指外源化学物被吸收进入机体的量的是（）
A.内剂量
B.外剂量
C.靶剂量
D.剂量
E.生物有效剂量
参考答案：A
根据句意, 用括号内所给单词的适当形式填空。
小题1:Two (nine)of the students in our school suffer from stress.
小题2:All parents love their children, and my parents love _____________（they）,too.
小题3:The students looked at their teacher _____________ (hope) and were very excited.
小题4:Because of the warm weather children feel______________ (sleep) in class than before.
穿隔离衣时，手何时被污染（）
A.取隔离衣时
B.系领扣时
C.系腰带时
D.穿隔离衣时
E.系袖扣时
