题目

听下面一段较长对话，回答以下小题。【1】What’s the woman’s impression of the man’s apartment?A. It’s clean and tidy. B. It’s in a mess. C. It’s small but comfortable.【2】What’s the woman’s advice for the man’s problem?A. Turn to his parents. B. Go to the laundry. C. Go to a restaurant.【3】What will the speakers do after the conversation?A. Eat in a restaurant. B. Go to the cinema. C. Go to a concert.如图所示，用恒力F拉着质量为m的物体沿水平面从A移到B的过程中，下列说法正确的是（　　）A．有摩擦力时比无摩擦力时F做的功多B．有摩擦力时与无摩擦力时F做的功少C．物体加速运动时F做的功比减速运动时F做的功多D．物体无论是加速、减速还是匀速，力F做的功一样多