Unit 3 The environment and us Lesson 18 课件(共19张PPT)

课件19张PPT。UNIT 3THE ENVIRONMENT AND USLESSON 18Let’s learn…Reuse and recycle We throw a lot of trash everyday and make our environment dirty.People get ill in a dirty environment.Animals and plants cannot live in a dirty environment.Most trash comes from our home.We can keep our environment clean by throwing away fewer things.One way to throw away fewer things is to reuse them.We do not throw away our old things.We give our books to students at a lower grade.We give our old clothes to old children.Another way to throw away fewer things is to recycle.We put bottles and other things in the right places. Then we recycle them and reuse them again.What do you learn from this story?Talk with your friends.Game Time!记忆大比拼！老师将单词卡片按照随意
顺序摆好，学生记忆，
之后老师随意打
乱顺序，学生根
据记忆将单词还原。Homework1.Remember these new words.
2.Read the dialogue to your parents. Thank You!