【答案解析】[听力原文]6-7 M: You're not looking too good. Are you sure you are all right? W: It was a long flight. I'll be fine after a good night's sleep. M: You look very pale. W: These long flights are just so boring, and you just have to sit there in your seat without moving and you know I like to get as much exercise as possible. I'm sure I'll be back to normal tomorrow.