小儿结核性胸膜炎的胸水常是()
A.血性
B.草黄色
C.乳白色
D.脓性
E.草绿色
参考答案:E
The local government decided to ____ the two firms into a big one.
A.motivate
B.combine
C.compact
D.nominate
目前为何大型汽轮机均采用快速冷却技术?