相信自己,是金子早晚会发光的。
A.终于
B.早就
C.终究
D.尽快
参考答案:C
My sister met him at the Grand Theater yesterday afternoon, so he ______ lecture.
A.mustn’t have attended
B.needn’t have attended
C.couldn’t have attended
D.shouldn’t have attended
固态溶液中药物存在形式是:()
A.分子状态
B.胶态
C.微晶
D.无定型
E.物理态