Unit 4 Our WorldTopic 1 Which do you like better,plants or animals ?Section A

What can we see in the countryside?

countryside n. 农村，乡下

horse hen cow

What can we see in the countryside?

sheep

some sheep

What can we see in the countryside?

goosesome geese

Look, listen and say

small

big

The hens are smaller than the geese. The mice are smaller than the hens. The mice are the smallest of all.

<

<

small

big

The hens are bigger than the mice.

The geese are bigger than the hens.The geese are the biggest of all.

>

>

thinThe ducks are a little thinner than the geese.

<The ducks are much thinner than the pigs.

<thin adj. 瘦的；薄的；稀的

下列形容词比较级和最高级变化有什么规律？

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。Adjective Comparative Superlative Adjective Comparative Superlative strong stronger strongest big bigger biggest fat tall nice nicer nicest thin lazy lazier laziest ugly brave

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 4 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)

2b

Work alone

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。Adjective Comparative Superlative Adjective Comparative strong stronger strongest big bigger tall nice nicer nicest brave

taller

tallestfat thin

braver bravestugly

fatter thinnerthinnest

lazy lazier

uglierugliest

Superlative

biggest fattest

laziest

The sky is blue. The air is fresh.

countryside

The trees are green.

The river is clear.

It’s quiet in the countryside.

The air in the countryside is ______ fresher than that in bluer The sky in the countryside is ______ clearer the city. The river in the countryside is ______ The trees in the countryside are greener _______ than those in the city. quieter It’s ________ in the countryside than in the city.

1a

Look, listen and say

Where does Wang Wei like to live better, a countryside or a city?

Listen and fill in the blanks with the correct words according to 1a. (录音1) How does Wang Wei think of the countryside? Wang Wei likes the countryside very fresher the much. He thinks the air is _________, sky is _______ bluer and there are also _________ greener trees and ________ clearer rivers there.

What about Michael?

quieter too. Michael thinks it is __________, And people can enjoy the beauties of nature there. Wang Wei goes there for his summer vacation every year.

Summary 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.