ACEI的主要不良反应是()
A.干咳
B.尿量增多
C.头痛
D.面色潮红
E.心动过缓
参考答案:A
The top of the hill is _________,but the trees grow part way up its slope.
A.empty
B.vacant
C.blank
D.bare
机车如何实现行走?