含热联合的二甲苯塔蒸汽发生器泄漏导致塔压升高的处理方法是（）

搜题请搜索小程序“爱下问搜题”

问题单项选择题

含热联合的二甲苯塔蒸汽发生器泄漏导致塔压升高的处理方法是（）。

A.蒸汽发生器切出、视塔压控制情况将回流罐的放火炬阀门打开

B.蒸汽发生器切出

C.蒸汽发生器切出、二甲苯塔塔顶的C8A切出原料罐

D.蒸汽发生器蒸汽脱网并确保蒸汽压力低于塔顶压力，防止水漏入塔顶液

答案

参考答案：A

单项选择题

关于慎独，正确的是

A．它是一种道德境界

B．它是一种道德修养的方法

C．它不仅是最高的道德境界，也是一种修养的方法

D．它是指小心谨慎的意思

E．它是指独自修炼的意思

补全对话，情景问答

用词，短语或句子补全对话。

(Wang Tao and Li Ming are going to play basketball. They want to invite Lin Hai, but...)

A: We are going to play basketball. 1. ___________ ?

B: Yes, I'd like to. But I can't.

A:2. ___________.

B: I have to see Xiao Fang in the hospital.

A: 3. ___________?

B: She has a stomachache and she doesn't want to eat anything.

A: 4. ___________. Does she often eat junk food?

B: Yes, she often eats junk food. It's bad for her 5. ___________

A: That's right. Let's go to see her together, shall we?

B: OK.Let's go.