题目内容:
AllofthefollowingstatementsaretheeffectsofsmokingonwomenEXCEPTthat
A.thedeathratesofthewomenandmenwhoaresmokingareinsimilarproportion B.smokingcausesthesamediseasesinwomenasinmen
C.inthepast20years,deathratesinwomenfromlungcancerhavemorethandoubled
D.smokingisresponsiblefor30percentofallcancerdeathsamongwomen
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答案解析: