下面关于发电机的说法错误的是[ ] A．可以把机械能转化为电_爱下问搜题

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问题选择题

下面关于发电机的说法错误的是[ ]

A．可以把机械能转化为电能

B．可以制造电荷，而向外供电

C．是利用电磁感应现象制造的

D．有直流发电机和交流发电机

答案

答案：B

选择题

—It’s reported that a big shopping centre will be built in Hexi New Town.

—Really? I think it’s good news for my mother bad news for my father.

A．and

B．but

C．or

D．yet

选择题

.

He _________ at once when I promised to help him.

A．cheered up

B．gave up

C．lighted up

D．turned up