以下（）条件符合需要上报的特别重大事故情况。 A.不同运营商的

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问题单项选择题

以下（）条件符合需要上报的特别重大事故情况。

A.不同运营商的网间电话通信全阻持续超过5小时

B.不同运营商的网间电话通信全阻持续超过3小时

C.不同运营商的网间电话通信全阻持续超过8小时

D.不同运营商的网间电话通信全阻持续超过12小时

答案

参考答案：A

句型转换

根据第一个句子的意思，完成第二个句子，每个空格只准填一个单词。

1. The newspaper says the price of houses will continue to rise.

It _______ _______ that the price of houses will continue to _______ _______.

2. We don't have to leave so early.

There is _______ _______ _______ _______ to leave so early.

3. I visited a specific house last Sunday. I will remember it forever.

I will _______ remember the specific house _______ _______ _______ last Sunday.

4. His Chinese has improved a lot since he came to China.

He has _______ great _______ in Chinese since he came to China.

5. I expect to go to your party.

I am _______ _______ _______ _______ to your party.

单项选择题

契约的作用是约束当事人履行所（）

A.享受的权利

B.分担的任务

C.承担的义务

D.约定的事项