对着陆灯的要求是：（）.
A.照度强，光束宽
B.照度强，光束窄
C.亮度可调，照射距离远
D.照射距离远，宽度宽
参考答案：B
----I don’t really like James. Why did you invite him?
-----Don’t worry. He________ come. He said he wasn’t certain what his plans were.
A．must not
B．need not
C．would not
D．might not
硬盘服务器将共享的硬盘空间划分为公用盘体与
A．虚拟盘体与专用盘体
B．私用盘体与共享盘体
C．专用盘体与共享盘体
D．私用盘体与专用盘体
