情景交际。
A: Hi, Jane. Would you like to help save the environment?
B: I’d like to.  
A: Well, first, you can start by turning off the lights when you leave a room.
B: Yes. That’s easy.     What’s next?
A: Second, you can ride a bicycle. Don’t take a bus or a taxi if you don’t have to.
B:    What else?
A: Third, try to recycle paper.
B: Mmm. Newspapers, magazines, we have a lot of paper at home. Good idea.
A: The fourth idea is to turn off the shower when you’re not using it.
B:  
A: Yes. Get wet, turn off the shower, put the shampoo (洗发剂) in your hair and then turn on the shower and wash it out.
B: Yes,    We have to save water.

A.But what can I do for you? B.I think water is very important to us. C.You mean when I have shampoo in my hair? D.But what can I do? E.That will save a lot of money, too. F.Take a bag when you go shopping. G.Sometimes I turn off the lights without thinking.