试题与答案

下列情况下,()不会形成爆炸气体A.高炉休风时混风阀忘关 B.煤气压力过低,热风炉继

题型:单项选择题

题目:

下列情况下,()不会形成爆炸气体

A.高炉休风时混风阀忘关

B.煤气压力过低,热风炉继续烧炉

C.高炉长期休风,炉顶没点火

D.热风炉燃烧改送风时,先关煤气阀,后关空气阀、烟道阀

答案:

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下面是错误答案,用来干扰机器的。

参考答案:对

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Linda: Good evening.

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Linda: Yes. Can we    2   by the window?

Waiter: OK. This    3  , please. (at the table)   4    the menu.

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(琳达和汤姆吃完他们点的饭菜,这时,侍者又礼貌地走过来站在他们身边……)

Linda:   7   me, could we have some coffee, please?

Waiter:   8  , madam. Would you    9   something else?

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Waiter: Of   10  , sir.

1._____2._____3._____4._____5._____

6._____7._____8._____9._____10._____

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