现网典型判断为室内弱覆盖门限是从低于多少开始（）
A.－50dbm
B.－75dbm
C.－95dbm
D.-102dbm
参考答案：C
An ______ boy came to our class yesterday. [ ]
A. 11-year-old
B. 11-years-old
C. 11-year old
D. 11 years old
LEN(“计算机”)＜MN("COMPUTER")=______。
