《Let's Clean Up!》Save Our World! PPT下载
第一部分内容：Learning Tip
World Environment Day began in 1972. It's organized by the U.N. every year in different countries. Its aim is to remind people to protect the environment.
Lead in.
When you see a lot of garbage in your schoolyard, what should you do?
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Let's Clean Up!PPT，第二部分内容：Learning Aims.
1. 学习并识记单词和短语：
attention, rubbish, pollution, explain
2. 熟练应用 clean up, draw one’s attention, pick up, a bit of.
3. 明白保护环境是我们的职责，我们应该保持校园的干净。
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Let's Clean Up!PPT，第三部分内容：Learn Some New Words.
school yard
['skuːljɑːd] 校园
attention
[ə'tenʃn] 注意，留心
rubbish
['rʌbɪʃ]
garbage
['ɡɑːbɪdʒ]
垃圾，废物
pollution
[pə'luːʃn]污染
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Let's Clean Up!PPT，第四部分内容：Language notes.
1.Look at all of this rubbish.
rubbish garbage litter “垃圾” 不可数名词
2.Ｗe should pick up the garbage.
pick up “拾起，捡起” 动词短语
pick up the garbage = pick the garbage up
pick it up pick them up
pick up 还可以表示“(顺便用车)来接”。
例：I‘ll pick you up at five this afternoon.
3. It would take too long.
take v.“花费”
It takes sb. some time to do sth.
cost v. “花费 ; 价值为”
Sth. cost(s) (sb.) some money
4. Each student could clean up a bit of the school yard.
a bit of=a little 意为“少数，一点儿”修饰不可数名词。
例：There is a bit of/a little water in the bottle.
瓶子里有一点儿水。
另外，a bit=a little 意为“一点儿”修饰形容词或副词，表示程度轻。
例：It is a bit /a little cold today.
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Let's Clean Up!PPT，第五部分内容：Summary.
clean up 打扫；把…打扫干净
draw one’s attention 引起……的注意
explain sth. to sb. 向某人解释某事
pick up 捡起，拾起（顺便用车）来接
a bit of 一点儿
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Let's Clean Up!PPT，第六部分内容：Homework.
Finish exercises of Lesson 43.
Role-play Lesson 43.
Better your design of the project on World Environmental Day and make a poster.
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