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贾女士：“如果外星人访问过地球，那么，他们肯定是为了寻找能和他们交流的智能动物。但从来没有我们人类和外星人交往的记录。因此可以断定，从来没有外星人访问过我们这个星球。” 陈先生：“或许他们不认为人类具有智能。” 以下哪一项是对陈先生的反应的最恰当评价
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Questions 5 to 7 are based on the following passage.5-7On Jan. 13, 1999, American basketball super-star Michael Jordan announced his retirement from the National Basketball Association (NBA). Speaking before a large crowd of journalists at the United Center in Chicago, Jordan stated that his decision to retire had been prompted by a feeling that he had no more challenges to overcome in the world of professional basketball. The 35-year-old Michael Jordan, who led the Bulls to their sixth championship in eight years during the 1997-98 season, also emphasised that he wished to retire while "knowing that he could still play the game". In announcing his retirement, Jordan officially brought an end to his unparalleled 13-year career in the NBA. How long did Michael Jordan play in the NBA（）
Sport is not only physically challenging, but it can also be mentally challenging. Criticism from coaches, parents, and other teammates, as well as pressure to win can create an excessive amount of anxiety or stress for young athletes. Stress can be physical, emotional, or psychological, and research has indicated that it can lead to burnout. Burnout has been described as dropping or quitting of an activity that was at one time enjoyable.The early years of development are critical years for learning about oneself. The sport setting is one where valuable experiences can take place. Young athletes can, for example, learn how to cooperate with others, make friends, and gain other social skills that will be used throughout their lives. Coaches and parents should be aware, at all times, that their feedback to youngsters can greatly affect their children. Youngsters may take their parents’ and coaches’ criticisms to heart and find flaws (缺陷) in themselves.Coaches and parents should also be careful that youth sport participation does not become work for children. The outcome of the game should not be more important than the process of learning the sport and other life lessons. In today’ s youth sport setting, young athletes may be worrying more about who will win instead of enjoying themselves and the sport. Following a game, many parents and coaches focus on the outcome and find fault with youngsters’ performances. Positive reinforcement should be provided regardless of the outcome. Research indicates that positive reinforcement motivates and has a greater influence on learning than criticism. Again, criticism can create high levels of stress, which can lead to burnout. According to the passage sport is positive for young people in that（）
Sport is not only physically challenging, but it can also be mentally challenging. Criticism from coaches, parents, and other teammates, as well as pressure to win can create an excessive amount of anxiety or stress for young athletes. Stress can be physical, emotional, or psychological, and research has indicated that it can lead to burnout. Burnout has been described as dropping or quitting of an activity that was at one time enjoyable.The early years of development are critical years for learning about oneself. The sport setting is one where valuable experiences can take place. Young athletes can, for example, learn how to cooperate with others, make friends, and gain other social skills that will be used throughout their lives. Coaches and parents should be aware, at all times, that their feedback to youngsters can greatly affect their children. Youngsters may take their parents’ and coaches’ criticisms to heart and find flaws (缺陷) in themselves.Coaches and parents should also be careful that youth sport participation does not become work for children. The outcome of the game should not be more important than the process of learning the sport and other life lessons. In today’ s youth sport setting, young athletes may be worrying more about who will win instead of enjoying themselves and the sport. Following a game, many parents and coaches focus on the outcome and find fault with youngsters’ performances. Positive reinforcement should be provided regardless of the outcome. Research indicates that positive reinforcement motivates and has a greater influence on learning than criticism. Again, criticism can create high levels of stress, which can lead to burnout. Many coaches and parents are in the habit of criticizing young athletes（）
根据材料，回答下面问题 据初步测算，2006年广东完成生产总值25968.55亿元，比上年增长14.1%，经济总量继续列全国第一位置。其中，第一产业增长3.8%，第二产业增长16.9%，第三产业增长12.2%。与此同时，鲁、苏、浙、沪也稳定协调发展，其中山东、江苏赶超步伐不减，增速分别高广东0.6个和 0.8个百分点。山东完成生产总值21846.71亿元，增长14.7%；江苏完成生产总值21548.36亿元，增长14.9%；浙江生产总值为15649亿元，增长13.6%，分别列全国第二到第四位；上海完成生产总值10297亿元，增长12.0%。在四省一市中，广东经济增长速度居中间。 广东规模以上工业完成增加值10718.57亿元，低于山东工业增加值(11122.76亿元)，高于江苏工业增加值(10015.12亿元)，鲁、粤、苏分列前三位。浙江工业增加值5655.05亿元，上海工业增加值4456.04亿元。广东工业增长18.3%，增速低于山东(23.6%)、江苏(21.4%)和浙江 (17.1%)，高于上海(13.4%)。 广东工业经济效益有所提高，规模以上工业实现利润1958.34亿元，增长24.8%；山东实现利润2633.97亿元，增长21.7%；江苏实现利润1901.83亿元，增长37.4%；浙江实现利润 1324.55亿元，增长20.6%；上海实现利润1086.7亿元，增长15.7%。 广东固定资产投资稳定增长，完成全社会固定资产投资8116.89亿元，增长16.7%；其中，城镇以上固定资产投资6552.58亿元，增长11.2%。山东城镇以上固定资产投资8714.86亿元，增长19.8%。江苏城镇以上固定资产投资7473.69亿元，增长20.2%。浙江城镇以上固定资产投资5428.03亿元，增长13.4%，上海城镇以上固定资产投资总额3497.48亿元，增长9.8%。广东城镇以上固定资产投资落后于江苏和山东，列总量第三位。 广东房地产开发投资保持理性，全年完成房地产开发投资1834.34亿元，增长22.4%。江苏房地产投资1901.01亿元，增长23.0%。山东房地产开发投资1178.71亿元，增长21.0%。浙江房地产开发投资1572.79亿元，增长8.0%。上海房地产开发投资1275.59亿元，增长2.3%。广东房地产开发投资总量低于江苏，增速较高。 2006年广东省工业产值增速排在第( )位
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