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根据以下资料，回答下列问题。地区 2007年度 2008年度财政收入(万元) 房地产开发企业施工房屋面积(万平方米) 财政收入(万元) 房地产开发企业施工房屋面积(万平方米) 上海 20744792 10767 23587464 10784 山东 16753980 15165 19570541 20099 湖南 6065508 8162 72271 22 10716 吉林 3206892 4370 4227961 4965 新疆 2856600 2054 3610616 2639 天津 5404390 4837 6756186 5704 云南 4867146 4302 6140518 5368 2007年度上海的财政收入约是新疆的( )倍。

A. 7.3
B. 7.6
C. 7.9
D. 8.1

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《学记》指出，“时教必有正业，退息必有居学”，说明古代学校既有正课学习，又有（）。

The night is not what it was. Once, the Earth was cast half in shadow. Then came fire, candle, and light bulb, gradually drawing back the curtain of darkness. But a brighter world has its drawbacks.An estimated 30 percent of outdoor lighting--plus even some indoor lighting--is wasted. Inefficient lighting costs U. S. about ＄10.4 billion a year, according to Bob Gent of the International Dark-Sky Association, a nonprofit that aims to control light pollution.Last year in Sydney, an estimated 2.2 million Australians switched off their lights during "Earth Hour", briefly reducing that city’s energy use by more than 10 percent. Motivated by such trends, more than two dozen cities worldwide went dim on March 29 this year in an hour-long demonstration.A number of groups are trying to measure light pollution and assess its effects on the environment in the hope that people will reduce their own contribution to the problem. Scientists aye trying to report how many stars we can see. In dark rural areas, about 2,000 stars are typically visible at night, compared with "maybe five" in a bright city square--and about 5,000 in centuries past.People who are working while others are star-gazing may face the greatest risks. Nighttime exposure to white light can cause the growth of tumors (肿瘤), experiments show. Two decades of research indicate that women who work night shifts have unusually high rates of breast cancer. The word "drawbacks" in the first paragraph probably means （）

A. benefits
B. interests
C. effects
D. problems

简答题对零售企业而言，在线零售的优势有哪些？

请分析“尝”“吞下”和“咀嚼消化”等动词在本文中的实际含义。