超高压变压器油标准要求“击穿电压”不小于()。A、30kV B、35kV C、4

题型:单项选择题

问题:

超高压变压器油标准要求“击穿电压”不小于()。

A、30kV

B、35kV

C、40kV

D、45kV

考点:通信工程师油品储运考试油品储运考试题库
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Could you _____ the windows? I feel a little hot.[ ]

A. please not to close    

B. please not close    

C. not please close

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She was very happy. She ran           of all the runners.   [ ]

A. fastest                    

B. the quickest  

C. slowest                    

D. quickly

题型:单项选择题

阅读下列材料。

这个建筑是法国历史上最具影响的地方之一。初为军事堡垒。后来成为囚禁政治犯的监狱,是法国封建专制制度的象征。1789年7月14日,巴黎人民攻占并彻底摧毁了它。

回答:

(1)这个建筑的名称叫什么?

______________________________________________

(2)材料反映了哪一历史事件?有何历史意义?

______________________________________________

题型:单项选择题

国家气象观测站一级站统一要求承担()任务。

A.气象旬月报

B.加密天气报

C.气候月报

D.8次天气报

题型:单项选择题

With hundreds of millions of electronic (11)taking place daily, businesses and organizations have a p incentive to protect the. (12) of the data exchanged in this manner, and to positively ensure the (13) of those involved in the transactions. This has led to an industry-wide quest for better, more secure methods for controlling IT operations,and for deploying p security mechanisms deeply and broadly throughout networked infrastructures and client devices. One of the more successful concepts to engage the imaginations of the security community has been the development of standards-based security(14) that can be incorporated in the hardware design of client computers. The principle of encapsulating core security capabilities in (15) and integrating security provisions at the deepest levels of the machine operation has significant benefits for both users and those responsible for securing IT operations.

空白处(12)应选择()

A.operation

B.completeness

C.integrity

D.interchange

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