2. Unit 4 Our World Topic 1 Plants and animals are important to us. Section B

3. plant n. 植物 v. 种植，播种 v. 种植，播种 Learn some new words! rose n. 玫瑰花

4. snake n. 蛇 Learn some new words! fox n. 狐狸 (pl.) foxes insect n. 昆虫 frog n. 青蛙

5. What’s the snake doing? It is eating the frog. It means snakes feed on frogs.

6. fox snake frogbird feed on insect plant That’s nature. That’s our world. Draw some arrows ( ) to show their relations. 食物链

7. Listen to the recording and fill in the blanks.recording 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. That’s ________. That’s our world. If there are no plants or insects in the future, what will our world be like? bigger stronger the most dangerous nature

8. Discuss with your partner what animals you like best. Then report your result.

9. 1. Does Wang Wei like animals? 2. What does Maria like? Answer the questions: 1. Does Wang Wei like animals? 2. What does Maria like? 1a Look, listen and say 影片 影片

10. more interesting the most beautiful beautiful cuter Match the people with the things they like and give the reasons. And act out the conversation.

11. 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

12. They give us joy.They give us joy. give sb. joy Key points

13. As we know, plants and animals are important to us.As we know, plants and animals are important to us. be important to sb. 众所周知 Key points

14. share … with … 与 …… 分享 …… We share the world with animals and plants.

15. We share the world with them.We share the world with them. share sth. with sb. 我和妹妹共用一个房间。 我和妹妹共用一个房间。 I share the room with my sister. Key points

16. Which do you like better, plants or animals?Which do you like better, plants or animals? Which … better, ______ or _______? Which … best, _____, _____ or ______?Which … better, ______ or _______? Which … best, _____, _____ or ______? Key points

17. Read 1a again and practice conversations with your partner. The following expressions may help you. better, … or … ? What kind of animal/plant do you like best, …, … or …? best, …, … or …? Why do you think so ? more friendly/useful… more friendly/useful… Because it’s/they’re the most beautiful /interesting… the most beautiful /interesting…

18. Discuss the following questions about animals and plants in groups, then report the results to the class. 1. Do you know the importance of1. Do you know the importance of plants and animals to us? plants and animals to us? 2. What should we do to protect2. What should we do to protect plants and animals? plants and animals?

19. Summary 1. Talk about plants and animals in nature.1. Talk about plants and animals in nature. 2. The changing rules and use of comparative and2. The changing rules and use of comparative and superlative degrees of polysyllabic adjectives. superlative degrees of polysyllabic adjectives. 多音节形容词的比较级和最高级 more + adj. the most + adj. 3. Useful expressions:3. Useful expressions: Which … better, ______ or _______? Which … better, ______ or _______? Which … best, _____, _____ or ______? Which … best, _____, _____ or ______? share … with …; give…joy share … with …; give…joy feed on; be important to feed on; be important to

20. Homework How many kinds of animals do you know? Write them down and draw a picture to show their relations.How many kinds of animals do you know? Write them down and draw a picture to show their relations.

21. Thanks for listening! Thanks for listening! Goodbye! Goodbye!