原料液氨中重组分含量偏高将会导致（）。

A、氨蒸发器残液过多

B、催化剂烧结

C、氨烯比（氨比）偏低

D、氨烯比（氨比）偏高

根据所给情景完成对话，每空一词。

Kate: Excuse me.

Tom: Yes?

Kate: Could you tell me 1          the hospital is?

Tom: I can't understand you. Would you say it 2_____, please?

Kate: I'd like to 3___     which is the 4__      to the hospital.

Tom: Well, let me see. Go 5_____ this street then 6          left at the second

         crossing. Go on till you reach the end of the 7    _   , then you'll see it.

Kate: Is it far from here?

Tom: Yes, it is. You can 8           a bus. The bus 9       _ is just over there.

Kate: Thank you very much.

Tom: That's all 10 _    _.