题目内容:
WhatdoestheauthorsayaboutthesecondAustralianstudy? A.Itmisleadspeopletorelyonsunscreenforprotection.
B.Ithelpspeopletoselectthemosteffectivesunscreen.
C.Itisnotbasedondirectobservationofthesubjects.
D.ItconfirmstheresultsofthefirstAustralianstudy.
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答案解析: