课件26张PPT。Unit 4 Our WorldTopic 1 What’s the strongest animal on the farm?Section Acowcountryside n. 农村，乡下horsehenWhat can we see in the countryside?sheepsome sheepWhat can we see in the countryside?goosesome geeseWhat can we see in the countryside?mousesome miceWhat can we see in the countryside?Do you like these animals ?
Yes, I do.Can you see them in the cities ?No, I can’t.Where do you want to live ?I want to live in … Does Wang Wei like the countryside or the city? Now, watch the flash of 1a, and find out the answer.视频1a-P811a1bListen to 1a and check the words you hear. _____ fresher _____ busier _____ bluer
_____ taller _____ bigger _____ clearer
_____ nicer _____ quieter _____ noisierNow, look at the pictures and say something about the countryside and the city.录音1a-P81countrysideThe air is fresh. The sky is blue.The trees are green.The river is clear. It’s quiet in the countryside.The air is dirty.The river is dirty.cityThe buildings are tall.The roads are wide.
The traffic is busy.It’s noisy in the city.The air in the countryside is ______
The sky in the countryside is ______
The river in the countryside is ______
The trees in the countryside are _______ than those
in the city.
It’s ________ in the countryside than in the city.than that in the city. greenerquieterfresherbluerclearer Wang Wei likes the countryside very much because he thinks the air is _________, the sky is _______ and the rivers are ________ there. Michael thinks the countryside is much ________ than the city, too, so people can enjoy the beauties of nature. Wang Wei goes to the countryside every year for his summer holiday.fresher bluerclearer quieterListen again and fill in the blanks. Then read it aloud.录音1a-P81
所填单词有什么特点？2bStudy the rules carefully and complete the table.单音节及部分双音节形容词比较级（- er）和最高级（- est）的规则变化。1. 一般在词尾直接加er/est: tall—taller—tallest
2. 以e 结尾的单词去e加er/est: wide—wider—widest
3. 以辅音字母加y结尾的单词，把y改成i, 再加 er/est : busy—busier—busiest
以重读闭音节结尾，且末尾只有一个辅音字母的单
词，双写末尾的辅音字母，再加er/est :
big—bigger—biggest , (fat, thin, red, hot) taller tallest braverbravest fatterfattestthinnerthinnest uglierugliest2bStudy the rules carefully and complete the table.写出下列形容词的比较级和最高级。 short _______ _______ small ______ _______
large _______ ________ late _______ _______
happy ______ ________ easy ________ _______
hot _______ ________ hard ________ _______
cute ________ ________ dirty ________ ______Listen to the conversation and fill in the blanks.2aOne day, the children were visiting a farm.录音2a-P81Answers to 2a:
taller stronger
shorter nicer
cuter better Let’s talk about the other animals on the farm.small big The mice are smaller than the hens. The hens are smaller than the geese.The mice are the smallest of all.<<？？>>The hens are bigger than the mice.The geese are bigger than the hens. The geese are the biggest of all.small big？？thin The ducks are a little thinner than the geese.cow cat
sheep mouse
hen goose
duck dog
rabbitExample :( One day, the animals on the farm were talking.)
Dog : I’m the strongest on this farm.
Rabbit : I don’t think so. The pig is stronger than you .
Dog : Ha! Ha ! He is lazier than me .
…1. The comparative and
superlative degrees of adjective.
形容词比较级、最高级的规则变化
及用法。（-er/est）
2. Talking about animals and
describing nature.summaryHomeworkDraw a picture of your hometown and write a passage about it, using adjectives and their comparative and superlative degrees.Thank you !Ⅰ. 词汇。（10分）
(A)根据句意及首字母提示补全单词。
1. People can enjoy n_______ in the countryside. The air is fresher and the sky is bluer there.
2. She c_______ the table with a cloth yesterday.
3. Many animals are in danger. We must do something to p_______ them.
4. Thousands of rivers go into the s_______ at last.
5. Thousands of old trees were in the f_______ ten years ago, but now there are few.
(B)根据句意及汉语提示填空。
6. These plants float on the _______ (表面) of the water.
7. My grandparents keep a lot of _______ (绵羊) in the countryside.
8. The fox usually _______ (以……为食) meat.
9. The teacher had no _______ (控制) over the children.
10. The rivers in the countryside are much _______ (清澈) than those in the cities.
Ⅱ. 填空。（5分）
用括号内所给单词的适当形式填空。
11. The beauty looks much _______ (thin) than the fat girl, but the fatter girl looks healthier.
12. The baby stopped crying as soon as his young mother _______ (feed) him.
13. It’s easy for people to be ill to live in _______ (wet) places.
14. The hens on the farm _______ (die) last week because of some kind of disease.
15. We must do something to protect the animals from _______ (dangerous).
