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1、Plants and animals are important to us.,Unit 4 Our World,Section B,Topic 1,The hens are bigger than the mice.,The geese are bigger than the hens.,The geese are the biggest of all.,small big,？,？,rabbit,mouse,The rabbit is _than the mouse. (lovely),The mouse is _than the rabbit. (lovely),lovelier,more
2、 lovely,mice,The rose is _of the three. (beautiful),The frog is _of the three. (green),the most beautiful,the greenest,The mice are _ of them. (interesting),The mice are _ of them. (clever),the most interesting,the most clever,lant n. 植物 v. 种植，播种,Learn some new words!,rose n.玫瑰花,snake n. 蛇,Learn som
3、e new words!,fox n. 狐狸(pl.) foxes,insect n.昆虫,frog n. 青蛙,Whats the snake doing?It is eating the frog.It means snakes feed on frogs.,fox,snake,frog,bird,feed on,insect,plant,Thats nature. Thats our world.,Draw some arrows ( ) to show their relations.,食物链,Listen to the recording and fill in the blanks
4、.,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. Snakes are _ of all. Insects feed on plants. Birds and frogs eat insects. Snakes and foxes eat birds or frogs. Thats _. Thats our world
5、. If there are no plants or insects in the future, what will our world be like?,bigger,stronger,the most dangerous,nature,Discuss with your partner what animals you like best. Then report your result.,Task,Answer the questions: 1. Does Wang Wei like animals?2. What does Maria like?,Consolidation(wha
6、t & why),I think roses are the most beautiful of all the flowers.I think animals are more interesting.多音节形容词的比较级和最高级 more + adj. the most + adj.,Key points,They give us joy.,give sb. joy给某人快乐,Key points,As we know, plants and animals are important to us.,be important to sb.对某人重要,as we know众所周知,Key p
7、oints,share with 与分享We share the world with animals and plants.,We share the world with them.,share sth. with sb. 我和妹妹共用一个房间。,I share the room with my sister.,Key points,Which do you like better, plants or animals?Which better, _ or _? Which best, _, _ or _?,Key points,Read 1a again and practice con
8、versations with your partner.,better , or ? What kind of animal/plant do you like best, , or ?Why do you think so ? more lovely/usefulBecause its/theyre the most beautiful /interesting /,Pair work,Discuss the following questions about animals and plants in groups, then report the results to the clas
9、s.,1. Do you know the importance of plants and animals to us?2. What should we do to protect plants and animals?,Task,Summary,1. Talk about plants and animals in nature.2. The changing rules and use of comparative and superlative degrees of polysyllabic adjectives. 多音节形容词和部分双音节的比较级和最高级 more + 形容词原级 the most +形容词原级3. Useful expressions: Which better, _ or _? Which best, _, _ or _? share with ; givejoy feed on; be important to,Homework,1).Recite 1a and 2.,2). Do the workbook of Section Section B. 3).Preview Section C.,Thanks for your listening! Goodbye!,