50.原文:Manyparentswillhavetodohomeworkonthedangersofdrugs.“Theonlythingworsethannoinformationisbadinformation,”saysPaulCiborowski.问题句:PaulCiborowskifeelsthatparentsshouldknowmoreaboutdrugsbeforetheycantalkwiththeirchildrenabouttheissue.