烟酰胺使肉呈红色,并有促进发色、防止褪色的作用。()

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问题:

烟酰胺使肉呈红色,并有促进发色、防止褪色的作用。()

考点:食品工艺学食品工艺学综合练习食品工艺学综合练习题库
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阅读下面一段新闻,请简要概括学者们集体反对《自然遗产保护法》的三大理由,每条理由限6字以内。

  易稿多次的《自然遗产保护法》,再次遭到法律、生物保护界学者们的“炮轰”。学者们认为,《自然遗产保护法》的保护范围为国家级自然保护区和国家级风景名胜区,而包括地方级自然保护区和风景名胜区以及森林公园、湿地公园、地质公园等其他类型的7000多个保护地将无法可依。专家调查发现,我国的天山、晋冀山地、青海省东部边界地区、云贵高原东南部、黄土高原和广西北部,淮河和黄河下游等地,许多物种都面临严重威胁。生态系统紧密相连,是相互影响的整体,分割保护不利于自然保护工作,是对自然规律的不尊重。我国的自然保护区素来有多头管理的问题,再加上管理权和监督权没有分开,即“自己监督自己”,很难进行有效保护。

答:__________________________________

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简述单级船闸的优点?

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逆水封有什么作用?

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可溶性膳食纤维有()。

A.果胶

B.树胶

C.半纤维素

D.木质素

E.纤维素

题型:判断题

When Liam McGee departed as president of Bank of America in August, his explanation was surprisingly straight up. Rather than cloaking his exit in the usual vague excuses, he came right out and said he was leaving "to pursue my goal of running a company. " Broadcasting his ambition was "very much my decision," McGee says. Within two weeks, he was talking for the first time with the board of Hartford Financial Services Group, which named him CEO and chairman on September 29.
McGee says leaving without a position lined up gave him time to reflect on what kind of company he wanted to run. It also sent a clear message to the outside world about his aspirations. And McGee isn’t alone. In recent weeks the No. 2 executives at Avon and American Express quit with the explanation that they were looking for a CEO post. As boards scrutinize succession plans in response to shareholder pressure, executives who don’t get the nod also may wish to move on. A turbulent business environment also has senior managers cautious of letting vague pronouncements cloud their reputations.
As the first signs of recovery begin to take hold, deputy chiefs may be more willing to make the jump without a net. In the third quarter, CEO turnover was down 23% from a year ago as nervous boards stuck with the leaders they had, according to Liberum Research. As the economy picks up, opportunities will abound for aspiring leaders.
The decision to quit a senior position to look for a better one is unconventional. For years executives and headhunters have adhered to the rule that the most attractive CEO candidates are the ones who must be poached. Says Kom/Ferry senior partner Dennis Carey: "I can’t think of a single search I’ve done where a board has not instructed me to look at sitting CEOs first. "
Those who jumped without a job haven’t always landed in top positions quickly. Ellen Marram quit as chief of Tropicana a decade age, saying she wanted to be a CEO. It was a year before she became head of a tiny Internet-based commodities exchange. Robert Willumstad left Cifigroup in 2005 with ambitions to be a CEO. He finally took that post at a major financial institution three years later.
Many recruiters say the old disgrace is fading for top performers. The financial crisis has made it more acceptable to be between jobs or to leave a bad one. "The traditional rule was it’s safer to stay where you are, but that’s been fundamentally inverted," says one headhunter. "The people who’ve been hurt the worst are those who’ve stayed too long. \

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