素有“夏月麻黄”之称的药是()。
A.金银花
B.藿香
C.佩兰
D.桂枝
E.香薷
参考答案:E
The manager, ______his factory’s products were poor in quality, decided to give his workers further training.
A.knowing
B.known
C.to know
D.being known
不锈钢所受腐蚀主要为()和()。