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1、Unit 4 Our World,Topic 1 Which do you like better, plants or animals ?,Section A,the city or the countryside,？,the city or the countryside,？,cow,countryside n. 农村，乡下,horse,hen,What can we see in the countryside?,sheep,some sheep,What can we see in the countryside?,goose,some geese,What can we see in
2、 the countryside?,mouse,some mice,What can we see in the countryside?,small big,The mice are smaller than the hens.,The hens are smaller than the geese.,The mice are the smallest of all.,？,？,表示两者的比较时用比较级，常用句型： A比较级+than B,表示三者或三者以上中“最”时，用最高级，比较范围常用of,in, 引导的短语表示。,The hens are bigger than the mice.,T
3、he geese are bigger than the hens.,The geese are the biggest of all.,small big,？,？,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。,下列形容词比较级和最高级变化有什么规律？,taller,tallest,braver,bravest,fatter,fattest,thinner,thinnest,uglier,ugliest,2b,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: talltallertallest 2
4、. 以e 结尾的单词去e加er/est: widewiderwidest 3. 以辅音字母加y结尾的单词，把y改成i, 再加 er/est : busybusierbusiest 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 : bigbiggerbiggest , (fat, thin, red, hot),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 _ _,shorter,shor
5、test,smaller,smallest,larger,largest,later,latest,happier,happiest,easier,easiest,hotter,hottest,harder,hardest,cuter,cutest,dirtier,dirtiest,表示两者的比较时用比较级，常用句型： A比较级+than B,表示三者或三者以上中“最”时，用最高级，比较范围常用of,in, 引导的短语表示。,countryside,The air is_ .,The sky is_ .,The trees are_.,The river is_.,Its _ in the c
6、ountryside.,fresh,blue,green,clear,quiet,The air is _ .,The river is _.,city,The buildings are _.,The roads are_.,Its _ in the city.,dirty,tall,wide,busy,dirty,noisy,The traffic is _.,The sky in the countryside is _ than _ in the city.,bluer,the sky,that,The air in the countryside is _ than _ in the
7、 city.,fresher,that,The trees in the countryside are _ than _ in the city.,greener,those,Its _ in the countryside than in the city.,quieter,The river in the countryside is _ _ _ in the city.,clearer,than,that,Do you like the countryside or the city?,Does Wang Wei like the countryside or the city? No
8、w, watch the flash of 1a, and find out the answer.,视频1a-P81,1a,1b,Listen to 1a and check the words you hear.,_ fresher _ busier _ bluer _ taller _ bigger _ clearer _ nicer _ quieter _ noisier,录音1a-P81,Wang Wei likes the countryside very much because he thinks the air is _, the sky is _ and the river
9、s 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,Listen again and fill in the blanks. Then read it aloud.,录音1a-P81,Listen to the co
10、nversation and fill in the blanks.,2a,One day, the children were visiting a farm.,Yokio: Kangkang, whats the strongest animal on the farm? Kangkang: Horses. I think the _ horse over there is _than the _ horse. Sally: I think the sheep are the nicest of all. Helen: But I think this cat is _. He lets
11、me hold him. Yokio: The pigs must be the fattest and laziest animals on the farm. What do you think, Sally? Sally: But I think the pigs are_. Look! They are swimming and chatting with the hens and ducks. Kangkang: The cat is running after a mouse and the dog is playing with the rabbit. Helen: Look!
12、The cows and the sheep are eating. All the animals are living a _ life on the farm.,录音2a-P81,taller,stronger,shorter,nicer,cuter,better,chat with sb.与某人聊天,run after sb. 追赶某人,live a better life 过着更美好的生活,Look at the picture and choose the correct word for each animal. Then make conversations with the
13、adjectives in 2b.,Pair work,3,horse pig cow cat sheep mouse hen goose duck dog rabbit,Example :,( One day, the animals on the farm were talking.) Dog : Im the strongest on this farm. Rabbit : I dont think so. The pig is stronger than you . Dog : Ha! Ha ! He is lazier than me . ,1. The comparative an
14、d superlative degrees of adjective. 形容词比较级、最高级的变化规则： (四条) 形容词比较级、最高级的用法： 2. Talking about animals and describing nature.,Summary,表示两者的比较时用比较级，常用句型： A比较级+than B,表示三者或三者以上中“最”时，用最高级，比较范围常用of,in, 引导的短语表示。,1.There are 100 _ (sheep) and 400 _ (goose) on the farm . 2. This shirt is _(nice) than that one. 3.Michael is _(fat) in his class. 4.The countryside is_ (quiet) than the city . 5. My ruler is _(long) of all the three. 6. A rabbit is _(小得多）than an elephant. 7. Im _ (小一点儿） than my sister. 8 The Changjiang River is _river in China.,sheep,geese,nicer,The fattest,quieter,the longest,much sm
