广域网首先是地理覆盖范围大，并且数据传输率通常比局域网高。( )
参考答案：错
解析： 广域网数据传输率通常比局域网低。
—Wasn’t it Dr．Wang who spoke to you just now?
— ．
A．I didn’t know he was
B．Yes，it was
C．No，he wasn’t
D．Yes，he did
顽拗型种子
