哪些用户可以注册天翼Live帐号？（）
A.中国电信手机号
B.中国电信固定电话号码
C.移动联通手机号
D.MSN账号
E.QQ账号
参考答案：A, B
Which of the following statements best describes humor in China
A．It is more or less the same in all parts of the country.
B．It is drastically different in every part of the country.
C．It is distinguished from Hong Kong.
D．It is more a verbal act than a physical act in the north.
设0＜a＜1，那么不等式的解集为（）。
A.A
B.B
C.C
D.D
的解集为（）。