问题
单项选择题
在施工作业时，若发生原油泄漏，首先应根据（）和蒸气扩散的影响区域划定警戒区。
A、泄漏量
B、泄漏原因
C、液体流动
D、安全措施
答案
参考答案：C
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在施工作业时，若发生原油泄漏，首先应根据（）和蒸气扩散的影响区域划定警戒区。
A、泄漏量
B、泄漏原因
C、液体流动
D、安全措施
参考答案：C
| 从方框中选择恰当的词或短语完成下列宾语从句，每词限用一次（其中有两个多余）。 | |
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| l.Could you tell me I can get to the station ? 2. People often ask me I like being a twin. 3. The man asked bus he could take. 4. The teacher said the moon goes round the earth. 5. Do you know the man _ is waiting here？ 6. Mr Chen asked I came from. 7.1 want to know it takes him to go there. 8. Mr Smith asked the boy _ he was so late for school. |