补全对话

A: What does your father do?

B:  He is a police officer.

A: Do you want to have the same job as your father does?

B: Oh, yes.  Sometimes it's exciting.  1. ________

A: I'm going to be a bank clerk.

B: 2. ________A: I'm going to study math really hard.

B: Where are you going to work?

A:  3. ________Maybe China Bank, the famous bank in town.

B: Lisa, do you want to be a bank clerk, too?

C:  No,  not really.  4________ I love children very much.

B: 5. ________

与小桥相比，涵洞孔径计算有哪些特点？