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③ Trees and other plants are important to people.
④ The trees and plants take energy from the sun and turn it into food.
⑤ Medicine and clothing are also made from trees and plants.
⑥ Plants also make everything look beautiful.
Ⅱ.能力目标：
Master the words and phrases.
Students can introduce the importance of plants.
Ⅲ.情感目标：
Make the Ss know the importance of plants and protect them.
【教材分析】
本课主要涉及介绍植物的重要性。在授课之前先让学生自谈植物的用途；课上可让学生通过小组合作的形式相互交流。在此基础上，教师通过幻灯片、图片向学生展示植物的重要作用，并让学生用英语描述。
【教学方法】：小组合作探究法、情景交际法
【教学用具】：录音机、图片
【教学时长】：40分钟
【教学过程】：
Step 1. Warning-up.
Review.
Preview check.
Step 2. Discussion.
Ask the Ss to discuss the questions in “Think About It!”
Let some of them show their ideas.
Step3: Listening.
Listen to the tape and answer the questions.
Q1:What are Danny, Jerry and Brain doing?
Q2:Why do we need trees?
Step4.Reading.
Read the text after the tape, then read in groups.
Finish Ex.1 in “Let’s Do It!”
Step 5.Presentation.
Group work:Get the students discuss the important sentences and phrases in groups.