采用移相电容的补偿方式有几种？效果最好的方式是哪一种？
参考答案：
有三种，（1）个别补偿（2）分组补偿（3）集中补偿。效果最好的是个别补偿。
改写句子 (10分)
小题1:Boys and girls enjoyed themselves on the school trip.(写出同义句)
Boys and girls ____________ ____________ ____________ ____________ on the school trip.
小题2:The students took the bus back to school. (写出同义句)
The students ______________ _______________ to school _____________ _____________.
小题3:It rained all day yesterday.(就划线部分提问)
______________ ______________ ______________ ______________ yesterday?
小题4:We need two teaspoons of cinnamon for the fruit salad. (就划线部分提问)
________________ ________________ cinnamon do you need for the fruit salad?
小题5:There were some sharks in the aquarium.(改为否定句)
There _______________ _______________ sharks in the aquarium.
在我国著名的织锦中，产于( )的云锦是因锦纹如云而得名的。
A．南京
B．成都
C．苏州
D．杭州
