旋进式旋涡流量计是利用什么工作原理工作的?

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问题:

旋进式旋涡流量计是利用什么工作原理工作的?

考点:仪表工考试仪表维修工高级仪表维修工高级题库
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标准PID调节回路需哪几种功能块构成?

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STS是由APG的()盘生成,然后通过()盘传送到OSS。

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下列哪一项不属于《宪法》规定的公民的基本权利( )

A.环境权

B.平等权

C.出版自由

D.受教育权

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Why do so many Americans distrust what they read in their newspapers? The American Society of Newspaper Editors is trying to answer this painful question. The organization is deep into a long self-analysis known as the journalism credibility project.

Sad to say, this project has turned out to be mostly low-level findings about factual errors and spelling and grammar mistakes, combined with lots of head-scratching puzzlement about what in the world those readers really want.

But the sources of distrust go way deeper. Most journalists learn to see the world through a set of standard patterns into which they plug each day’s events. In other words, there is a conventional story line in the newsroom culture that provides a backbone and a ready-made narrative structure for otherwise confusing news.

There exists a social and cultural disconnect between journalists and their readers, which helps explain why the "standard patterns" of the newsroom seem alien to many readers. In a recent survey, questionnaires were sent to reporters in five middle-size cities around the country, plus one large metropolitan area. Then residents in these communities were phoned at random and asked the same questions.

Replies show that compared with other Americans, journalists are more likely to live in upscale neighborhoods, have maids, own Mercedes, and trade stocks, and they’re less likely to go to church, do volunteer work, or put down roots in a community.

Reporters tend to be part of a broadly defined social and cultural elite, so their work tends to reflect the conventional values of this elite. The surprising distrust of the news media isn’t rooted in inaccuracy or poor reportorial skills but in the daily clash of world views between reporters and their readers.

This is an explosive situation for any industry, particularly a declining one. Here is a troubled business that keeps hiring employees whose attitudes vastly annoy the customers. Then it sponsors lots of symposiums and a credibility project dedicated to wondering why customers are annoyed and fleeing in large numbers. But it never seems to get around to noticing the cultural and class biases that so many former buyers are complaining about. If it did, it would open up its diversity program, now focused narrowly on race and gender, and look for reporters who differ broadly by outlook, values, education, and class.

小题1:What is the passage mainly about?

A.needs of the readers all over the world

B.causes of the public disappointment about newspapers

C.origins of the declining newspaper industry

D.aims of a journalism credibility project小题2:The results of the journalism credibility project turned out to be______.

A.quite trustworthy

B.somewhat contradictory

C.very instructive

D.rather superficial(肤浅的)小题3:The basic problem of journalists as pointed out by the writer lies in their _________.

A.working attitude

B.conventional lifestyle

C.world outlook

D.educational background

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如果恢复时间目标增加,则()

A.灾难容忍度增加

B.恢复成本增加

C.不能使用冷备援计算机中心

D.数据备份频率增加

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