（EMB145）如果总线ICB故障，则FD工作以什么方式（）
A.FD1为主，FD2为从
B.FD1和FD2均为主
C.FD1为从，FD2为主
参考答案：B
This new method of teaching for the time being in our school. It will be carried out all________over the city.
A. is experimenting B. is experimented C, is being experimented D. has been experimented
既是募穴，又是八会穴的是
A．公孙 B．鸠尾 C．膻中 D．期门 E．丰隆
