发生液化气渗漏，对渗漏出来的气体要采取（）措施，以保持气体浓_爱下问搜题

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问题单项选择题

发生液化气渗漏，对渗漏出来的气体要采取（）措施，以保持气体浓度低于爆炸浓度范围。

A、保压

B、收集处理

C、强制通风

D、引燃

答案

参考答案：C

补全对话，情景问答

从方框中选择合适的句子补全对话。

A. Yes, thanks, but I'm a little tired.
B. Yes, it's mine, thanks.
C. He's washing dishes in the kitchen.
D. What would you like for breakfast, Jane?
E. It's six thirty.

1.	— Did you have a good trip? — 1__________________________________
2.	— What time is it? — 2__________________________________ — Be quick! We are late.
3.	— 3__________________________________ — I'd like cereal, Mum.
4.	— Where is Dad? — 4__________________________________
5.	— Is this your hat? — 5__________________________________

判断题

钢筋混凝土构件中，钢筋主要承受拉力。