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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。 与世界互联网普及率相比，下列说法正确的是( )。
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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.
孙某因犯数罪被人民法院依法判处有期徒刑20年，服刑12年后被假释。在假释考验期的第7年，孙某抢夺一辆汽车而未被发现。假释考验期满后的第4年，孙某因故意伤害而被逮捕，交代了自己在假释考验期限内抢夺汽车的行为。 根据上述案情，请回答： 关于假释的考验期，下列说法正确的是( )。
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梅兰芳不像绝大多数因媒体包装而走红的明星那样瞬间就被人们忘却，他并不是因《一缕麻》、《牢狱鸳鸯》之类的新编剧目获得观众爱戴，而是由于在《贵妃醉酒》、《霸王别姬》、《汾河湾》这些传统戏的表演中，既恪守规矩，又能超越前人。虽因大众媒体的鼓动，经历过一段除旧布新的喧嚣时光，终因回归传统风范而成为一代宗师。 这段文字主要说明( )。
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