1. Unit 8 Save Our World! Beidu Middle School Du Dan

2. Lesson 57 Let’s Clean Up !

3. Learning aims : 1.Mastery the new words and phrases: bag,yard, rubbish, pick up,a bit of,finish doing sth, get to work. 2.List the garbage we throw every day around us. 3.Let the students understand to protect our environment is our duty.

4. a bag of rubbish So much rubbish near the river rubbish near the road rubbish on the mountain rubbish / garbage everywhere

5. What’s she doing ? She is picking up garbage. Garbage is a type of pollution. Garbage is another way of saying rubbish. Another type of pollution ---air pollution

6. What are they doing ? They are cleaning up the street. clean up means make clean or tidy ! Learning tips : Get to work means begin or start to work. Let’s get to work on the text now.

7. a bag You need a bag to go shopping. They are cleaning up a yard. ( 院子 ) Maybe it’s their school yard. （校园）

8. Listen, read and talk.Listen to the tape and then answer the questions below. 1.Is there any rubbish in the school yard ? A bit of or a lot of ? 2.How long does Brian think it would to finish cleaning up the school yard ? 3.What are they studying in class this week ? 4.Who explains the plan to the class that afternoon ? 5.When did Danny lose his homework ? Did they find it ?

9. 1.Is there any rubbish in the school yard ? A bit of or a lot of ? 2.How long does Brian think it would to finish cleaning up the school yard ? 3.What are they studying in class this week ? Yes,there is a lot of rubbish. He thinks they would finish cleaning in an hour. They are studying pollution in class this week.

10. 4.Who explains the plan to the class that afternoon ? 5.When did Danny lose his homework ? Did they find it ? That afternoon,Jenny explains the plan to the class. Danny lost his homework last week. Yes, Jenny found it.

11. Key points: 1.clean up 打扫干净 pick up 捡起，拿起 2. 表示一点儿，有点儿用 a bit,a bit of, a little · 作状语修饰 v. adj. adv. 及 adj. adv. 比较级时 a bit 可 与 a little 替换 · 作定语修饰不可数名词时 a bit of 可与 a little 替换 eg; She is a bit /a little afraid of the teacher. Please give me a bit of /a little water. 3.be fun to do sth. 4.Why don’t sb. do sth?/why not do sth? 5.each/every 每一个后接单数名词，作主语当单三。 eg; Every student in our class likes English. 6.finish doing sth. 7.get to work 相当于 begin/start to work.

12. Act the dialogue in class.

13. Exercises : Fill in the blanks with the proper forms of the given words. 1.It would be fun _________(play) outside. 2.That ____(be) why I like English. 3.Why don’t they _____(come)a bit earlier ? 4.We can finish _______ (clean) in an hour. 5.Last week,Danny ______(lose) the book. 6.Garbage is another way of ________(say) rubbish. to play is come cleaning lost saying

14. Homework; 1.Finish off the activity book. 2.Do some exercises.

15. Thanks for listening!