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1、,Lesson:7 Planting trees,When is Tree Planting Day in China?,Think about it,Its march 12. People plant many trees on Tree Planting Day in China.,New words,hole /hul/ n 洞 large /la:d/ adj 大的，巨大的 root / ru:t / n 根 seedling /si:dli / n 幼苗，秧苗 cover /kv/ v 覆盖， n 盖子 fill /fil / v 充满；装满， dirt /d:t/ n 泥土；污物
2、 pack / pk/ v 压实；堆积 dust /dst/ n 沙尘；尘土；灰尘 storm /st:m / n 暴风雨 dirty / d:ti / adj 不干净的；肮脏的 northern /n:n/ adj 北方的；北部的 bottom /btm / n 底部；最下部,Read and Find some phrases:,1.基本步骤 2.植树节 3.顺便说一下 4.足够大 5.变成 6.沙尘暴 7.用 . 覆盖 8. 用 装满 9.在 底部,basic steps,Tree Planting Day,by the way,large enough,turn into,dust s
3、torm,coverwith,fillwith,in the bottom of,Read and answer,1.What are the basic steps for planting a tree? 2.Why should we plant trees? 3.What should we do to protect our environment?,1.What are the basic steps for planting a tree? Dig a hole big enough to hold the roots of the seeding Put the roots o
4、f the seeding into the hole. Cover the roots and fill the hole with the dirt. Pack the dirt around the tree with your feet. Put a little water in the bottom of the hole.,2.Why should we plant trees?,Many people are worried because the environment is changing, and they want to do something to help.Wh
5、en there is a dust storm in spring,it gets windy and dirty everywhere.The wind blows dirt and the sand here from the north. nothing can stop the wind because there are not many trees left.A lot of rich lands in the northern area have turned into desert.,3.What should we do to protect our environment
6、?,Tree planting is very important work. Its a great way to learn about nature. Its fun and important to plant plants.,Language points,1. Is it big enough?eg. money enough, enough money.eg .big enough, strong enough,large enougheg.The boy is old enough to go to school. 2. Cover the roots and fill the
7、 hole with dirt.eg.Cover the desk with tablecloth.eg.Dust cover the desk The desk is covered with dust. 3.Its also a great way to learn about nature. 4.Its fun and important to plant plants.,.,Homework,writing:Planting Trees .why should we plant trees? .How to plant trees? .Protect environment,Thank you,
