简述公文批办的作用及主要内容。

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问题:

简述公文批办的作用及主要内容。

考点:事业单位招聘考试事业单位公共基础知识(公文写作)事业单位公共基础知识(公文写作)题库
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电路中所安装的熔丝(保险丝)常用铅、锡合金制成,特点是柔软,熔点低,熔点在()℃。

A、200-300

B、350-400

C、100-150

D、300-350

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康明斯KTA-l9G2型柴油机的空气阻力器的指示窗口正常颜色是()。

A.黑色

B.绿色

C.黄色

D.红色

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水的相变是各相之间分子交换的结果。

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Beijing: The United States and North Korea had their first ______ in four months here this afternoon as part of the ______ negotiations on how to end North Korea’s nuclear program, but diplomats played down prospects for______. James A. Kelly, assistant ______, and Kim Yong Ⅱ, North Korea’s deputy foreign minister, met ______ of formal discussions, ______ on direct dialogue that began after a stormy meeting ______ in which North Korea warned that it was moving quickly to ______ nuclear arms. The Bush administration had insisted ______ that it would only hold talks with North Korea ______ because, it argued, only ______ pressure would persuade North Korea to______. It got its way when North Korea dropped its insistence on ______ and agreed, after extensive efforts by China, to hold unusual simultaneous negotiations with ______,______,______ and ______ as well as the United States. Though Bush administration officials had not ______ talking privately with the North Koreans during______, the fact that Mr. Kelly and Mr. Kim met on the first day was seen as a sign of ______ by the American side.

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氮气加热器E15108采用的加热介质为()。

A、高压蒸汽

B、次高压蒸汽

C、中压蒸汽

D、低压蒸汽

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