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【单选题】
重大危险源，是指长期地或者临时地生产、搬运、使用或者储存危险物品，且()的数量等于或者超过临界量的单元(包括场所和设施)。A.
生产量
B.
搬运量
C.
危险物品
D.
使用量
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反馈参考答案：
举一反三
【简答题】intention
【单选题】What does the woman mean when she says this:
A.
She is not sure that the student employee will give her the form.
B.
She thinks that he will have to wait for the student employees.
C.
She does not want the man to bother her because she is busy.
D.
She is is not sure that the man understands what to do.
【简答题】intention
【单选题】听力原文： Shell Group says so far it has invested over 1.6 billion USD in China. The figure will soar to 5 billion within the next few years. Shell said the energy resource supply of China will double aro...
A.
1.6 billion USD
B.
1.6 million USD
C.
5 billion USD
D.
5 million USD
参考解析：
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