下列说法中正确的是[ ]

A．带电粒子在磁场中一定受到磁场力

B．通电导线在磁场中一定受到磁场力

C．运动的带电粒子在匀强磁场中一定做匀速圆周运动

D．运动的带电粒子在磁场中可能不受磁场力

用curiosity的短语或其适当形式完成句子

1) Margaret looked at him _____

2)She decided to try a cigarette _____

3)All the employees in this firm _____ the personal life of the general manager.

4) ____ enough, he had never seen the Iittle girl.

5)  ____ drove Mary to open her husband' s letter though she knew it was wrong.