[外语类试卷]专业英语四级(完形填空)模拟试卷208及答案与解析.doc
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1、专业英语四级(完形填空)模拟试卷 208及答案与解析 一、 PART IV CLOZE Decide which of the words given in the box below would best complete the passage if inserted in the corresponding blanks. The words can be used ONCE ONLY. 0 AbenefitsIflourishing BcommissionsJsaddle CextravagantKinclination DsimilarLmounted EinaccessiblyMp
2、ioneered FrevenueNaccordingly GreluctantOharmonious Hmobilize Internet advertising is booming. The industry has gone from $ 9. 6 billion in【 C1】_in 2001 to $ 27 billion this year, according to Piper Jaffray, an investment bank. And it is still early days. The Internet accounts for only 5% of total s
3、pending on advertising, but that figure is expected to reach at least 20% in the next few years. The single largest category within this【 C2】 _industry, accounting for nearly half of all spending, is “pay-per-click“ advertising, which is used by firms both large and small to promote their wares. The
4、【 C3】 _of the pay-per-click approach over traditional advertising are obvious. Since advertisers pay only to reach the small subset who actually responds to art advertisement, the quality of the leads generated is very high, and advertisers are prepared to pay【 C4】 _. The price per click varies from
5、 $ 0.10 to as much as $ 30, depending on the keyword, though the average is around $ 0.50. Google made most of its $ 6.1 billion in revenue last year from pay-per-click advertising. But as pay-per-click advertising has grown into a huge industry, concern has【 C5】_over so-called “click fraud“ bogus(假
6、的 )clicks that do not come from genuinely interested customers. It takes two main forms. If you click repeatedly on the advertisements on your own website, or get other people or machines to do so on your behalf, you can generate a stream of bogus【 C6】 _. Click fraud can also be used by one company
7、against another: clicking on a rival firms advertisements can【 C7】_it with a huge bill. Bogus clicks are thought to account for around 10% of all click traffic, though nobody knows for sure. A few months ago Mr. Gross【 C8】 _an alternative to the pay-per-click model. In February, Snap, a search engin
8、e backed by Mr. Gross, launched “ pay-per-action“(PPA), a new model in which advertisers pay only if a click on an ad is followed by an action such as a purchase or a download. Google is testing a【 C9】 _model and Turn, com, another ad network, adopted the pay-per-action model a few weeks ago. Might
9、this put an end to click fraud? Dont bet on it, says Mike Zeman at Starcom, an advertising agency. Pay-per-action will be a niche, he predicts, since converting a click into an action depends on a variety of factors such as the ease of use of the advertisers website. Google and its peers will be【 C1
10、0】 _to be so dependent on factors outside their control. But Mr. Tobaccowala thinks pay-per-action could become a real alternative to pay-per-click. 1 【 C1】 2 【 C2】 3 【 C3】 4 【 C4】 5 【 C5】 6 【 C6】 7 【 C7】 8 【 C8】 9 【 C9】 10 【 C10】 10 AenormouslyIabolish BoccupyJrole CambiguousKunderrepresented Denro
11、lledLextraction EprofessionalMexcelling FparticipationNformulate GempiricallyOgrant Hevaluating When we started the Meyerhoff Scholars Program nearly 20 years ago, we faced a major challenge helping students of color achieve at the highest levels academically in science and engineering(S we have app
12、roximately 30 current scholars on campus. More than 5 percent of the programs nearly 50 graduates have completed undergraduate degrees in S&E fields, and nearly 90 percent of those graduates have gone on to S&E graduate and professional programs. Every month, at least one former Meyerhoff Scholar ea
13、rns a science-related Ph. D. To bring about the kinds of institutional changes needed to produce many more minority S&E graduates, academic leaders must willingly engage the campus community in wide-ranging conversations about minority【 C4】 _and performance. These conversations must be informed by i
14、nstitutional data on the performance of all students both high-achievers and underachievers and by【 C5】 _the effectiveness of instructional methods, including whether students have opportunities to engage in productive research with faculty mentors(导师 ). We have learned that it takes experienced res
15、earchers to produce aspiring researchers. UMBC faculty have thought long and hard about these issues, and the campus has benefited【 C6】 _from their experimentation, assessment, and analysis. By involving all parties in the process, we have gained the broad buy-in needed to achieve substantive, durab
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