Unit 4 Our World Section A

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1 Unit 4 Our World Section A
Topic 1 What’s the strongest animal on the farm? Section A 岗李中学 李璠

2 What can we see in the countryside?
countryside n. 农村，乡下 horse hen cow

3 What can we see in the countryside?
sheep some sheep

4 What can we see in the countryside?
goose some geese

5 What can we see in the countryside?
mouse some mice

6 The sheep is big. The sheep is bigger. The sheep is the biggest.

7 goose This goose is small. This goose is smaller .
This goose is the smallest.

8 Look Think, then Find out some rules.
Adjective strong tall nice brave 比较级 stronger nicer 最高级 strongest nicest braver taller tallest bravest Adjective big fat thin lazy ugly 比较级 bigger lazier 最高级 biggest laziest thinner uglier fatter fattest thinnest ugliest

9 形容词比较级和最高级的构成 　　1．一般单词，比较级在后面加-er, 最高级在后面加-est； 　 如：small →smaller →smallest short →shorter →shortest  　　tall→ taller→ tallest great →greater →greatest 　　 2．以不发音e结尾的单音节词,比较在原级后加-r,最高级在原级后加-st； 如：large →larger →largest nice →nicer →nicest able →abler →ablest 　　 3．以重读闭音节结尾的形容词，结尾只有一个辅音字母先双写这个辅音字母, 再加- er 或 est 　　 如：big→ bigger →biggest hot →hotter →hottest fat →fatter →fattest 　　 4．以“辅音字母＋y”结尾的双音节词, 把y改为i,比较级加-er,最高级加-est 　　如：easy →easier →easiest heavy →heavier →heaviest  　　busy →busier→ busiest happy →happier →happiest

10 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 ________ ______

11 < < small big ？ ？ The hens are smaller than the geese.
看图，观察句子，总结比较级的用法。 ？ ？ small big The hens are smaller than the geese. The mice are smaller than the hens. The mice are the smallest of all. < <

12 > > small big ？ ？ The hens are bigger than the mice.
The geese are bigger than the hens. The geese are the biggest of all. > >

13 < < thin ？ The ducks are a little thinner than the geese.
The ducks are much thinner than the pigs. < thin adj. 瘦的；薄的；稀的

14 形容词比较等级的基本用法 1.比较级 常用于“比较级+than”结构，than后接人称代词时可以是主格或者是宾格。如：
Cats are more lovely than other animals He is taller than me. 2.最高级常用于“the+最高级+比较范围“结构，比较范围常有of, in, among引导的短语表达，用于三者或三者以上比较。如: He is the youngest in the class She is the bravest among them. 3. 比较级前可以用much, a little, a lot, even, rather, still, any, a bit, far等词修饰， 起强调作用。不可用very, so, quite, too（只能修饰原级）等修饰。   It’s cold today, but it is going to be even colder tomorrow.今天很冷，但是明天会更冷。

15 中考演练 一.单选 1.（2009，达州）—Kevin, is your twin brother the same as you?
—No, I’m ______ than him.    A. a little thin  B. very thinner  C. much thinner   D. a little thinner  2.China is one of ______ countries in the world .(2010.南充） A. larger  B. largest   C. the largest   3.(2009.南充）——Dick, is Dick your twin brother?    ——Yes, and I’m  ______than him.  A.more tall  B.tallest  C. more taller 4(2011,内江）——What a hot day!    ——The weather report says it will be much ______tomorrow.   A. hot  B. hotter  C. hottest 二.用所给词的正确形式填 1. My sister is two years _______ (old ) than I.    2. John’s parents have four sons, and he is the _____ (young) child. 3. She will be much ______ (happy) in her mew house. 

16 Pair work 3 stronger nicer fatter lazier strongest nicest fattest
Look at the picture and make conversations with the adjectives. stronger nicer fatter lazier strongest nicest fattest laziest taller bigger thinner uglier tallest biggest thinnest ugliest Example: The pig is strong than the dog. The dog is bigger than the hen. The pig is the laziest of all.

17 Do you like these animals ?
Where do you want to live ? Yes, I do. Can you see them in the cities ? No, I can’t. I want to live in …

18 Does Wang Wei like the countryside or the city
Does Wang Wei like the countryside or the city? Now, watch the flash of 1a, and find out the answer. 1a 视频1a-P81

19 _____ fresher _____ busier _____ bluer
Listen to 1a and check the words you hear. 录音1a-P81 _____ fresher _____ busier _____ bluer _____ taller _____ bigger _____ clearer _____ nicer _____ quieter _____ noisier Now, look at the pictures and say something about the countryside and the city.

20 countryside The air is fresh. The sky is blue. The trees are green.
It’s quiet in the countryside. The river is clear.

21 city The air is dirty. It’s noisy in the city. The river is dirty.
The roads are wide. The traffic is busy. The buildings are tall.

22 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. fresher than that in the city. bluer clearer greener quieter

23 Listen again and fill in the blanks. Then read it aloud.录音1a-P81
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 bluer clearer quieter 所填单词有什么特点？

24 Listen to the conversation and fill in the blanks.
录音2a-P81 One day, the children were visiting a farm.

25 Answers to 2a: taller stronger shorter nicer cuter better Let’s talk about the other animals on the farm.

26 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.

27 Homework Draw a picture of your hometown and write a passage about it, using adjectives and their comparative and superlative degrees.

28 Thank you !