单项选择题 甲、乙二人同在市场销售服装，收摊时乙的一箱衬衣不小心混入了甲的衣物内，甲不知，将衬衣带回家中，甲的行为属于（）。

多项选择题 下列有关科学发展观的理解，阐述错误的是（）。

单项选择题 Speaker A:Good to see you. You look more fit and better. Speaker B:_________A．Thanks. I had a lot of exercise and drank vegetable juice every day.B．Sorry. I don't think I am more fit. Actually, I caught a bad cold.C．Yes. I'm much more fit. And you?D．I'm glad to see you too, though I'm not much better that ever before.