题目内容
截至2007年12月，网民数已达到2.1亿人，比2007年6月增加4800万人，2007年一年增加了7300万，年增长率53.3%。一年中平均每天增加网民20万人。目前，中国的网民人数略低于美国的2.15亿，位于世界第二位；中国16%的互联网普及率仍比全球平均水平19.1%低3.1%个百分点。从地域上看，北京和上海的互联网普及率较高，已经分别达到46.6%和45.8%；从增量上看，广东由于手机网民数增长的拉动，增长人数最多，一年内共增加了1500万网民。2007年农村网民规模年增长率超过100%，达到127.7%，农村网民数量达到5262万人。7300万新增网民中的4成，即2917万来自农村。从网民住地上看，网民居住在城镇的较多，74.9%都居住在城镇，城镇网民数已达到1.57亿人，而同期农村网民数量仅有5262万人。但农村网民数量增长非常迅速，年增长率超过100%，已达到127.7%，远高于城镇网民38.2%的增长率。但城镇与农村的互联网发展水平仍存在很大差距，城镇居民的互联网普及率是27.3%，农村仅为7.1%。中国的宽带网民数量增长迅速。2007年12月的宽带网民数已经达到1.63亿，占网民总体的77.6%，比2007年6月增加了4094万人，比2006年12月的1.04亿增加了5938万人。 农村网民数量占全国网民的比例达到了（）
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空气中的粉尘是上班路上无法避免的“杀手”，在走路或骑车过程中，身体处于运动状态，毛孔张开，此时更容易让粉尘附着在脸上。如果清洁不彻底，毛孔会变得粗大，黑头也会逐渐明显。 最能准确复述这段话主要意思的是( )。
Large animals that inhabit the desert have evolved a number of adaptations for reducing the effects of extreme heat. (31) adaptation is to be light in color, and to (32) rather than absorb the sun’s rays. Desert mammals also depart from the normal mammalian practice of maintaining a (33) body temperature. (34) trying to keep down the body temperature deep inside the body, (35) would involve the expenditure of water and energy, desert mammals allow their temperatures to rise to what would normally be fever (36) , and temperatures as high as 46 degrees Celsius have been measured in gazelles (瞪羚羊). Another strategy (37) large desert animals is to tolerate the loss of body water to a point (38) would be fatal for non-adapted animals. The camel can lose up to 30 percent of its body weight (39) water without harm to itseff, (40) human beings die after losing only 12 to 13 percent oftheir body weight. An equally important adaptation is the ability to (41) this water loss (42) onedrink. Desert animals can drink prodigious volumes in a short time, and camels have been known to (43) over 100 liters in a few minutes. A very dehydrated person, (44) , cannot drink enoughwater to rehydrate at one (45) , because the human stomach is not sufficiently big and because a toorapid (46) of the body fluids causes death from water intoxication. The (47) of water loss is ofobvious advantage in the desert, as animals do not have to remain (48) a water hole but can obtain food from gazing sparse and far-flung pastures. Desert-adapted mammals have the (49) ability to feednormally when extremely dehydrated; it is a common experience in people that appetite is lost even (50) conditions of moderate thirst.
Joan of Arc would be proud. Edith Cresson, France’s first woman Prime Minister, has taken office with avow to lead the country into a battle whose outcome will be as fateful as any fought by the Maid of Orleans. "There’s a world economic war going on, and France is not waging it," Cresson warned last year. Now the combative Prime Minister is preparing an offensive to create jobs at home, win markets abroad and keep France in the economic fight. "We are confronted," she says, "with the need to build a balanced Europe, where France is as strong as Germany." Turning to Japan, she warns, "I don’t want hundreds of thousands of jobs to disappear, and to lose our technology and means of wealth." Fighting words at a time when the French, more than ever before, are obsessed with their ability to compete in the global marketplace. Despite illustrations of daring technological progress, such as the TGV and, earlier, the Concorde, "the French really have an industrial inferiority complex," says Paul Goldschmidt, head of Bain ＆ Co., a consulting firm in Paris. Whether that complex is deserved or not, the French see the powerhouse of a united Germany looming large in a Europe destined to become the world’s biggest single market in 1993.Glancing over their shoulders, they look at Italy advancing fast as an economic challenger, its industries quick to exploit market niche. Scanning the horizon, the French are aware of a U.S. reconquering lost export markets even as the Japanese continue their relentless drive for global economic pre-eminence. "We don’t want to end up the Mezzogiorno (意大利南部地区) of Europe," frets Cresson. There is little chance of that happening. The world’s fourth largest economy, with a gross national product of $956 billion, is far from becoming an also-ran. Its companies sell nuclear power plants to Asia, high-speed train systems to the U.S. and Europe, and battle-tested military hardware like the Exocet missile worldwide. French firms are engaged in the gamut of aerospace activity, from missiles for space probes to computerized cockpits for commercial aircraft. They are inventive as well as innovative, patenting, among other things, the radial tire and the hydraulic suspension that makes every Citroen a four-wheeled water bed. They are proud that a Renault-built Formula One car can beat out the seemingly unstoppable Honda-powered McLaren of Ayrton Senna in Grand Prix racing. They are equally pleased that Airbus Industries, the French-led European consortium is giving American companies a run for their money in the competition to sell civilian airlines. Still, Cresson ＆ Co. are right to be concerned. Behind the upbeat economic factors and the prestige of many French products loom some numbers that point to disturbing weaknesses in the economic fabric. French industry is good at many things but maddeningly incapable of deciding where to focus its efforts, thanks to what the daily Liberation describes as a touché-a-tout economy-finger in every pie. Thus there are few areas of real dominance, such as the Germans have in luxury cars and machine tools. Which of the following statements is correct about the competitors of France
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