描写气体状态的基本参数除了温度，压强以外，还有（）。A．流量 B．重量 C．体积 D
题型：单项选择题
问题：
描写气体状态的基本参数除了温度，压强以外，还有（）。
A．流量
B．重量
C．体积
D．比容
题型：单项选择题
阅读理解
Ann is Sam's sister．She doesn't have children. She's only twenty-three.
And she 
doesn't live in Britain. She lives in Italy(意大利). She works in a travel agency(旅行社)in
Rome. She doesn't get up early. She goes to work at 10:00. She doesn't have breakfast. She has a
sandwich(汉堡)for lunch in a small restaurant(饭店). She goes home at 7:00. She likes her job because
it is very interesting. At weekends(周末)she visits her boyfriend, Robert. He lives in Florence.
根据短文内容，回答下列各题。．
1. How many people are there in Ann's family?
A. 3.
B. 4.
C. 5.
D. We don't know.
2. Rome is a ____ in Italy.
A. city
B. travel agency
C. factory
D. school
3. What does Ann have for breakfast?
A. Sandwich.
B. Bread and milk.
C. Nothing.
D. Rice and meat.
4. Do Ann and her boyfriend live in the same city?
A. Yes,they do.
B. No,they don't.
C. Ann lives in Rome.
D. Robert lives in Florence.
5. How many hours does she work every day ?
A. 7.
B. 8.
C. 9.
D. We don't know.
