下列何种药物可以制成胶囊剂
A.硫酸镁
B.复方樟脑酊
C.亚油酸
D.水合氯醛
E.以上都是
参考答案:C
It’s required that the students______ mobile phones in their school, so seldom ______ them using one.
A.not use; will you see
B.should not use; you will see
C.don’t use; will you see
D.would not use; you will see
苯带甲苯的原因是什么?应如何处理?