纳米材料和纳米技术的应用涉及现代工业的各个领域。用纳米级的某种氧化物做催化剂,可

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问题:

纳米材料和纳米技术的应用涉及现代工业的各个领域。用纳米级的某种氧化物做催化剂,可以使汽车尾气中的CO和NO迅速反应转化为两种气体,其中一种是空气中含量最多的气体。请你写出该反应的化学方程式__________________。

考点:化学反应方程式的书写
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注册会计师通过执行审计工作对财务报表发表审计意见,注册会计师发表审计意见必须包含的内容有()

A、财务报表是否符合适用的会计准则和相关会计制度的规定

B、被审计单位是否存在重大的舞弊和违法行为

C、被审计单位是否具有持续经营的能力

D、财务报表是否在所有重大方面公允地反映被审计单位的财务状况、经营成果和现金流量

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下列食品中蛋白质生物学价值最高的是

A.鱼

B.鸡蛋

C.瘦猪肉

D.牛奶

E.豆制品

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轧机调整时,()考虑辊跳。

A.不准许

B.不应该

C.应该

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( )证券组合的投资者往往愿意通过延迟获得基本收益来求得未来收益的增长。

A.避税型
B.收入型
C.增长型
D.货币市场型

题型:填空题

Until the late 1940s, when television began finding its way into American homes, companies relied mainly on print and radio to promote their products and services. The advent of television (1) a revolution in product and service. Between 1949 and 1951, advertising on television grew 960 percent. Today the Internet is once again (2) promotion. By going online, companies can communicate instantly and directly with prospective customers. (3) on the World Wide Web includes advertising, sponsorships, and sales promotions (4) sweepstakes, contests, coupons, and rebates. In 1996 World Wide Web advertising revenues (5) $ 300 million.

Effective online marketers don’t (6) transfer hard-copy ads to cyberspace. (7) sites blend promotional and non-promotional information indirectly delivering the advertising messages. To (8) visits to their sites and to create and (9) customer loyalty, companies change information frequently and provide many opportunities for (10) .

A prototype for excellent (11) promotion is the Ragu Web site. Here visitors can find thirty-six pasta recipes, take Italian lessons, and view an Italian film festival, (12) they will find no traditional ads. (13) subtle is the mix of product and promotion that visitors hardly know an advertising message has been (14) . Sega of America, maker of computer games and hardware, uses its Web site for a (15) of different promotions, such as (16) new game characters to the public and supplying Web surfers the opportunity to (17) games. Sega’s home page averages 250,000 visits a day. To heighten interest in the site, Sega bought an advertising banner on Netscape (18) increasing site visits by 15 percent. Online (19) in Quaker Oats’ Gatorade promotion received a free T-shirt in exchange for answering a few questions. Quaker Oats reports that the online promotion created product (20) and helped the company know its customers better.

8()

A.encourage

B.frustrate

C.tempt

D.commit

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