在面对( )形态时,不用等到突破后再开始行动。
A.V形
B.双重顶(底)
C.三重顶(底)
D.矩形
参考答案:A,B
We went through a period_______ communications were very difficult in the countryside.
A.which
B.in which
C.whose
D.with which
公开版WCDMA手机业务参数配置时,主页通常配置为()
A.http//www.wo.com.cn
B.www.myuni.com.cn
C.www.chinaunicom.cn
D.www.10010.com