2020高考英语外刊报道专题4 溯源新冠病毒：蝙蝠如何练成“百毒不侵”（原卷版 ）.docx

《2020高考英语外刊报道专题4 溯源新冠病毒：蝙蝠如何练成“百毒不侵”（原卷版 ）.docx》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、Howdobatslivewithsomanyviruses?溯源新冠病毒：蝙蝠如何练成“百毒不侵”读前导读：这个春节，蝙蝠瞬间成为了千夫所指的对象，人们憎恶海吃野味的非理性行为，也记恨这个传播病毒的可能宿主。“天然的病毒库”是它的别称。既然蝙蝠本身携带如此多的病毒，为什么它自己却能毫发无损？这到底是怎样的一种神奇生物呢？。Part1：高级实词分类记名词类：1.outbreak/ˈaʊt.breɪk/n.2.indication/ˌɪn.dəˈkeɪ.ʃən/n.3.strain/streɪn/n.4.trace/treɪs/n.5.host/hoʊst/v.n.6.

2、mammal/ˈmæm.əl/n.7.invasion/ɪnˈveɪ.ʒən/n.8.organism/ˈɔːr.ɡən.ɪ.zəm/n.9.inflammation/ˌɪn.fləˈmeɪ.ʃən/n.10.sensen.11.alliance/əˈlaɪ.əns/n.形容词和副词1.previous2.eventually3.disease-causing4.normally5.damaging6.weakened7.balanced8.current9.essential10.equally动词1.trace/treɪs/v.2.host/hoʊst/v.3.f

3、loat/floʊt/v.4.curtail/kɚˈteɪl/v.Part2：高级词汇拓展1.indication/ˌɪn.dəˈkeɪ.ʃən/n.标示；表明；显示v.指出，表明______________2.invasion/ɪnˈveɪ.ʒən/n.入侵，侵略v.侵犯，入侵____________3.organism/ˈɔːr.ɡən.ɪ.zəm/n.生物体；（尤指）微生物v组织；（古）形成有机体____________4.inflammation/ˌɪn.fləˈmeɪ.ʃən/n.炎（症）n.火焰；____________v.气得脸涨红___________

4、_v.让...激动；让...更生气____________Part3：高级短语荟萃1.handlesomethingcalledDNAsensing.2.energydemandsofflight3.releasebitsofDNA4.respondto5.indicateaninvasionof6.adisease-causingorganism7.weakenthatsystem8.beverydamagingtothebody9.aweakenedresponse10.maintaina“balancedstateof‘effectiveresponse’Par

5、t4：原汁文章思维能力提升训练Ifpreviousoutbreaksofcoronavirusareanyindication,theWuhanstrainthatisnowspreadingmayeventuallybetracedbacktobats.Onebatcanhostmanydifferentviruseswithoutgettingsick.Ina2018paperinCellHostandMicrobe,scientistsinChinaandSingaporereportedtheirinvestigationofhowbatshandlesome

6、thingcalledDNAsensing.TheenergydemandsofflightaresogreatthatcellsinthebodybreakdownandreleasebitsofDNAthatarethenfloatingaroundwheretheyshouldn’tbe.Mammals,includingbats,havewaystoidentifyandrespondtosuchbitsofDNA,whichmightindicateaninvasionofadisease-causingorganism.Butinbats,theyfoun

7、d,evolutionhasweakenedthatsystem,whichwouldnormallycauseinflammationasitfoughttheviruses.Batshavelostsomegenesinvolvedinthatresponse,whichmakessensebecausetheinflammationitselfcanbeverydamagingtothebody.Theyhaveaweakenedresponse,butitisstillthere.Thus,theresearcherswrite,thiswe