MM业务功能有哪些（）：
A.MM会员
B.中国移动开发者社区
C.MM WWW门户“一键安装”功能
D.MM商城应用下载
参考答案：A, B, C, D
根据句意，用括号内所给词的适当形式填空。
1. —Thank you for (invite) ______ me to your party next Sunday, Peter. —I'm glad to do that.
2. You can't take anything from here without (permit) ______.
3. It's said that you've completed the building of the new lab (succeed) ______ in time.
4. In 1972,it was discovered that the manatees were in (dangerous) ______.
5. It is very important to make a correct (decide) ______.
Excel中输入公式时；下列符号不能用做公式开头符号的是（）
A．：
B．﹦
C．$
D．﹡
