As to how to choose her selective course, an American student Mary( M) is asking her classmate Li Ping ( L ) foe advice.
M: Li Ping, I’m going to take Chinese History as my selective course.   1  
L: That’s great!   2  Why do you want to choose that course?
M: Oh, after I read some books about Chinese history in the library, I find Chinese history very attractive.
L:  3  People can learn a lot from history.
M: Absolutely.