【全国百强校】四川省成都外国语学校2019-2020学年高二下学期开学考试英语试题 Word版含答案.doc

成都外国语学校2019-2020年下学期开学考试
高二英语试卷

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）
(共15小题；每小题2分，满分30分)
A
Coronaviruses(冠状病毒)
Coronaviruses(冠状病毒)arealargegroupofviruses.Theyconsistofacoreofgeneticmaterial（遗传物质）surroundedbyanenvelopewithproteinspikes(蛋白棘突).Thisgivesittheappearanceofacrown.CrowninLatiniscalled“corona”andthat’showthesevirusesgettheirname.Inthistext,we’lltakeaquicklookatwhat’scurrentlyknownaboutthevirus.
Covid-2019
The2019NovelCoronaviruswasfirstreportedDecemberinWuhan,centralChina'sHubeiProvince,hasquicklyspreadacrossthecountryandaroundtheworld.Itinitiallyoccurredinagroupofpeoplewithpneumonia(肺炎)who’dbeenassociatedwithaseafoodandliveanimalmarketinthecityofWuhan.
Intermediatehosts:The2019-nCoVmayoriginateinbats,ateamledbyrenownedChinesevirologistShiZhenglisaidearlier,whiletheintermediaryhostremainsunknown.
Incubationperiod(潜伏期):1-14days.
Infection:Virusmayspreadbeforesymptomsshow.
SARS-CoV
TheSevereAcuteRespiratorySyndrome(SARS)coronaviruswasfirstidentifiedinChinain2003.
Intermediatehosts:Batsaretheoriginalhost.Civetcatsandcatsserveasanimportantintermediarythatcarriesvirusfromthewingedmammaltohumans.
Incubationperiod:2-7days.
Infection:Virusspreadaftersymptomsshow.
MERS-CoV
TheMiddleEastRespiratorySyndrome(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.WhatistheintermediatehostsoftheCovid-2019?
A.Bats. B.Civetcats. C.Camel. D.Unknownyet
2.Whichkindsofcoronavirusesmayspreadbeforesymptomsshow?
A.TheCovid-2019B.SARS-CoV
C.TheCovid-2019andMERS-CoVD.MERS-CoV
3.Whatisthefollowingstatementisnottrueaboutcoronaviruses?
A.TheCovid-2019,SARS-CoVandMERS-CoVareallincludedincoronaviruses.
B.TheanimalreservoiroftheCovid-2019isbats.
C.Amysteriouspneumoniaoutbreakwasfirstide