小学英语清华大学版五年级下册Lesson 21教学设计

Unit 3 The Environment and Us

Lesson 21

【教学目标】

1．To learn to describe animals and plants in English.

2．To revise the words and sentence patterns learned in this unit.

【教学重难点】

1．To learn to describe animals and plants in English.

2．To revise the words and sentence patterns learned in this unit.

【教学过程】

一、新知学习

1．Listen, look and say. Fill in the missing letters in the Exercise 1.

For example:

penguin      animal     panda

2．Match the opposites in the Exercise 2.

For example:

dry     dirty     bad

good     wet     clean

3．Finish the sentences with the words from the word box in the Exercise 3.

For example:

Trash in the water can kill fish.

4．Look at the picture in the Exercise 4. Write two sentences to tell whether it helps or hurts the environment.

For example:

Cars make the air dirty.

They hurt the environment.

5．Let's sing the song.

Edelweiss

二、作业

抄写、背诵本单元所学新单词和句型。