新生儿生理性黄疸的主要原因是()
A．喂奶较迟
B．胎便排出延迟
C．红细胞破坏增多
D．肠道内细菌过少
E．母婴血型不合
参考答案：C
The 29th Olympic Games, in Beijing in 2008, was a great success. [ ]
A. to play
B. played
C. playing
D. to be played
《国家中长期教育改革和发展规划纲要（2010-2012）》在教育体制改革和制度创新方面明确的六项任务是什么？
