“三个代表”是我们党的立党之本、执政之基、力量之源。( )
参考答案：对
— What about playing football this afternoon, Sam?
— I would rather at home than football. It’s too hot outside.
A．stay; play
B．stay; playing
C．to stay; to play
D．to stay; playing
参照卫生部颁发的《职业危害因素分类目录》，将危害因素分为( )类。
A．8 B．9C．10 D．11
