《Environment Clubs》Save Our World! PPT教学课件
第一部分内容：Learning Targets
1. Be able to use the words and phrases: reduce, reusable, least, pollute, skip, packaging, leaky, waste, litre, sink, electricity, shut, throw away, encourage sb. to do sth. , neither... nor... , turn off, shut down
2. Learn the environment club and learn to protect the environment
3. Learn some key sentences:
· In an environment club, students work together to reduce pollution and protect the environment.
· How much garbage do you throw away after lunch？
· Environment clubs encourage students to bring their lunches in reusable bags and dishes.
· The class with the least garbage gets a prize.
· It's a good way to reduce packaging.
· Did you know that a leaky toilet can waste 20 to 40 litres of water an hour？
· Turn off the television and shut down the computer when you are not using them.
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Environment ClubsPPT，第二部分内容：Lead in
What are they doing?
Do you think the characters in the pictures are correct?
Why or why not? What should we do?
Do you know them? And what are they doing?
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Environment ClubsPPT，第三部分内容：Words and expressions
reduce v. 减少
reusable adj. 可重复使用的
least adj. & adv. 最少的(地)；最小的(地)
n. 最少量；最小物
pollute v. 污染；弄脏
skip v. 跳跃；跳绳
packaging n. 包装
leaky adj. 渗漏的
waste v. & n. 浪费
litre n. 公升
sink n. 水槽；水池
electricity n. 电
shut v. 关上；合上
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Environment ClubsPPT，第四部分内容：Presentation
Listen and read the passage.
In North America, many students join environment clubs. In an environment club, students work together to reduce pollution and protect the environment. The following is a list of their activities and advice.
·Nogarbage lunches: How much garbage do you throw away after lunch？Environment clubs encourage students to bring their lunches in reusable bags and dishes. The class with the least garbage gets a prize.
·Nocar days: On a nocar day, nobody comes to school in a car—neither the students nor the teachers！Cars pollute our air, so remember:
Walk, skip, bike or run.
Use your legs！It's lots of fun!
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Environment ClubsPPT，第五部分内容：Let’s Do It!
1.Read the lesson and answer the questions.
1. Why do many students join environment clubs in North America？
Because they want to reduce pollution and protect the environment.
2. Why do the students take their own bags when they go shopping？
Because it's a good way to reduce packaging.
3. How do the students in an environment club save water？How do they save electricity？
They fix leaky toilets and sinks. Turn off the lights when they leave a room. Turn off televisions and shut down computers when they are not using them.
2.Fill in the blanks with the correct forms of the words in the box.
waste least nobody shut pollute
1.The soap factory _______ the drinking water in this area.
2.Students should not _____ paper.
3._______ knows when life on the earth started.
4.He who talks the most knows the _____.
5.I couldn’t ____ the window because it was stuck.
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Environment ClubsPPT，第六部分内容：Language points
1. In an environment club，students work together to reduce pollution and protect the environment.
reduce v．减少。其反义词为increase(增加)。常用短语：reduce to减少到……；reduce by减少了……
例：The number of the students has reduced to 200 this year.
今年的学生数量已减少到了两百人。
2.How much garbage do you throw away after lunch？
throw away丢掉，扔掉。它相当于throw out/throw off。该短语是动副型短语，当宾语是代词时，要放在throw与away之间；当宾语是名词时，置于throw与away之间或away之后均可。
例：Don't throw away the old bottles. They are still useful.
不要扔掉这些旧瓶子。它们还有用。
3.Environment clubs encourage students to bring their lunches in reusable bags and dishes.
encourage sb.to do sth.鼓励某人做某事。其中，动词不定式作宾语补足语。
例：My teacher always encourages me to work hard.
我的老师总是鼓励我努力学习。
4. The class with the least garbage gets a prize.
least是little的最高级形式，意为“最少”，修饰不可数名词。最高级前面通常要用定冠词the。
例：Tom drank the least milk among the three boys. 这三个男孩中，汤姆喝的牛奶最少。
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Environment ClubsPPT，第七部分内容：Exercises
根据句意和首字母及汉语提示完成句子。
1. School should be surrounded by a pure and healthy e__________.
2. Chemical wastes p______ the rivers and streams.
3. The ship was l______ badly.
4. You should not w____ food when many people are hungry.
5. I have to __________ (关闭) my blog.
6. The glass from bottles can be r_______.
7. We should take ________ (可重复利用的) bags for shopping.
8. Mr. Smith can drink five ______ (公升) of beer.
9. The firm has ___(更少的) money and fewer staff than last year.
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Environment ClubsPPT，第八部分内容：Summary
1. Learn some new words and expressions.
2. Be able to understand this text.
3. Call in people to work together to make our environment clean.
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Environment ClubsPPT，第九部分内容：Homework
1. Finish the exercises of Lesson 44.
2. Preview next lesson.
3. According to the text, think about the measures to protect the environment and write down your answer.
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