不是工程建设标准对经济社会的作用的选项是（）。 A.促进科研成

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问题单项选择题

不是工程建设标准对经济社会的作用的选项是（）。

A.促进科研成果和新技术的推广应用

B.保障社会公共利益

C.促进企业科学发展

D.有利于标准的不断改进

答案

参考答案：D

补全对话，情景问答

补全对话。

A: Hello! 28361579.

B: Is 1 Mr. Jones?

A: Sorry, he 2 in at the moment. He left home a few minutes 3 .

B: 4 a pity! Will he come back soon?

A: I'm not sure. Can I 5 a message for him?

B: It's very 6 of you. There will 7 a meeting at 2:00 tomorrow afternoon.

Please tell him to come 8 time.

A: I certainly will. I'll tell him as 9 as he comes back.

B: Thanks a lot. Good-bye!

A: You're 10 .

填空题

静电场（）越高，电除尘器效果越好，且以（）捕集灰尘效果最好。