课件18张PPT。UNIT THREE 
HOW DO SEEDS TRAVEL
 Lesson 9Let's read!Come from v.来自某处;They came from all parts of the country.
他们来自全国各地。Make use of v.使用,利用;We also train them to 
make use of reference books. 
我们还培养他们使用参考书。Let's think!Why do we celebrate Tree- planting day?Let's listen and answer!What are they talking about?How can we make use of trees?food that come from treesWe build things with 
the wood from trees.Let's role play!How can we make use of trees?We build things with 
the wood from trees.We eat the food from trees.Can you name some things 
that come from trees?Sure, apples, peaches, nuts 
and many other fruits 
come from trees.Homework种一棵树
完成对话操练The end 谢谢 本次课程到此结束