川楝子、槟榔皆具有的功效是（） A.杀虫、行气 B.杀虫、利水 C.行气、利水 D.

Tony：Hi, Joy. Would you like to help to save the environment?
Joy：  1  What can I do?
Tony：Well, first, you can start by turning off the lights.
Joy：Yes. That’s easy. Sometimes I turn on the lights without thinking. What’s next?
Tony：Second, listen.   2  Don’t take a bus or a taxi if you don’t have to.
Joy：That will save money, too.   3 
Tony：  4 
Joy：Mm, newspapers, magazines, mails … We get a lot of paper at home. Good idea.
Tony：And last, take a bag when you go shopping.   5 
Joy：OK. My parents do most of the shopping. I’ll tell them.

A. You can ride a bike. B. I don’t know. C. Don’t use plastic bags. D. What else? E. Try to recycle paper.