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掌握以下句型：
Dig a hole, put the seedling inside, cover the roots and fill the hole with dirt, pack the dirt, put a little water in the bottom of the hole.
When there is a dust storm, it gets windy and dirty everywhere.
Rich lands have turned into desert.
Planting trees is a great way to learn about nature.
4.情感态度:
⑴ 激发学生热爱劳动、多植树，保护地球的意识。
⑵ 激发学生学习英语的兴趣。
三、教学准备
多媒体、听力音频、彩纸
四、教学步骤
Step I Lead in
----What’s the weather like today?
----It’s…
----Do you like spring? Why or why not?
----Yes, I do./ No, I don’t. Because .....
----I don’t like spring, because in spring, there are often strong winds even dust storms.
Step II New concepts
Watch pictures and videos to show some of the new words and phrases :
Dust, storm, dirty, turn into
(设计思路：通过录像以形象直观的方式进入英语学习，教师要带领学生感受生存环境的变化，为引出植树做铺垫。)
2. Look at the pictures and learn the steps for planting trees and some new words and phrases: seedling, root, hole, large, cove, fill, dirt, pack, bottom; cover... with..., fill ... with...
（设计思路：通过图片让学生直观地感受植树的过程与步骤，并记忆学习本课重点单词或词组。）
Match the pictures with the steps for planting trees.
(设计思路：通过此环节让学生对植树步骤加深印象并记忆）
Retell the steps for planting trees according to the pictures.
(设计思路：复述植树步骤，纠正学生的发音，体现了从输入到输出的过程。）
Act and guess
Ask five students to act out the steps for planting trees. And then the others guess.
(设计思路：对所学知识进行运用，并提高学生学习英语的兴趣。）