不入汤剂,只入丸散剂的药物是()
A.马勃
B.蝉蜕
C.石膏
D.牛黄
E.天花粉
参考答案:D
The editor's job is to keep the newspaper______ and _____ to the readers.
A.balanced; interested
B.balancing; interesting
C.balanced; interesting
D.balancing; interested
国家标准中规定的一般用途往复活塞式内燃机台架试验类别有( )。
A.定型试验
B.疲劳试验
C.验收试验
D.抽查试验
E.功率试验