完成对话，从方框中选择正确选项（其中有一个选项与对话内容无关）
| A. What do you want to be when you grow up? B. It depends on（取决于）whether you are facing the sun or not. C. She is the first Chinese woman to walk in space. D. How are astronauts going to work in the space station? E. Because the environment in space is seriously terrible. F. When astronauts go out into space to work, what can they do to protect（保护）themselves? |
A:
B: I want to be an astronaut like Wang Yaping. Do you know her?
A: Of course. It's really cool to walk in space, isn't it?
B: Yes, it is. But it is dangerous, too.
A: Why is it dangerous?
B: For example, the weather is bad.
A: Is it very cold in space?
B: If an astronaut's back is facing the sun and the front is not, the temperature difference can be as much as 135℃.
A: Sounds so scary.
B: They have to wear spacesuits（太空服）. They can protect them from bad weather, radiation（辐射）and so on in space. A spacesuit is like a small spaceship. A: How amazing it is!
B. 
C. 
E. 
