使用中兴U880手机通过短信方式开通发送（）到（）和取消飞信发送（）到（）服务。
参考答案：KTFX、10086、QXFX、10086
You should read the article as ____ as I do to know what the writer really wants to tell us.
A．careful
B．more careful
C．carefully
D．more carefully
现代中国农村家庭的变化
