题型:名词解释 阅读理解. Ai Fukuhara (福原爱),the Japanese table tennis star, was born on Nov.11, 1988. She started playing ping-pong when she was three. At that time, she was too small. She couldn't see over the tabletop (桌面). She had to stand on boxes to play against adults (成人) in exhibition (展览) matches. Now she is a very famous player. But she still works very hard and she practices for five hours a day during the week after morning school lessons and eight hours a day at the weekend. In May 2003, Fukuhara made the quarterfinals (四分之一决赛) of the World Championships. At the age of 15, she was the youngest player for Japan at the 2004 Olympic Games. She joined the Liaoning Club in 2005."I hope I can l earn from my Chinese teammates and improve (改善) my preparation for the 2008 Olympics."said Ai Fukuhara. NameAi FukuharaBirthdayNov.11, 1988Nationality1._______Jobping-pong player Careerjoined 2.___________________ in 2003joined 3.___________________ in 2004joined 4.___________________ in 2005Words or phrases to describe her5. ___________________ 查看答案
题型:名词解释 下列各项反应的化学方程式、反应现象及反应类型均正确的是[ ] 化学反应 化学方程式 反应现象 反应类型 A.用盐酸除铁锈 Fe2O3+4HCl===2FeCl2+H2O 置换反应 B.水通电分解 2H2O2H2+O2↑ 产生气体 分解反应 C.铁丝在氧气中燃烧 3Fe+2O2Fe3O4 化合反应 D.碳还原氧化铜 2CuO + C==2Cu + CO2↑ 黑色粉末变红 复分解反应 查看答案
题型:名词解释 如右图所示,夹子开始处于关闭状态,将液体A滴入试管②与气体B充分反应,打开夹子,可发现试管①内的水立刻沸腾了.则液体A和气体B的组合可能是下列的( )A.氢氧化钠溶液、二氧化碳B.矿泉水、氮气C.酒精、氧气D.水、一氧化碳 查看答案
题型:名词解释 关于有限理性模型的说法,错误的是()。A.在选择备选方案时,决策者试图使自己满意B.决策者所认知的世界是真实世界的简化模型C.有限理性模型中的理性受到了一定限制D.有限理性模型与经济理性模型存在质的差异 查看答案