题目内容：
根据以下材料，回答题 NewUSPlanforDiseasePrevention
UrgingAmericanstotakeresponsibilityfortheirhealth,HealthandHumanServicesSecretaryTommyThompsononTuesdaylauncheda$15millionprogramtotrytoencouragecommunitiestodomoretopreventchronicdiseaseslikeheartdisease,canceranddiabetes(糖尿病).
Theinitiativehighlightsthecostsofchronicdiseases--theleadingcausesofdeathintheUnitedStates-andoutlineswaysthatpeoplecanpreventthem,includingbetterdietandincreasedexercise.
"IntheUnitedStatestoday,7of10deathsandthevastmajorityofseriousillness,disabilityandhealthcarecostsarecausedbychronicdiseases,"theHealthandHumanServicesdepartmentsaidinastatement.
Thecausesareoftenbehavioral--smoking,pooreatinghabitsandalackofexercise.
"Iamconvincedthatpreventingdiseasebypromotingbetterhealthisasmartpolicychoiceforourfuture,"Thompsontoldaconferenceheldtolaunchtheinitiative.
"Ourcurrenthealthcaresystemisnotstructuredtodealwiththerisingcostsoftreatingdiseasesthatarelargelypreventablethroughchangesinourlifestylechoices."
Thompsonsaidheartdiseaseandstrokeswillcostthecountrymorethan$351billionin2003.
"Theseleadingcausesofdeathformenandwomenarelargelypreventable,yetweasanationarenottakingthestepsnecessaryforUStoleadhealthier,longerlives,"hesaid.
The$15millionisdesignedtogotocommunitiestopromoteprevention,pushingforchangesassimpleasbuildingsidewalkstoencouragepeopletowalkmore.
Dailyexercisesuchaswalkingcanpreventandevenreverseheartdiseaseanddiabetes,andpreventcancerandstrokes.
Themoneywillalsogotocommunityorganizations,clinicsandnutritionistswhoarebeingencouragedtoworktogethertoeducatepeopleatriskofdiabetesaboutwhattheycandotopreventitandencouragemorecancerscreening.
TheAmericanCancer.Societyestimatesthathalfofallcancerscanbecaughtbyscreening,includingPaptests(巴氏试验)forcervical(子宫颈的)cancermammograms(乳癌X线照片)forbreastcancer,colonoscopies(结肠镜检查),andprostate(前列腺的)checks.
Ifsuchcancerswereallcaughtbyearlyscreening,thegroupestimatesthatthesurvivalrateforcancerwouldriseto95percent.
WhichofthefollowingisNOTtrueofchronicdiseasesintheUS? A．Theyaccountfor70%ofalldeaths.
B．Theyareresponsibleformostofthehealthcarecosts.
C．Theyoftenresultinunhealthylifestyles.
D．Theyarelargelypreventable.
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