同步发电机发生振荡时，应设法增加发电机的励磁电流。
参考答案：对
一根圆钢，长1米2分米，把它锯成8厘米长的小段共可锯成______段，要锯______次．
Jenny nearly missed the flight＿＿doing too much shopping.
A．as a result of
B．on top of
C．in front of
D．in need of
