所有移动品牌客户,只要开通了GPRS或CSD数据业务,彩信业务则自动开通。()
参考答案:错
基站数目多、覆盖半径小、话务分布大的区域,天线的水平波瓣宽度应选得小一点;反之,波瓣宽度应选得()。
Mr Black _____ his wife to teach their child a lesson. So he did.
A.promised
B.persuaded
C.wanted
D.told