集中供热的民用建筑,如居住、办公医疗、托幼、旅馆等可选择的热

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问题单项选择题

集中供热的民用建筑,如居住、办公医疗、托幼、旅馆等可选择的热媒是（　　）。

A．低温热水、高压蒸气

B．110℃以上的高温热水、低压蒸气

C．低温热水、低压蒸气、高压蒸气

D．低温热水、110℃高温热水、低压蒸气

答案

参考答案：D

补全对话，情景问答

补全对话，根据下面对话中的情景，在每个空白处填人适当的语句，使对话恢复完整。

A: Hello, Tom!

B: HelIo,Jane! 1._____

A: Tired? Because l went to bed too late last night.

B: Why? Did you do your homework?

A: 2._____ I just watched a football match between two famous teams.

B: 3._____

A: Yes, very exciting. But l was a little disappointed.

B:What happened?

A: My favorite player missed a good chance. He couldn't kick the football into the goal! All his fans were very angry with him.

B: But you shouldn't be angry with him. I'm sure he must have done his best.

A: Yes, I think so. Oh, you look unhappy. 4._____

B:I am lonely. My parents went to Beijing for an important meeting. I'm alone at home.

A: 5._____ I'll stay with you.

B: Thank you very much.

A: You're welcome.

填空题

正常分层注水井每（）测试1次，分层测试资料使用期限不超过（）月。