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T: Look at the two pictures, which one is big? the dog or the cow? Help them to say
SS: The cow is bigger than the dog. The dog is smaller than the cow.
Then let the students read after the teacher.
T: Look at the pictures, which one is cute? The dog or the pig? Help them to say
SS: The dog is cuter than the pig. The pig is lazier than the dog.
Write the word on the blackboard : tall-taller short-shorter small-smaller big-bigger lazy-lazier
然后让学生总结单音节和部分双音节形容词比较级的规则构成：
Step3. 让学生写出下列形容词的比较级
strong tall short large dirty big hot blue red young small …
Step4. Teach the words :
sky, river, beauty, nature and clear by looking at the picture of the countryside .The teacher help them to say.
The sky is blue, the trees are green, the air is fresh, the river is clear, the countryside is quiet, we can enjoy the beauty of nature.
And then let the students look at the picture of city, help them to say, the air is fresh, the city is noisy, the river is dir ty,
Step5. look at the pictures about the countryside and the city , let the students fill in the blanks
The air in the countryside is fresher than that in the city.\
The sky in the countryside is bluer than that in the city.
The river in the countryside is clearer than that in the city.
The countryside is quieter than the city.
Step6. finish 1b. listen to 1a and check the words you hear.
Step7.read 1a.
Step8.finish 1c according to 1a.
Step9.homework.