(F)_(3)CH=C(H)_(2) 与HBr加成时的主要产物是-|||-A.CF3 CH2CH2Br-|||-B.CF3 CHBrCH3-|||-C.CF3CH2 CH2Br与CF3 CHBrCH3相差不多-|||-D.不能反应-|||-19.下列化合物中 右临口口里

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