问题
多项选择题
以下消息服务业务的哪些交易需先联动到消息服务注册查询交易（）？
A、注册
B、变更
C、注销
D、冻结
答案
参考答案：B, C
搜题请搜索小程序“爱下问搜题”
以下消息服务业务的哪些交易需先联动到消息服务注册查询交易（）？
A、注册
B、变更
C、注销
D、冻结
参考答案：B, C
| 选词填空。 | |
2. If you want to send a post card or letter, you can go to the ______________. 3. We should obey (应该遵守) ______________. 4. If you have a cold ______________ (感冒), you can go to the ______________ to see a doctor. 5. If you want to read books and don't want to buy them, you can go to the ______________. |