五脏主五液，心所主的液是（）
A.唾
B.泪
C.涕
D.汗
E.涎
参考答案：D
—What's the matter?
—_____________[ ]
A. I'm coming in a minute
B. I have a bad cold.
C. I'm going to buy some food.
D. I watched TV last night.
UPS按输出容量分类，是以功率为（）KVA为界来区分的。
A.5
B.10
C.15
D.20
