问题 问答题 简答题

管道运行管理的主要目的是通过制定什么,运行管道运行分析和调度等手段,充分发挥管道与设备的输送效率,实现管道安全、平衡、经济的最优化运行?

答案

参考答案:管道运行计划

阅读理解

阅读理解。

     Sarah lives in the country, and she loves playing in the river near her house. But her father gets a job

in a big city, and he moves there with his family.

    Their new house has a garden, but the garden is very small. Sarah isn’t happy. "Is there a river near

here?" she asks her mother on the first morning. Her mother answers, “No, there isn’t, but there is a nice

park near here and there is a pool in it. We are going there this afternoon.” Sarah is happy now.

    After lunch, Sarah and her mother go to the park. Sarah wants to walk near the pool, but there is a

sign(标志) before it. Her mother reads it to her, "Warning(警告): This pool is dangerous. 367 people

fell(跌倒) into it." Sarah looks into the pool carefully , and she says, "But I can’t see them."  

1. Sarah likes playing _______ very much.

A. in the park        

B. in the garden      

C. in the river      

2. Sarah’s father works _______.

A. in the country    

B. in a big city      

C. in a small city      

3. There is _______ near Sarah’s new house.

A. a park          

B. a garden          

C. a zoo            

4. Sarah goes to the park with _______.

A. her father        

B. her mother        

C. her teacher        

5. Why can’t Sarah see the people in the pool?

A. Sarah’s mother doesn’t let her see.      

B. She is too young.

C. There are no people in the pool.        

问答题 简答题