四川省成都外国语学校2019-2020学年高二英语下学期开学考试试题【含答案】.doc

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1、四川省成都外国语学校2019-2020学年高二英语下学期开学考试试题注意事项：1.本试卷分第I卷（选择题）和第II卷（非选择题）两部分。2.本堂考试120分钟，满分150分。3.答题前，考生务必先将自己的姓名、考号准确无误地填写在答题卡规定的位置上，并使用2B铅笔填涂。4.考试结束后，将答题卡交回，答题卡不得折叠。第I卷（选择题共70分）第一部分阅读理解（共两节，满分40分）第一节(共15小题；每小题2分，满分30分)ACoronaviruses(冠状病毒)Coronaviruses(冠状病毒)arealargegr

2、oupofviruses.Theyconsistofacoreofgeneticmaterial（遗传物质）surroundedbyanenvelopewithproteinspikes(蛋白棘突).Thisgivesittheappearanceofacrown.CrowninLatiniscalled“corona”andthat’showthesevirusesgettheirname.Inthistext,we’lltakeaquicklookatwhat’scurrentlyknownaboutthevir

3、us.Covid-2019The2019NovelCoronaviruswasfirstreportedDecemberinWuhan,centralChina'sHubeiProvince,hasquicklyspreadacrossthecountryandaroundtheworld.Itinitiallyoccurredinagroupofpeoplewithpneumonia(肺炎)who’dbeenassociatedwithaseafoodandliveanimalmarketinthecityofWu

4、han.Intermediatehosts:The2019-nCoVmayoriginateinbats,ateamledbyrenownedChinesevirologistShiZhenglisaidearlier,whiletheintermediaryhostremainsunknown.Incubationperiod(潜伏期):1-14days.Infection:Virusmayspreadbeforesymptomsshow.14SARS-CoVTheSevereAcuteRespiratorySyn

5、drome(SARS)coronaviruswasfirstidentifiedinChinain2003.Intermediatehosts:Batsaretheoriginalhost.Civetcatsandcatsserveasanimportantintermediarythatcarriesvirusfromthewingedmammaltohumans.Incubationperiod:2-7days.Infection:Virusspreadaftersymptomsshow.MERS-CoVTheM

6、iddleEastRespiratorySyndrome(MERS中东呼吸综合征)coronavirusthatwasfirstidentifiedinSaudiArabia(沙特阿拉伯)in2012.Intermediatehosts:Batsaretheoriginalhost.MERS-CoVwastravelledfromdromedarycameltohumans.Incubationperiod:2-14days.Infection:Virusmayspreadbeforesymptomsshow.1.W

7、hatistheintermediatehostsoftheCovid-2019?A.Bats.B.Civetcats.C.Camel.D.Unknownyet2.Whichkindsofcoronavirusesmayspreadbeforesymptomsshow?A.TheCovid-2019B.SARS-CoVC.TheCovid-2019andMERS-CoVD.MERS-CoV3.Whatisthefollowingstatementisnottrueaboutcoronaviruses?A.TheCov

8、id-2019,SARS-CoVandMERS-CoVareallincludedincoronaviruses.B.TheanimalreservoiroftheCovid-2019isbats.C.AmysteriouspneumoniaoutbreakwasfirstidentifiedinChina.D.ButinbothSARS-Co