VINⅡ、Ⅲ的治疗（）
A.药物治疗
B.微波治疗
C.激光治疗
D.外阴病灶切除或单纯外阴切除
E.广泛外阴切除
参考答案：D
It's said that you ______ several countries where the UN ______ programs to help people in the
past two years as a Goodwill Ambassador. [ ]
A. visited; operated
B. have visited; operates
C. are visiting; operates
D. visit; operate
WLAN无线局域网是局域网的重要组成部分，但是不能完全替代有线局域网。一般情况下室内的有效覆盖半径为（），15M以上信号衰弱；室外有效覆盖半径为（）。
