补全对话（每题1分, 共计5分）

A：______小题1:_____

B：I’m not feeling well.

A：_____小题2:_____

B：About two days ago.

A：Oh! That’s too bad. Open your mouth and say “Ah”.

B：Ah.

A：Don’t worry. You just have a cold.

B：____小题3:____

A：Take this medicine three times a day, ____小题4:_____

B：_____小题5:______

A：You are welcome.

A．Thank you very much.

B．What’s wrong, young man?

C．You will feel better soon.

D．When did it start?E、What should I do?

肝脏经（）循环将有毒的氨转变成无毒的（），这一过程是在肝细胞的（）和（）中进行的。