易于挥发(逸散)的药品是
A.氢氧化钠
B.薄荷脑
C.碘化钾
D.乙酰水杨酸
E.氯化铵
参考答案:B
. The police refused to _____ the clues they were working on.
A.exhibit
B.disclose
C.expose
D.discern
缺油或注油过多会导致减速器温度上升。