A: Excuse me.   小题1: 

B: Sure.   小题2:  

A: Oh, could you tell me how to get to the bank?

B: Sorry. You'd better ask that policeman. He may know.

A: Excuse me.    小题3: 

C; Yes. Go straight and turn right.    小题4: 

A; Thank you.

C:     小题5: 

环氧精制系统压力达到（）Mpa进行气密。

A、0.1

B、0.15

C、0.2

D、0.25