电气设备着火的扑救方法是：先切断有关电源，而后用专用灭火器材扑救。

Our new English teacher, who is said to have moved back to China, ______ in America for almost ten years.

A．lived

B．has lived

C．was living

D．had lived

功能行气止痛，健脾消食的药物是（）。

A.香附

B.木香

C.枳实

D.陈皮

E.佛手

一How many books do you have?

—I don't have ________, not even ________ old one. [ ]

A. some; an

B. any; an

C. some; a

D. any; the

剩磁的磁场强度取决于工件的磁导率

下列哪些属于回族的风土人情（）.

A.在交谈中忌讳“猪”作任何比喻开玩笑

B.回族人民素来善于唱歌，并形成了独特的“歌杅”

C.忌讳不征得他们的同意随便用手摸他们的东西

D.忌讳在别人面前袒胸露背