitorsharmthedelicatefemales,fleeingfrom--withthemaleofteninpursuit--usesupstrengthandcanevenshortentheirlives,headded."Closingtheirwingsmakesthemlessvisible,helthemavoidcommunicationwiththeirownspecies.Wefiguredtheyweretryingtoavoidharassmentbymales,"Idesaid.Whatdoestheword“harassment”meaninthe B． ual D．Whysomefemalesclosedtheirwingswhenmalesflewbecausetheyclosetheirwingstoavoid"harassment"whenpursuedbypersistentandunwantedbecausethefemalebutterflymatesonlyonceinitsbecausetheydon’tlikethemalebutterflyatbecausetheyareafraidofthemaleAccordingthethepassage,whichisThefemalesclosedtheirwingswhenmalesflewOnlythemodelofamalebutterflycanmaketheyoungfemalebutterfliestokeeptheirwingsThefemalebutterflymatesonlyonceinitsNotonlycanthepersistentattentionsofwantedsuitorsharmthedelicatefemales,fleeingfromthemwiththemaleofteninpursuit--usesupstrengthandcanevenshortentheirlives.VI.Thered-earedslider,aspeciesoffreshwaterturtle,isnative1theSouthernUnitedStatesandNorthernMexico.Duetoitscuteappearance,manypeoplethink2(keep)thisturtleasapetisagoodidea.Recentyearshaveseenmoreandmorepetslidersescaor3(release)fromhomes,andsomeownersbelieveitnobigissuetoreleasethemintothewild.Thesedays,people4(find)itathreattootherspeciestoreleasetheseturtlesintothewild.Becauseoftheirhighsurvivalratehigh,whenreleasedintothewild,theywillseriously5(threat)thesurvivalofnativewild6(tortoise)andsimilarspecies.Moreover,thered-earedsliderstakeupalargeareaofspace,7belongstoothernativewildlife.Therefore,tho