2016年6月大学英语四级阅读每天一练(16)思维导图
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思维导图大纲
2016年6月大学英语四级阅读每天一练(16)思维导图模板大纲
距离2016年6月四级考试越来越近了，现在正是大家备考英语四级最好的时机。新东方网英语四级频道为大家整理了英语四级阅读每天一练，希望可以为大家带来帮助。
Today,asineveryotherdayoftheyear,morethan3000U.S.adlescentswillsmoketheirfirstcigaretteontheirwaytobecomingregularsmokersasadults.Duringtheirlifetime,itcanbeexpectedthatofthese3000about23willbemurdered,30willdieintrafficaccidents,andnearly750willbekilledbyasmoking-relateddisease.Thenumberofdeathsattributedtocigarettesmokingoutweithtsallotherfactors,whethervoluntaryorinvoluntary,asacauseofdeath.
Sincethelate1970s,whendailysmokingamonghighschoolseniorsreached30precent,smokingratesamongyouthhavedeclined.Whilethedeclineisimpressive,severalimportantissuesmustberaised.
First,inthepastseveralyears,smokingratesamongyouthhavedeclinedverylittle.Second,inthelate1970s,smokingamongmalehighschoolseniorsexceededthatamongfemalebynearly10percent.Thestatisticisreversing.Third,severalrecentstudieshaveindicatehighschooldropoutshaveexcessivelyhighsmokingrates,asmuchas75percent.
Finally,thouthsignificantdeclinesinadolescentsmokinghaveoccurredinthepastdecade,nodefinitereasonsforthedeclineexist.Withinthiscontext,theNaionalCancerInstiute(NCI)beganitscurrentefforttodeterminethemosteffecivemeasurestoreducesmokingleveslamongyouth.
1.Accordingtotheauthor,thedeathsamongyoutharemainlycausedby_____.
a.trafficaccidents
b.smoking-relateddesease
c.murder
d.allofthese
2.Everydaythereareover_____highschoolstrdentswhowillbecomeregularsmoker.
a.75b.23c.30d.3000
3.By"dropout"theauthormeans______.
a.studentswhofailedtheexamination
b.studentswholeftschool
c.studentswholosttheirway
d.studentswhoweredrivenoutofschool
4.Thereasonfordecliningadolescentsmokingisthat________.
a.NCIhastakeneffectivemeasures
b.smokingispreventedamonghighschoolseniors
c.therearemanysmokerswhohavediedofcancer
d.noneofthese
5.Whatisimpliedbutnotstatedbytheauthoristhat________.
a.smokingratesamongyouthhavedeclinedverylittle
b.therearenowmorefemalethanmalesmokersamonghighschoolseniors
c.highsmokingratesareduetotheinceaseinwealth
d.smokingathighschoolarefromlowsocio-economicbackgrounds
答案：bdbdb
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