根据《国家电网公司电网建设项档案管理办法》规定,一次设备调试报告系归卷分类号为()。

题型:单项选择题

问题:

根据《国家电网公司电网建设项档案管理办法》规定,一次设备调试报告系归卷分类号为()。

A.8405

B.8505

C.8406

D.8200

考点:基建安全知识竞赛基建安全知识竞赛题库
题型:单项选择题

若用NA表示阿伏加德罗常数的值,则下列说法错误的是(    )

A.常温常压下22.4 LH2含2NA个电子

B.NA个O2和NA个H2的质量比为16 : 1

C.1molH2O总共含有3NA个原子

D.71g Cl2变为Cl可得到NA个电子

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如何防治新城疫?

题型:单项选择题

单位工程施工组织设计的编制依据主要包括()。

A.工程的施工图纸及标准图

B.资源配置情况

C.有关的标准、规范和法律

D.设计文件

E.计划文件

题型:单项选择题

For many people today, reading is no longer relaxation. To keep up their work they must read letters, reports, trade publications, interoffice communications, not to mention newspapers and magazines: a never ending flood of words. In (1) a job or advancing in one, the ability to read and comprehend (2) can mean the difference between success and failure. Yet the unfortunate fact is that most of us are (3) readers. Most of us develop poor reading (4) at an early age, and never get over them. The main deficiency (5) in the actual stuff of language itself—words. Taken individually, words have (6) meaning until they are strung together into phrases, sentences and paragraphs. (7) , however, the untrained reader does not read groups of words. He laboriously reads one word at a time, often regressing to (8) words or passages. Regression, the tendency to look back over (9) you have just read, is a common bad habit in reading. Another habit which (10) down the speed of reading is vocalization—sounding each word either orally or mentally as (11) reads.

To overcome these bad habits, some reading clinics use a device called an (12) , which moves a bar(or curtain) down the page at a predetermined speed. The bar is set at a slightly faster rate (13) the reader finds comfortable, in order to "stretch" him. The accelerator forces the reader to read fast, (14) word by word reading, regression and subvocalization practically impossible. At first (15) is sacrificed for speed. But when you learn to read ideas and concepts, you will not only read faster, (16) your comprehension will improve. Many people have found (17) reading skill drastically improved after some training. (18) Charlie Au, a business manager, for instance. His reading rate was a reasonably good 172words a minute (19) the training; now it is an excellent 1,378 words a minute. He is delighted that how he can (20) a lot more reading material in a short period of time.

第(11)空应选择()

A.some one

B.one

C.he

D.reader

题型:单项选择题

在下列焊缝常见的缺陷中,属于表面缺陷的是()。

A.夹渣

B.气孔

C.裂纹

D.咬边

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