1、Unit 4 Our WorldTopic 1 Plants and animals are important to us. Section B,MaDi,snake n. 蛇,Learn some new words!,fox n. 狐貍 (pl.) foxes,insect n.昆蟲,frog n. 青蛙,Learn some new words!,rose n.玫瑰花,Whats the snake doing? It is eating the frog. It means snakes feed on frogs.,fox,snake,frog,bird,feed on,insec

2、ts,plants,Thats nature. Thats our world.,Draw some arrows ( ) to show their relations.,食物鏈,Listen to the recording and fill in the blanks.,There are many different kinds of living things in the world. There are animals, plants, insects, etc. Most birds are _ than most insects. Foxes are _ than frogs

3、. Snakes are _ of all. Insects feed on plants. Birds and frogs eat insects. Snakes and foxes eat birds or frogs. Thats _. Thats our world. If there are no plants or insects in the future, what will our world be like?,bigger,stronger,the most dangerous,nature,Answer the questions: 1. Does Michael lik

4、e animals?2. What does Maria like?,Yes,he does.,She likes birds.,I think roses are the most beautiful of all the flowers. I think animals are more interesting. 多音節(jié)形容詞的比較級(jí)和最高級(jí) more + adj. the most + adj.,Key points,Which do you like better, plants or animals? Which better, _ or _? Which best, _, _ or

5、 _?,Key points,They give us joy.,give sb. joy,Key points,share with 與分享We share the world with animals and plants.,We share the world with them.,share sth. with sb. 我和妹妹共用一個(gè)房間。,I share the room with my sister.,Key points,more interesting,the most beautiful,beautiful,cuter,Match the people with the t

6、hings they like and give the reasons.,Practice conversations with your partner. The following expressions may help you.,better , or ? What kind of animal/plant do you like best, , or ? Why do you think so ? more friendly/useful Because its/theyre the most beautiful /interesting,Pair work,Summary,1.

7、The changing rules and use of comparative and superlative degrees of polysyllabic adjectives. 多音節(jié)形容詞的比較級(jí)和最高級(jí) more + adj. the most + adj. 2. Useful expressions: Which better, _ or _? Which best, _, _ or _? share with ; givejoy; feed on,Exercises,一、小試鋒芒，根據(jù)漢語提示完成句子。 1、I think _(玫瑰花)are the most beautif

8、ul of all the flowers. 2、He is afraid of being bitten by a _(蛇). 3、I like reading ,because reading books can give us _(樂趣). 二、試試看，你能選出最佳答案嗎？ 1、I think Helens clothes are _than Lilys. A.more beautifully B.more beautiful C.much beautiful 2、English is one of the _ subjects in high school.We should learn it well. A.important B.more important C.most important,roses,snake,joy,B,C,Homework,