1、Unit 4 Our World,Topic 1 Whats the strongest animal on the farm?,Section A,1. The comparative and superlative degrees of adjective. 形容詞比較級、最高級的規(guī)則變化 及用法。（-er/est） 2. Talking about animals and describing nature. 談?wù)搫游镆约懊枥L大自然,學(xué)習(xí)目標(biāo),cow,countryside n. 農(nóng)村，鄉(xiāng)下,horse,hen,What animals can we see in the country

2、side?,sheep,some sheep,What can we see in the countryside?,goose,some geese,What can we see in the countryside?,mouse,some mice,What can we see in the countryside?,sheep 綿羊,bigger更大的,Xiyangyang is than Meiyangyang.,Meiyangyang is than Xiyangyang.,smaller更小的,horse 馬,Horse 1 is than Horse 2.,Horse 2 i

3、s than Horse 1.,smaller,bigger,1,2,hen 母雞,is smaller than Hen 2.,Hen 1,1,2,Hen 2,is bigger than Hen 1.,Which is , or ?The isthan the,Pair work,1,2,3,4,smaller bigger,stronger weaker,thinner fatter,taller shorter,(1) tall+ _ taller small + _ smaller (2) nice+ _ nicer blue + _ bluer (3) big + _ bigger

4、 thin + _ thinner (4) lazy + _ lazier ugly + _ uglier,Comparative Degree,er,er,r,r,ier,ier,ner,ger,比較級,單音節(jié)及部分雙音節(jié)形容詞比較級（- er）和最高級（- est）的規(guī)則變化。,1. 一般在詞尾直接加er/est: talltallertallest 2. 以e 結(jié)尾的單詞去e加er/est: widewiderwidest 3. 以重讀閉音節(jié)結(jié)尾，且末尾只有一個輔音字母的單 詞，雙寫末尾的輔音字母，再加er/est : bigbiggerbiggest , (fat, thin, red

5、, hot) 4 以輔音字母加y結(jié)尾的單詞，把y改成i, 再加 er/est : busy busierbusiest,變化口訣,比較級要變化,一般詞尾加er; 詞尾若有啞音e,直接加r就可以 ; 一輔重讀閉音節(jié),輔音字母要雙寫; 輔音字母加上y,要把y變成i; 最高級加est,前面加the莫忘記.,練一練：寫出下列形容詞的比較級。,fresh _ clean _ blue _ late _ happy _ easy _ hot _ red _ cute _ dirty _,fresher,happier,redder,hotter,dirtier,cuter,later,cleaner,bl

6、uer,easier,sky /ai/,river /,Which do you like better, the city or the countryside?,the beauty of nature,clear /i/,Now, watch the flash of 1a, and answer the question . Does Wang Wei like the city or the countryside?,視頻1a-P81,1a,countryside,city,Read,A: Hey, Wang Wei, what are you? B: Oh, Im thinking

7、 about life A: Do you like? B: Yes, I like it very much because fresher bluerclearerthere. A: I think the countryside is muchthan., too. People can enjoy B: My grandma lives. and I go there A: That must be,1b,Listen to 1a and check the words you hear.,_ fresher _ busier _ bluer _ taller _ bigger _ c

8、learer _ nicer _ quieter _ noisier,Now, look at the pictures and tell me the reason why Wang Wei likes the countryside.,錄音1a-P81,countryside,fresher.,The sky is bluer.,The trees are greener.,The river is clearer.,Its quieter in the countryside.,People can enjoy the beauty of nature there.,The air is

9、,Retell,Wang Wei likes the because,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 fo

10、r his summer holiday.,fresher,bluer,clearer,quieter,Listen again and fill in the blanks. Then read it aloud.錄音1a-P81,所填單詞有什么特點？,Which does Miss Xu like better, the city or the countryside?,Guessing Game,？,The air is not fresher.,The river is dirtier.,city,The buildings are taller.,The roads are nice

11、r.,Guess,Which does Miss Xu like better, the city or the countryside?,city,The life there is funnier.,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,？,？,1. The comparative and superlative degrees of adjective. 形容詞比較級、最高級的規(guī)則變化 及用法。（-er/est） 2. Talking about anima