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60年来特别是改革开放30年来，中国取得了举世瞩目的发展成就，经济实力和综合国力显著增强，各项社会事业全面进步，人民生活从温饱不足发展到总体小康，中国社会迸发出前所未有的活力和创造力。
同时，我们清醒地认识到，中国仍然是世界上最大的发展中国家，中国在发展进程中遇到的矛盾和问题无论规模还是复杂性都是世所罕见。要全面建成惠及十几亿人口的更高水平的小康社会，进而基本实现现代化、实现全体人民共同富裕，还有很长的路要走。
我们将继续从本国国情出发，坚持中国特色社会主义道路，坚持改革开放，推动科学发展，促进社会和谐，全面推进经济建设、政治建设、文化建设、社会建设以及生态文明建设，全力做到发展为了人民、发展依靠人民、发展成果由人民共享。

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大学生卖猪肉与传统就业观念不符合，引发了大的争论，需要我们改变就业观念。请你以学校就业座谈会发言人的身份，进行一场简短的演讲，时间三分钟，题目为“行行出状元”。

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请以“知与行”为主题发表一个演讲。

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15 . In 1985 a consumer agency concluded that Xylo brand bicycles are safer to ride than are Zenon brand bicycles. The agency based the conclusion on the ratio of the number of rider injuries to the number of riding hours for each brand of bicycle from 1981 through 19Yet for identically designed bicycles manufactured since 1985, the number of rider injuries has been twice as great among riders of Xylos as among riders of Zenons. Therefore, the agencys conclusion would have been different for the period since 19Which of the following is an assumption that, if true, supports the claim that the agencys conclusion would have been different for the period since 1985？

A. For the period since 1985, the number of riding hours for Zenons totaled at least half the number of riding hours for Xylos.
B. Of all the bicycles ridden in the period since 1985, the percentage of Xylos ridden was twice the percentage of Zenons ridden.
C. Prior to 1985, Zenon owners were more likely than Xylo owners to report the injuries they sustained while riding their bicycles.
D. In 1985 the agency had miscalculated the ratio for Xylos, for Zenons, or for both.
E. Soon after the agency had issued its report, consumer demand for Xylos increased more rapidly than did consumer demand for Zenons.

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In Greenland, Ice and Instability
by Andrew C. Revkin, excerpt from The New York Times January 8, 2008
The ancient frozen dome cloaking Greenland is so vast that pilots have crashed into what they thought was a cloud bank spanning the horizon. Flying over it, you can scarcely imagine that it could erode fast enough to dangerously raise sea levels any time soon.
Along the flanks in spring and summer, however, the picture is very different. For an increasing number of warm years, a network of blue lakes and rivulets of melt-water has been spreading ever higher on the icecap.
The melting surface darkens, absorbing up to four times as much energy from the sun as snow, which reflects sunlight. Natural drainpipes called moulins carry water from the surface into the depths, in some places reaching bedrock.
The process slightly, but measurably, lubricates and accelerates the grinding passage of ice towards the sea.
Most important, many glaciologists say, is the break-up of huge semi-submerged clots of ice where some large Greenland glaciers, particularly along the west coast, squeeze through fiords as they meet the warming ocean. As these passages have cleared, this has sharply accelerated the flow of many of these creeping, corrugated and frozen rivers.
Some glaciologists fear that the rise in seas in a warming world could be much greater than the upper estimate of about 60 centimetres this century made by the Intergovernmental Panel on Climate Change last year. (Seas rose less than 30 centimetres last century.)
The panel&39;s assessment did not include factors known to contribute to ice flows but not understood well enough to estimate with confidence. SCIENTIFIC scramble is under way to clarify whether the erosion of the world&39;s most vulnerable ice sheets, in Greenland and west Antarctica, can continue to accelerate. The effort involves field and satellite analyses and sifting for clues from past warm periods.
Things are definitely far more serious than anyone would have thought five years ago.

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