抽水蓄能机组作调相运行时()。
A.只可以吸收无功
B.只可以发出无功
C.可以吸收也可以发出无功
D.只能吸收有功
参考答案:C
读经纬网示意图.完成下列内容(共5分)
(1)读出A、B两点的经纬度:
A(____,__________);B(____ ,_________)
(2)判断A、B两点的半球位置:从南北半球看,A点位于__半球,从东西半球看,A、B点均位于___半球。
(3)A点在B点的___________方向。
To help others is more valuable than anything else. ______ we show our love and care to others,
the world will be full of happiness and pleasure. [ ]
A. As long as
B. As many as
C. As tall as