补全对话。（5%）

A: Hi, Tina. How was your vacation?

B:        小题1:            .

A: Did you go to the zoo?

B:       小题2:            . But I went to the aquarium.

A:       小题3:             ?

B: No, there weren’t any sharks, but there were some really clever seals.

A:         小题4:             . What else did you do?

B: Well,       小题5:              .

注入物所占的底下体积与采出物（油、气、水）所占的地下体积之比叫（）

A.采油比

B.注采比

C.注入比

D.采出比