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问题 多项选择题

危险化学品储存数量构成重大危险源的，与下列（）场所、设施、区域的距离应当符合国家有关规定。

A.学校

B.畜禽规模化养殖场

C.居住区

D.饮用水源

答案

参考答案：A, B, C, D

单项选择题

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet.

The key to SNMP  （） is its simplicity. It has a small command set that does a good job of collecting information from  （） any network device. In a SNMP environment,  （） of the work is handled by the network management system. Devices that are being managed are not  （） with processing  （） that might affect their performance.

Devices that are being managed are not （）

A．burdened

B．influenced

C．destroyed

D．mitigated
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单项选择题

下列（）驱动方式不适合开孔机选用。

A、人工

B、液压

C、气压

D、太阳能
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