变压器中性点直接接地的危害主要有哪几方面?

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问题:

变压器中性点直接接地的危害主要有哪几方面?

考点:采掘电钳工采掘电钳工题库
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学校食堂第一次运来28袋面粉,第二次运来19袋面粉,吃了16袋,还剩多少袋?

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下列有关演替的叙述中,错误的是[ ]

A.在沙丘、冰川泥土上进行的群落演替为初生演替

B.发生在裸岩上的演替依次经过:地衣阶段、苔藓阶段、草本阶段、灌木阶段、森林阶段

C.在弃耕农田上群落不可能发展到森林阶段

D.人类活动往往会使群落演替按照不同于自然演替的方向、速度进行

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现场检查终止时,现场检查组会同申报单位向公司总部生产技术部提交达标评价报告和限期整改内容,经公司总部生产技术部审定后,申报单位立即进行整改,()后方可重新进行现场检查。

A.1个月

B.3个月

C.半年

D.1年

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These are hard times for Deutsehe Bank, despite its huge strides in investment banking. Next week its chief executive, Josef Ackerman, goes on trial in Dusseldorf. Careless words by Rolf Breuer, the head of its supervisory board, led to another court ruling last month that may cost Germany’ s biggest bank several hundred million euros in damages. Then there is Parmalat. Although no evidence has emerged of complicity in the Italian dairy group’ s fraud, Deutsche’ s name has become entwined in the affair.

In many other respects, however, Deutsche’ s reputation has never been higher. In dubbing it " Bank of the Year 2003", International Financing Review, the capital markets’ favorite newssheet, purred that Deutsche was a "lean, aggressive, focused universal bank" In the league tables that investment banks watch so keenly, Deutsche excelled last year as lead manager of bonds and convertible bonds and of some racier products, such as repackaged debt securities and high-yield "junk" bonds. In other disciplines it rarely fell below the top ten in the world.

However, it is still nowhere near the top in equity offerings and advice on mergers and acquisitions, except in Germany. It still has a problem with costs,which were a fat 82% of income in the third quarter of 2003, thanks mainly to the thick pay packets of its investment bankers and its poor returns from corporate and retail banking.

Mr. Ackermann must try to improve the weak spots while spending two clays a week, probably until June, in a courtroom. He and four others face charges of "breach of trust" over the way bonuses were awarded to board meinbers of Mannesmann, a telecoms company. Mr. Aekermann sat on Mannesmann’ s supervisory board. There is no suggestion that he gained personally. Nor was there any harmful intent in Mr. Breuer’ s remarks in a television interview about the financial health of the Kirch media group shortly before its bankruptcy. But he was careless, and a Munich court found Deutsche (but not Mr. Breuer) liable for damages, to be set in due course, without right of appeal. The bank said this week it has lodged a protest with the federal supreme court in Karlsruhe. Meanwhile, Kirch has filed a suit against Deutsche in America.

Deutsche’s involvement with Parmalat also looks sloppy. It led a 350m bond issue fur the group in September. It was also a leading borrower and lender of Parma[at shares, so that in November it technically held the voting rights to over 5% of Parmalat stock. That stake had fallen to 1.5% by December 19th, the day the dairy company’s black hole became public. It reported this, perhaps over-zealously, to the Italian authorities. That may have given the wrong impression, say, sources close to the bank, because the transactions were for third parties.

This is awkward for a bank that managed to avoid most serious attacks on conflicts of interest thai beset the investment-banking industry following the collapse of Enron in 2001 and the bursting of the tech-stock bubble. Mr. Ackermann will need a clear head to steer the bank through the coming storms.

Deutsche is faced with a huge compensation in that()

A. the bank has failed to save Kireh from going bankrupt

B. the bank has intentionally undermined the financial image of the media group

C. the head of Deutsche’ s supervisory board has made some reckless comment

D. Deutsche has breached the trust of Kireh in the bonus awarding process

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在保洁作业训练演示方法中,有些内容用通常速度演示不易看清楚,可采用()。

A.分解演示法

B.慢速演示法

C.重点演示法

D.边演示边讲解法

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