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问题 单项选择题

催化剂硫化370℃恒温时，如果一旦温度超过395℃，即应（）。

A.启动O.7MPa／min泄压

B.打开2.1MPa／min副线泄压

C.反应加热炉紧急停炉

D.2.1MPa／min泄压

答案

参考答案：A

阅读理解

选句子完成短文

     Now,everyone.1 want to tell you something about my school.    1   It is on Coolidge Street near the center of town. It's between the bookshop and the bank.

     As you walk in the school, the first thing you see isthe library.  2  On the right, next to the library, you can see a gym. Sometimes we play volleyball there.

     I'm in Class 7 and our classroom is on the first floor,next to the computer room. Our teacher is called Ms Perry. Across from the computer room, you can see three science labs.    3    

     I go to school by bus.   4   His name is Henry. He is very nice to all the children.I have many friends at school and my aunt June works in the school, too. She is a maths teacher.

     I hope you can visit my school someday.
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判断题

微生物生长周期中种子接种的最佳时期是稳定期.
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