年中考英语必读时事热点1文章导读一、阅读理解这是一篇科普类型说明文，对新型冠状病毒的是什么及来源进行说明和探究。二、完形填空人物传记钟南山介绍三、阅读理解“山川异域,风月同天”日本援助物资现暖心古诗四、阅读填空如何防止新型冠状病毒传染五、阅读选词填空新型冠状病毒战役介绍六、书面表达保护野生动物一、阅读理解SinceDecember,therehavebeentensofthousandsofCOVID-19casesbothinandoutofChina,causedbyapreviouslyunknownvirus:novelcoronavirus(新冠病毒).It’snotthefirsttimeforvirusestomakeheadlines.Viruseshavebroughtbigtroubletohumans,withtheirpotentialtocausewidespreaddiseaseanddeath.Whatarethey?Virusesareconsideredtobenon-livingorganisms(有机物).Theycaninfectanimalsandplants,makingthemsick.TheycontaingeneticmaterialslikeDNAandareprotectedbyacoatingofprotein.Unlikebacteria(细菌),virusescan’treproduceontheirown.Instead,theyinvadedthecellsoflivingorganismstoreproduce,spreadandtakeover.Butthebasicquestionis:wheredidvirusesfirstcomefrom?Untilnow,noclearexplanationfortheiroriginexists.“Tracingtheoriginsofvirusesisdifficult,”EdRybicki,avirologistattheuniversityofCapeTowninSouthAfrica,toldScientificAmerican,“becausevirusesdon’tleavefossils(化石)andbecauseofthetrickstheyusetomakecopiesofthemselveswithinthecellsthey’veinvaded.”Understandingtheoriginsofvirusesmeansfullyunderstandingthehistoryoftheirhosts—notonlyhumans,butalsobacteria,plantsandotheranimals,whichisacomplicatedtask,saysNature.However,therearethreemaintheoriestoexplaintheoriginofviruses.First,virusesstartedasindependentorganisms,andthenbecameparasites(寄生者).Second,virusesevolved(进化)frompiecesofDNAorRNAthat“escaped”fromlargerorganisms.Thethirdoneisthatvirusesco-evolvedwiththeirhostcells,whichmeanstheyexistedalongsidethesecells.Forthetimebeing,theseareonlytheories.Thetechnologyandproofswehavetodaycannotbeusedtotestthesetheoriesanddiscoverthemostplausibleexplanation.Continuingstudiesmayprovideuswithcleareranswers.Orfuturestudiesmayfindthattheanswerisevenmoremysteriousthanitnowappears.1.Whatcanwelearnaboutvirusesfromthepassage?A.Theyonlyinfectanimalsandplants.B.Theyreproducebyfindingahostcell.C.Theyarereallysmalllivingorganisms.D.Theyaremoredangerousthanbacteria.2.Theunderlinedword“plausible”inthelastparagraphprobablymeans“______”.A.creativeB.effectiveC.reasonableD.unbelievable3.Whatcanwelearnfromthepassage?A.Theauthorisconfidentaboutfurthervirusstudies.B.Viruseswillbecomemorelikebacteriaastheyevolve.C.Viruseslivelongerinhumanhostcellsthaninanimals.D.Itmaytakealongtimetodiscovertheoriginofviruses.4.What’sthebesttitleofthepassage?A.WhereDoVirusesComefrom?B.WhyIsCOVID-19aTerribleVirus?C.HowtoStoptheVirusesfromSpreading?D.WhatAretheDifferencesBetweenVirusesandBacteria?二、完形填空Asthesayinggoes,“Aheroisknowninthetimeofmisfortune（不幸）”.ZhongNanshanisaherolikethis.HeisadoctorinGuangdong,who1manypeople’slivesin2003.In2003,SARS2inGuangdong.Later,itspreadacrossChinaandotherpartsoftheworld.Patientscoughedalotandgotfevers.Hundredsof3evendiedfromthedisease.EvenmanydoctorsandnursesgotSARSwhentheytreatedpatients.Soeveryonewasafraidofit.ButZhongwas4enoughtofightthedisease.Zhongspentdaysandnightstofindthecauseofthe______.Andwithhiswayoftreating,manypatientsbegantogetbetter.Zhongfinallywonpeople’strust.Inearly2020,adiseasecalledNovelcoronaviruspneumonia(新型冠状病毒肺炎)hitWuhan.Itspread6aroundtensofthousandsofChinesepeoplewer...
