Welcome to the class !Li su yan hatcapscarfLeather coatjacketsweatershirtblouseskirtdresstrousersjeanstrainersbootsplastic bottles （n. 塑料 ）Made from plastic bottles By a designer (n. 设计师)unwanted （a. 不想要的 ）waste （n. 废弃物 ）environment （n. 环境）handbagpursewheel (n. 车轮)tyre (n. 轮胎)New words plastic n. 塑料 designer n. 设计师 waste n. 浪费，废弃物 unwanted adj. 不想要的，无人要的 environment n. 环境 handbag n. 手提包 purse n. 钱包 tyre n. 轮胎 wheel n. 车轮True or False exercise ：1、It isnt a good idea to use the old clothes again . （ ） 2、We may change the old clothes into other things . （ ） 3、We can make old jeans into a skirt . （ ） 4、Plastic isnt bad for the environment . （ ） 5、The clothes made from plastic arent comfortable or cheap . （ ） 6、The handbags and purses made from tyres are strong and very fashionable . （ ） TTTFFFAnswer the following questions : 1、How can we use our old clothes again ?2、What is waste ?3、Why did Hailey and her friends want to make clothes from plastic ?4、What is good about the T-shirts made from plastic ?5、What does Ken use to make bags and purses ?6、What is good about the bags and purses ?We can give our old clothes to someone else , we can also change them into other things .Old , unwanted things are called waste .Because plastic is very bad for the environment .They are very comfortable and cheap , and they are not bad for the environment .They are very strong and fashionable .She uses tyres to make bags and purses .Useful expressions:1、It is a good idea to do sth.(use your old clothes) 做某事是一个好主意2、someone else 别的人，其他人3、change A into B (change them into other things) 将变成4、for example 比如，例如5、make A into B (make old jeans into a skirt) 将制成6、make A from B (make fashionable things from waste) 由制成7、many other old things 许多别的旧东西8、be called sth. 被叫做9、be bad/ good for 对有害/有利10、use A to do B (use plastic waste to make clothes) 用去做成11、wait for sb./sth. 等候某人/某物Fill in the blanks ：It is a _ idea to use your old clothes _ . There are many things you can do with your _ clothes . First , you may give your old clothes to _ else . You may also _ them into other things . For example , you can make old jeans into a _ or old shirts into a _ . We can also use many other old things to make _ clothes . Old , unwanted things are called _ . We asked two _ designers about how they make _ things from waste . This is _ they said .goodwhatfashionfashionablewastenewhandbagskirtchangesomeoneoldagainHave a discussion ：Can you think of other ways to use waste ? Discuss it in groups of four . Homework ：Write a short passage about How to protect our environment .Class is over ！Thank you ！