天津专用2019高考英语二轮增分策略专题三阅读理解第二节分类突破六推理判断-写作意图题优选习题

《天津专用2019高考英语二轮增分策略专题三阅读理解第二节分类突破六推理判断-写作意图题优选习题》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、六、推理判断——写作意图题(2018·北京，C)Plastic-EatingWormsHumansproducemorethan300milliontonsofplasticeveryyear.Almosthalfofthatwindsupinlandfills(垃圾填埋场)，andupto12milliontonspollutetheoceans.Sofarthereisnoeffectivewaytogetridofit，butanewstudysuggestsananswermaylieinthestomachsofso

2、mehungryworms.ResearchersinSpainandEnglandrecentlyfoundthatthewormsofthegreaterwaxmothcanbreakdownpolyethylene，whichaccountsfor40%ofplastics.Theteamleft100waxwormsonamercialpolyethyleneshoppingbagfor12hours，andthewormsconsumedandbrokedownabout92milligrams，oralmost3%

3、ofit.Toconfirmthattheworms’chewingalonewasnotresponsibleforthepolyethylenebreakdown，theresearchersmadesomewormsintopaste(糊状物)andappliedittoplasticfilms.14hourslaterthefilmshadlost13%oftheirmass—apparentlybrokendownbyenzymes(酶)fromtheworms’stomachs.Theirfindingswerep

4、ublishedinCurrentBiologyin2017.FedericaBertocchini，co-authorofthestudy，saystheworms’abilitytobreakdowntheireverydayfood—beeswax—alsoallowsthemtobreakdownplastic.“Waxisaplexmixture，butthebasicbondinpolyethylene，thecarbon-carbonbond，isthereaswell，”sheexplains.“Thewaxw

5、ormevolvedamethodorsystemtobreakthisbond.”JenniferDeBruyn，amicrobiologistattheUniversityofTennessee，whowasnotinvolvedinthestudy，saysitisnotsurprisingthatsuchwormscanbreakdownpolyethylene.Butparedwithpreviousstudies，shefindsthespeedofbreakingdowninthisoneexciting.The

6、nextstep，DeBruynsays，willbetoidentifythecauseofthebreakdown.Isitanenzymeproducedbythewormitselforbyitsgutmicrobes(肠道微生物)?Bertocchiniagreesandhopesherteam’sfindingsmightonedayhelpemploytheenzymetobreakdownplasticsinlandfills.Butsheexpectsusingthechemicalinsomekindofi

7、ndustrialprocess—notsimply“millionsofwormsthrownontopoftheplastic.”语篇解读　本文是一篇说明文。作者介绍了一项科学发现：一种吃塑料的虫子——大蜡螟，它胃中的酶能够降解塑料，从而为人们解决塑料污染问题提供新的途径。43.Whatcanwelearnaboutthewormsinthestudy?A.Theytakeplasticsastheireverydayfood.B.Theyarenewlyevolvedcreatures.C.Theycanconsumep

8、lastics.D.Theywindupinlandfills.答案　C解析　推理判断题。根据第二段第一句“...foundthatthewormsofthegreaterwaxmothcanbreakdownpolyethylene...”和第二句中的“thewormsco