纯粹风险的后果是()。
A.损失
B.无损失
C.获利
D.获利或损失
E.获利或无损失
参考答案:A, B
下列设备中利用了通电导体在磁场中受到力作用的是( )
A.电动机
B.电磁铁
C.发电机
D.动圈式话筒
It is hoped that you can make some adjustments about the quality of your service the reactions of the customers.
A.in return for
B.in response to
C.in favor of
D.in charge of