2019版一轮优化探究英语（人教版）练习：选修八 Unit 4 Pygmalion Word版含答案

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1、Ⅰ.阅读理解ADoPeru'spotatoeshavetherightstuff?That'sthequestionscientistswillbeaskinginLimanextmonth,whenaselectionofpotatoeswillbeginundergoingteststodeterminewhethertheyarefittogrowonMars.NASA,theUSspaceagency,isconductingthepioneeringexperimenttogetherwithLima'sInternatio

2、nalPotatoCenter.TheywillcultivateahundredselectedvarietiesinMarslikeconditionsthatcouldeventuallypavethewayforbuildingadomeontheRedPlanetforfarmingthevegetable.Oftheselectedcandidates,40arenativetotheAndesMountains,conditionedtogrowindifferentecologicalzones,canstandsud

3、denclimatechangesandreproduceinrockyareas.Theother60areimprovedvarieties,abletosurvivewithlittlewaterandsalt.Theyarealsoimmunetoviruses.Thosethatpassthetestsmustmeetafinalcriterion—theymustbeablenotonlytogrowwellonMarsbutalsoreproduceinlargequantities.“We'realmost100per

4、centcertainthatmanyoftheselectedpotatoeswillpassthetests，”saidJulioValdiviaSilva,aPeruvianNASAastrobiologist(太空生物学家)whoistakingpartintheambitiousproject.Thescientistsplantotransport100kilosofsoiltoalabinLimathatwillsimulatethecomplexMartianatmosphere—whichcontainsmostly

5、carbondioxide—andexposeittoextremeultraviolet(紫外线的)radiation.Ifthevarietiesselectedfornextmonth'sexperimentdon'tadapttothedesertsoil,theresearcherswillintroducenutrients,whichwillbeprovidedbyradiation.Infutureyears,NASAplanstobuildaMarsresearchcenterinthePeruviandesert.

6、ItwouldcreateaperfectcopyoftheMartianlandscapeandatmosphereforfutureresearchintospacefarmingthatcouldservemannedmissionstoMarsandotherplanetsinthesolarsystem.[语篇解读]　本文为一篇新闻报道.美国国家航空航天局(NASA)将与国际马铃薯研究中心联手，进行一项开创性实验.1．Whatisthebesttitleofthepassage?A．TransportpotatoestoPe

7、ruB．DeterminethevarietiesofpotatoesinPeruC．NASAistobuildaMarsresearchcenterinPeruD．NASAistosimulategrowingpotatoesonMarsinPeru解析:标题归纳题.通读文章可知美国国家航空航天局(NASA)计划与国际马铃薯研究中心联手，进行一项开创性实验，即在秘鲁培育可在火星上种植的土豆.故答案为D项.答案:D2．Accordingtothethirdparagraph,whichofthefollowingstatementsi

8、sTRUE?A．Fortykindsofpotatoescansurvivewithlittlewaterandsalt.B．ManytypesofpotatoestobeplantedonMarsaredevelope