药毒的临床特点为()。
A.有用药病史
B.有一定的潜伏期.常突然发病
C.皮损形态多样,颜色鲜红
D.停药后消退迅速
E.可泛发或限于局部
参考答案:A, B, C, E
△-15比△-51的结果大。(△大于51) [ ]
—Johnny Depp is my favorite film star.
—You mean the one ________ acted in the film Pirates of the Caribbean? [ ]
A. which
B. who
C. whose