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《2019版高考英语一轮复习总结(北京专用)检测：高考题组训练专题十三-主旨大意题-含答案》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、专题十二主旨大意题Passage1（2017北京,C）Measles（麻疹），whichoncekilled450childreneachyearanddisabledevenmore,wasnearlywipedoutintheUnitedStates14yearsagobytheuniversaluseoftheMMRvaccine（疫苗）・Butthediseaseismakingacomeback,causedbyagrowinganti-vaccinemovementandmisinformation
2、thatisspreadingquickly.Alreadythisyear,115measlescaseshavebeenreportedintheUSA,comparedwith189foralloflastyear・Thenumbersmightsoundsmall,buttheyaretheleadingedgeofadangeroustrend.Whenvaccinationratesareveryhigh,astheystillareinthenationasawhole,everyoneispro
3、tected.Thisiscalledfc4herdimmunity^whichprotectsthepeoplewhogethurteasily,includingthosewhocan^bevaccinatedformedicalreasons,babiestooyoungtogetvaccinatedandpeopleonwhom（hevaccinedoesn'lwork.Butherdimmunityworksonlywhennearlythewholeherdjoinsin.Whensomerefus
4、evaccinationandseekafreeride,immunitybreaksdownandeveryoneisinevenbiggerdanger.That'sexactlywhatishappeninginsmallneighborhoodsaroundthecountryfromOrangeCounty,California,where22measlescaseswerereportedthismonth,toBrooklyn,N.Y.,wherea17-year-oldcausedanoutbr
5、eaklastyear.Theresistancetovaccinehascontinuedfordecades,anditisdrivenbyarealbutverysmallrisk.Thosewhorefuse（otakethatriskselfishlymakeotherssuffer.Makingthingsworsearestatelawsthatmakeittooeasytooptout（决定不参力H）ofwhataresupposedtoberequiredvaccinesforallchild
6、renenteringkindergarten.Scvcntccnstatesallowparentstogetanexemption（豁免）,sometimesjustbysigningapapersayingtheypersonallyobjecttoavaccine・Now,severalstatesaremovingtotightenlawsbyaddingnewregulationsforoptingout.Butnoonedoesenoughtolimitexemptions・Parentsough
7、ttobeabletooptoutonlyforlimitedmedicalorreligiousreasons.Butpersonalopinions?Notgoodenough.Everyoneenjoysthelife-savingbenefitsvaccinesprovide,butthey'llexistonlyaslongaseveryonesharesintherisks・1.Thefirsttwoparagraphssuggestthat・A.asmallnumberofmeaslescases
8、canstartadangeroustrendB.theoutbreakofmeaslesattractsthepublicattentionC.anti-vaccinemovementhasitsmedicalreasonsD.informationaboutmeaslesspreadsquickly2.Herdimmunityworkswellwhen・A.cxcmptionsar
