未知题型

本部分包括表达与理解两方面的内容。请根据题目要求，在四个选项中选出一个最恰当的答案。
请开始答题：
1．我国互联网正从信息传播和娱乐消费为主向商务服务领域，电子商务迅速发展，互联网开始逐步深入到国民经济的更深层次和更宽领域，这对于我国互联网消费结构，促进经济发展模式转变具有积极意义，同时也对网络诚信建设提出了更高要求。
填入划横线部分最恰当的一项是：
A.延伸优化
B.转移完善
C.渗透构建
D.拓展巩固

【参考答案】

A
解析：结合句意可知，第一空所填词应与“互联网开始逐步深入到国民经济的更深层次和更宽领域”相呼应，由此可排除B......

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Medicine Award Kicks off Nobel PrizeAnnouncements Two scientists who have wonpraise for research into the growth of cancer cells could be candi-dates forthe Nobel Prize in medicine when the 2008 winners are presented on Monday,kicking off six days Nobel announcements. Australian-born U. S. citizenElizabeth Blackburn and American Carol Greider have already won a series ofmedical honors for their enzyme research and experts say they could be amongthe front-run-ners for Nobel. Only seven women have wonthe medicine prize since the first Nobel Prizes were handed out in 1901. Thelast female winner wasU. S.researcher Linda Buck in 2004, who shared the prize with Richard Axel. Among the pairs possiblerivals are Frenchman Pierre Chambon and Americans Ronald Evans and ElwoodJensen, who opened up the field of studying proteins called nuclear hormonereceptors. As usual, the awardcommittee is giving no hints about who is in the running before presenting itsdecision in a news conference at StockholmsKarolinska Institute. Alfred Nobel, the Swede who invented dynamite,established the prizes in his will in the catego- ries of medicine, physics,chemistry, literature and peace. The economics prize is technically not a No-bel but a 1968 creation ofSwedenscentral bank. Nobel left few instructions on how to selectwinners, but medicine winners are typically awarded for a specific breakthroughrather than a body of research. Hans Jornvall, secretary ofthe medicine prize committee, said the lo million kronor (US $ 1. 3 million)prize encourages groundbreaking research but he did not think winning it wasthe primary goal for scientists. "Individual researchersprobably dont look at themselves as potential Nobel Prize winners when theyre at work," Jornvall told The Associated Press. "They get theirkicks from their research and their interest in how life functions. " In 2006, Blackburn, of the University of California,San Francisco, and Greider, of Johns Hop- kins Universityin Baltimore, shared the Lasker prize for basicmedical research with Jack Szostak of Harvard Medical School. Their work setthe stage for research suggesting that cancer cells use telom- erase to sustaintheir uncontrolled growth. Who is Not a likely candidate for this years Nobel Prize in medicine?A.Elizabeth BlackburnB.Carol GreiderC.Linda BuckD.Pierre Chambon

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