青蒿鳖甲汤的主要功效为（）
A．利湿退黄
B．活血散瘀
C．清热泻火
D．泻下通腑
E．凉血止血
参考答案：A
Chinese President Hu Jintao had had _____ brief meeting with three astronauts who were going board _____
country's third manned spacecraft Shenzhou VII on Sept 25. 2008. [ ]
A. the; a
B. a; a
C. a; the
D. the ; the
普通齿轮变速器的润滑方式为（）。
A、压力润滑
B、飞溅润滑
C、润滑脂润滑
D、压力润滑和飞溅润滑同时进行
