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课件网) Unit 4 Save the trees Reading 牛津深圳版七年级下册 Trees are our friends. Trees are important in our daily life. In Unit 3 we talked about our friend: animals , in this Unit we are going to talk about man’s another friend: trees 1 课堂导入 Trees are so important. But how much do you know about them Can you say out the parts of the tree branches roots leaves(leaf) stem/trunk growth rings What do trees do for us Trees provide us with fruit. =Trees provide fruit for us. =We can get fruit from trees. Fruit, furniture We can also use trees to make many things such as: chopsticks, furniture, paper and so on. What do trees do for us Leaves provide shade for people. They can keep us cool. Leaves We can also get oil and tea from some special trees. What do trees do for us They are major fighters against air pollution. Leaves They help fight against air pollution. Most importantly, they can make the air fresh and clean. How do they fight against air pollution Leaves can change harmful gas into oxygen, so they can make the air fresh and clean. co2 O2 take in give out produce oxygen for us to breathe Trees can make the world more beautiful and green. What do trees do for us Branches provide home for animals such as birds. branches Branches are home to animals such as birds. Trees make our lives more convenient. wood chopsticks paper pencils furniture 2 课堂活动 A What do you know about… branch fruit leaf root fruit branch leaf root How much do you know about trees Try the short quiz below. 1 Write down the names of the parts of a tree. Use the words from the box to help you. a. They help fight against pollution. b. They provide us with wood, fruit, etc. c. They are home to birds and animals. d. All of the above. 2 What do trees do for us B Before you read Look at the pictures and the title of the interview on page 45. Then answer the questions below. 1 What do you think the interview is about a. The lives of trees. b. Why trees are important in our daily lives. 2 What can we make from trees Write down three examples. _____ _____ _____ paper pencils chairs Trees in our daily lives Rebecca wants to know more about trees and how they help us. She is interviewing Dr Jones about trees. Rebecca: How do trees help us, Dr Jones Dr Jones: They help us in many ways. They keep the air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe. They’re major fighters against air pollution. Rebecca: I know trees also make our lives more convenient. Many of the things in our daily lives come from trees. For example, paper and pencils. Read the first part of the conversation and answer the following question. Why are trees major fighters against air pollution They keep the air cool and clean. They take in harmful gases from the air. They produce oxygen for us to breathe. Dr Jones: You’re right, Rebecca. In fact, we get a lot more from trees. We get fruit and oil from t ... ...
