磺脲类药物作用主要是() A.提高外周组织对糖的利用 B.抑制肝糖原异生 C.促使靶

题型:单项选择题

问题:

磺脲类药物作用主要是()

A.提高外周组织对糖的利用

B.抑制肝糖原异生

C.促使靶细胞胰岛素受体亲和力增强

D.抑制肠道对糖的吸收

E.促进胰岛素分泌

考点:临床病理科住院医师内分泌系统内分泌系统题库
题型:单项选择题

有些动物在自然界中会对植物造成较大的危害,下列动物不危害植物的是[ ]

A.蝗虫

B.七星瓢虫

C.松毛虫

D.蚜虫

题型:单项选择题

从北京到杭州的铁路长1741千米,一列火车从北京开往杭州,每小时行162千米,8小时后离杭州还有多远?

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根据STCW规则,下列说法正确的是()。

A.轮机部高级船员的责任级别为管理级

B.500总吨以下船舶的高级船员的责任级别为操作级

C.500总吨以上船舶的高级船员的责任级别为管理级

D.组成航行值班的普通船员的责任级别为操作级

题型:单项选择题

绝对信用价差是指( )。

A.不同债券或贷款的收益率之间的差额

B.债券或贷款的收益率同无风险债券的收益率的差额

C.固定收益证券同权益证券的收益率的差额

D.以上都不对

题型:单项选择题

For the past two years in Silicon Valley, the centre of America’s technology industry, conference-goers have entertained themselves playing a guessing game: how many times will a speaker mention the phrase "long tail" It is usually a high number, thanks to the influence of the long-tail theory, which was first developed by Chris Anderson, the editor of Wired magazine, in an article in 2004. Though technologists and bloggers chuckle at how every business presentation now has to have its long-tail section, most are envious of Mr. Anderson, whose brainwave quickly became the most fashionable business idea around.

Whether a blockbuster film, a bestselling novel, or a chart-topping rap song, popular culture idolises the hit. Companies devote themselves to creating them because the cost of distribution and the limits of shelf space in physical shops mean that profitability depends on a high volume of sales. But around the beginning of this century a group of internet companies realised that with endless shelves and a national or even international audience online they could offer a huge range of products—and make money at the same time.

The niche, the obscure and the specialist, Mr. Anderson argues, will gain ground at the expense of the hit. As evidence, he points to a drop in the number of companies that traditionally calculate their revenue/sales ratio according to the 80/20 rule—where the top fifth of products contribute four-fifths of revenues. Ecast, a San Francisco digital jukebox company, found that 98% of its 10000 albums sold at least one track every three months. Expressed in the language of statistics, the experiences of Ecast and other companies such as Aragon, an online bookseller, suggest that products down in the long tail of a statistical distribution, added together, can be highly profitable. The internet helps people find their way to relatively obscure material with recommendations and reviews by other people, (and for those willing to have their artistic tastes predicted by a piece of software) computer programs which analyse past selections.

Long-tail enthusiasts argue that the whole of culture will benefit, not just commercial enterprises. Television, film and music are such bewitching media in their own right that many people are quite happy to watch and listen to what the mainstream provides. But if individuals have the opportunity to pick better, more ideally suited entertainment from a far wider selection, they will take it, according to the theory of the long tail. Some analysts reckon that entire populations might become happier and wiser once they have access to thousands of documentaries, independent films and subgenres of every kind of music, instead of being subjected to what Mr. Anderson calls the tyranny of lowest-common-denominator fare. That might be taking things a bit far. But the long tail is certainly one of the internet’s better gifts to humanity.

Which word is most similar to "blockbuster" (Line 1, Paragraph 2) in meaning()

A. Bomb-like

B. Unpopular

C. High profit

D. Bestselling

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