采用PSS,增加了发电机的(),以静态稳定。
A.阻尼
B.电阻
C.电容
D.电抗
参考答案:A
选出适合句意的词
1. Are there ______ ( any / some ) students in the room?
2. Tom has got four ______ ( parents / grandparents).
3.I have got an American friend, _______ (his / he's) name is Tony.
4.She ______ (is / has ) got a brother.
5.Thank you for ______ ( help / helping ) me.
痫病辨证时,应首辨()。
A.阴阳
B.寒热
C.气血
D.标本虚实
E.脏腑