People don’t want to buy information onlin

题型:单项选择题

问题:

People don’t want to buy information online. Why Because they don’t have to. No more than that because they’re used to not paying for it. That’s the conventional wisdom. Slate, Microsoft’s online politics-and-culture magazine, is an oft-cited example of the failed attempts to charge a fee for access to content. So far, for most publishers, it hasn’t worked.

But nothing on the Web is a done deal. In September graphics-soft-ware powerhouse Adobe announced new applications that integrate commerce into downloading books and articles online, with Simon & Schuster, Barnes and Noble, and Salon. corn among its high-profile partners. Some analysts put the market for digitized publishing at more than $100 billion. Of course, if the Internet can generate that kind of money—some might say almost any kind of money—people want in. And this couldn’t come at a better time. Newspaper and magazine writers in particular are increasingly frustrated by their publishers, which post their writings online but frequently don’t pay them extra.

So here’s the good news: Fathrain. com, the third biggest book-seller on the Net—after Amazon. com and Barnesandnoble. corn—is now doing just what the publishing industry that made it a success fears., it’s offering a secure way to pay for downloadable manuscripts online. Fatbrain calls it offshoot eMatter. With it, the company’s executives have the radical notion of ousting publishers from the book-selling business altogether by giving writers 50% of each and every sale (To reel in authors, eMatter is running a 100% royalty promotion until the end of the year. ) Suggested prices to consumers range from a minimum $ 2 to $ 20, depending on the size of the book to download.

"This will change publishing forever!" Chris MaeAskill, co-founder and chief executive of Fatbrain, declares with the bravado of an interior decorator. "With eBay, anybody could sell antiques. Now anybody can be published. "

There’s been no shortage of authors wanting in. Within a few weeks, according to the company, some 2,000 writers signed on to publish their works. Some of this is technical stuff—Fatbrain got where it is by specializing in technical books—but there are some well-known writers like Catherine Lanigan, author of Romancing the Stone, who has put her out-of-print books and a new novella on the site. Another popular draw is Richard Bach, who agreed to post a 23-page short story to the site.

Not everyone thinks downloadable documents are the biggest thing in publishing since Oprah’s Book Club. "I think it will appeal to sellers more than buyers," says Michael May, a digitalcommerce analyst at Jupiter Communications, which released a report that cast doubt on the market’s potential. "A lot of people are going to publish gibberish. The challenge is to ensure the quality of the work. "

Blaine Mathieu, an analyst at Gartner Group’s Dataquest, says, "Most people who want digital content want it immediately, I don’t know if this model would satisfy their immediate need. Even authors may not find that Web distribution of their works is going to bring them a pot of gold. For one thing, it could undermine sales rather than enhance them. For another, anybody could e-mail downloaded copies of manuscripts around town or around the world over the Net without the writer’s ever seeing a proverbial dime. " Softlock. com, Authentica and Fatbrain are trying to head this problem off by developing encryption padlocks that would allow only one hard drive to receive and print the manuscripts. For now, the problem persists.

According to the passage, which of the following is NOT true()

A. Most books sold by Fathrain are technical ones

B. E-publishing will probably not replace the traditional publishing

C. E-publishing companies have the techniques to prevent documents being spread freely on-line

D. Many authors are quite interested in the new form of publishing

考点:海关报关员考试西医综合西医综合
题型:单项选择题

人与人交往中,你认为哪些品质最受欢迎:[ ]

A.幽默、自信,喜欢表现自己、炫耀自己

B.目光短浅,胆小怕事

C.理解、体贴他人,对人热情、有礼貌

D.理智、开朗、贪婪、不真诚

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将发芽率相同的甲、乙两种植物的种子,分别利在含有不同浓度(质量分数)钠盐的全营养液中,并用珍珠砂通气、吸水和固定种子。种子萌发一段时间后,测定幼苗平均重量,结果如下图。请据图回答问题:

(1)甲、乙两种植物相比,更适宜在盐碱地种植的是___________。

(2)导致甲种植物的种子不能萌发的最低钠盐浓度为___________%。

(3)在钠盐浓度为0.2%的全营养液中,甲,乙两种植物根尖细胞吸收矿质元素的方式均为__________。

(4)将钠盐浓度为0.1%的全营养液中的甲植物幼苗,移载到钠盐浓度为0.8%的全营养液中,其根尖发成熟区表皮细胞逐渐表现出质壁分离现象,原因是___________。

(5)取若干生长状况相同并能够进行光合作用的乙种植物的幼苗,平均分成A、B两组。A组移载到钠盐浓度为0.8%的全营养液中,B组移载到钠盐浓度为1.0%的全营养液中,在相同条件下,给予适宜的光照。培养一段时间后,A组幼苗长势将___________B组。从物质转化角度分析,其原因是___________。

(6)通过细胞工程技术,利用甲、乙两种植物的各自优势,培育高产、耐盐的杂种植株。请完善下列实验流程并回答问题:

①.A是_________酶。B是___________。C是具有_________性状的幼芽。

②.若目的植株丢失1条染色体,不能产生正常配子而高度不育,则可用__________(试剂)处理幼芽,以获得可育的植株

题型:单项选择题

建设项目试生产期间,( )应当对环境保护设施运行情况和建设项目对环境的影响进行监测。

A.施工单位

B.设计单位

C.监理单位

D.建设单位

题型:单项选择题

腹部揉面感最多见于

A.胃穿孔
B.腹腔内出血
C.急性弥漫性腹膜炎
D.结核性腹膜炎
E.急性阑尾炎

题型:单项选择题

弯曲时回弹量主要与r/t(r-弯曲半径,t-钣料厚度)的比值和材料的()性能有关。

A、工艺

B、物理

C、化学

D、力学

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