牛津深圳版七年級下冊Module 2 Man's best friends Unit 4 Save the trees.(Reading)課件(共19張PPT)

1、Unit3 Unit 4 ?Module 2 Mans best friendsAnimals are humans best friends.Plants: treesBesides animals, plants are also humans best friends.AnimalsTrees are our friends.treesTrees are important in our daily life.Trees play an important role in our daily life.treesTrees are so important. But how much d

2、o you know about them?seed Its hard to grow up. So we must treasure our lives. Most importantly, we must say “Thank you and I love you.” to those who take good care of us and love us. Which part of trees do you know?branchesrootsleaves(leaf)stem/trunkgrowth ringsuseful & helpful Trees are very usefu

3、l and helpful.They help us in many ways.Trees can make the world more beautiful and green.What do trees do for us ? Trees provide us with fruit.=Trees provide fruit for us.=We can get fruit from trees.FruitWe can also get oil and tea from some special trees.What do trees do for us ?Leaves provide sh

4、ade for people. They can keep us cool. LeavesWhat do trees do for us ?They are major fighters against air pollution. LeavesThey help fight against air pollution.Most importantly, they can make the air fresh and clean.How do they fight against air pollution?oxygen for us to breatheproducetake inharmf

5、ul Leaves can change harmful gas into oxygen,so they can makethe air fresh and clean.gasWhat do trees do for us ?Branches provide home for animals such as birds. branchesBranches are home to animals such as birds.What do trees do for us ?Roots 1. Roots can take in water from the soil. 2. Roots can p

6、revent the soil from being washed away.Trees make our lives more convenient.woodchopstickspaperpencilsfurnitureHowever, trees are disappearingcut down millions of treesCan you imagine a world without trees?Its time for us to take action to save the trees! 1. We must stop people from cutting down trees. 2. We should plant more trees to make the Earth greene