读对话，回答问题。
Man: Hello.
John: Hello. Can I speak to Sarah, please?
Man: Hold on, please! She is watching TV.
Sarah: Hello. This is Sarah.
John: This is John. I'm a reporter for daily report. Can I ask you some questions?
Sarah: Sure!
John: Which season do you like best? Why?
Sarah: I like winter best. Because I can play with snow and skate.
John: That sounds good. I think your birthday is in November.
Sarah: No, my birthday is in August. My father's is in November.
John: I'm sorry. What is your family doing?
Sarah: My father is reading a newspaper. My mother is doing the dishes.
John: What about your grandparents?
Sarah: They are having a walk in the garden. And my pet cat is catching butterflies in the garden.
John: Great! Thank you!
Sarah: You're welcome!
1. Which season does Sarah like best? Why?
______________________________________________________________
2. Who has a birthday in November?
______________________________________________________________
3. What is Sarah's mother doing?
______________________________________________________________
4. Where are her grandparents?
______________________________________________________________
1. She likes winter best. Because she can play with snow and skate.
2. Sarah's father.
3. She is doing the dishes.
4. They are in the garden.
答案不唯一
110×8，A=3447.6mm2，在验算稳定性时，杆件应力与（）项值接近。