Lesson 45 Let’s Sort Garbage!
Learning aims:
1. Master the new words and expressions: sort, metal, weight, percent
2. Call on the students to take actions to protect our environment.
3. Learn about the pollution problems in our life.
Learning important points:
1. Offering help.
2. Learn new vocabulary for describing materials and for comparing qualities.
Learning tools:
audiotape, flashcards, pictures
Learning steps:
Step 1. Remind the students:
1. What kinds of rubbish do you throw every day Can you name them
2. What can be recycled
Step 2. Work in groups
Let the students go to the dustbin to collect some garbage and take them to the classroom.
Ask the students name them and compare the qualities.
Let the students look up the books and the dictionaries when they are in trouble. Help them when they can’t express correctly.
Step 3. Listening
Listen to the tape finish Exercise 2 in the activity book.
1. Every year, each person in North America makes about 1000 kilograms of garbage.
2. Plastic makes the most garbage.
3. In just one day, Americans throw out 136 million kilograms of packaging.
4. Packaging makes the most garbage.
Step 4. Reading
Read the text and check the answers.
Let the students read the text in roles. Then ask several students to act out the dialogue.
Step 5. Come to “PROJECT”
Bring the students to pick up the garbage in the school yard. Put the garbage into bags and bring it to school for our project.
Take a walk around your neighbourhood, take a bag with you and pick up any garbage you see. Wear gloves, because garbage in dirty.
Now sort the garbage into paper, plastic, metal, glass and others.
Then compare the garbage in school yard with that in neighbourhood.
Have students work in the same groups or in new groups. Each group will make a poster about what things they can do to help reduce pollution in the world.
1(共27张PPT)
Lesson 45
Let's Sort Garbage!
Unit 8 Save Our World
同学们, 上一课学习的单词、短语和句型你们都掌握了吗 现在大家来检验一下, 点击下面的音频开始听写吧!
Look at the picture. When we throw away the garbage, we must sort it. Why
THINK ABOUT IT
·What do you do with your garbage
·What kinds of things can be recycled and reused
Danny empties two bags of garbage onto the floor. ①
Jenny: That's a lot of garbage! Can I help you sort it ②
Danny: Yes, please. Let's put the glass here, the metal here, the plastic here and the paper here.
(After they sort the garbage, Danny and Jenny are surprised. Almost all of it can be reused or recycled! They need to throw away only one small bag of garbage! )
温馨提示：此符号表示“考点精讲点拨”链接。
Jenny: People throw too much away. They shouldn't waste so much! ③
Danny: That's right. Look! There is more paper than plastic. And there is less metal than plastic. There is the least amount of glass. ④
Jenny: And the most amount is paper. It is a waste to use paper only on one side.
Danny: Hey! I found a toy car. One of the wheels is broken. ⑤ I'll take this car home and clean it. Then I'll use some glue to fix the broken wheel. When I finish fixing this car, I will give it to my little cousin, Debbie.
Jenny: Nobody should throw away a toy like this. It can be fixed. It's not right to waste things. Look at all of the glass. It can all be recycled and made into new glass.
Danny: A lot of glass is broken. It's dangerous to leave broken glass on the ground. Once, I cut my foot on a piece of broken glass.
Jenny: Litter can hurt people! ⑥
1) Read the lesson and write true (T) or false (F) .
1. There is a lot of garbage: glass, metal, plastic and paper.
( )
2. There is the most amount of glass and the least amount of paper.
( )
3. Danny found Debbie's toy car in the garbage. ( )
4. Danny once cut his foot on a piece of broken glass. ( )
T
F
F
T
Example:
It is a waste to use paper only on one side.
1. It is fun to travel!
2. It is not right to waste things.
3. It is quite easy to find information with this program.
4. They think it is rude to point with a finger.
5. It is dangerous to leave broken glass on the ground.
2) Circle the words that “it” refers to in each sentence.
Learn to learn
As we know, “it” can be used to refer to time, weather, distance or something mentioned before. Study the sentences above. Can you find other ways of using “it”
PROJECT SORT THE GARBAGE
Go for a walk around your neighbourhood. Take a bag with you and pick up any garbage you see. Wear gloves because garbage is dirty.
Bring the garbage to school. Don't throw it away!
What kind of garbage did you find Sort the garbage. Make a pile for paper, plastic, metal, glass and other things.
·How much of each type of garbage do you have
·What type do you have the least/most amount of
Do you want to throw away the garbage now Don't! What else could you do with it Think! Could you use some of the garbage again How
How could people make less garbage Talk about this and write down your ideas. Now you can take out the garbage!
How could people make less garbage
First, people can buy fewer things. When they buy fewer things, they throw away fewer things. Second, people can reuse things. They can use things, and then they use them again. Third, people can recycle things. They can make old things into new things.
①Danny empties two bags of garbage onto the floor
empty /‘empt / v. 把……弄空 adj. 空的
e. g. Can you empty the plates for me
你能替我把盘子里的东西倒掉吗
I looked into the classroom but I found it empty.
我朝教室里看, 但我发现里面空无一人。
Please empty the box. And it will be empty.
请清空箱子。那它将会是空的。
考点1
empty------→full
反义词
中考在线1: There is an ________ (空的) bottle on the road. Everyone should be careful.
[南京]
empty
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温馨提示：可返回原文
②Can I help you sort it
sort /s t/ v. 分类; 整理 n. 类; 种类; 类型
e. g. It took quite a while to sort out all our luggage.
整理我们全部的行李花了不少时间。
He helped me to sort the fruits into apples, pears and bananas.
他帮我把水果分成了苹果、梨和香蕉。
考点2
sort out 理顺；整理
sort...into把……分类
Bamboo is a sort of hollow plant.
竹子是一种中空植物。
He was turned to for advice by all sorts of people.
各种各样的人都向他寻求建议。
a sort of 一种……
all sorts of
各种各样的
sort作名词时，为可数名词，相当于kind/type。
返回
③People throw too much away.
too much 太多
e. g. I drank too much beer last night.
昨晚我喝了太多啤酒。
The exam was much too difficult for me.
考试对我来说太难了。
考点3
too much太多，用作形容词词组，修饰不可数名词；用作副词词组，修饰动词；用作名词词组，可作宾语等。
much too 太；非常，用作副词词组，修饰形容词或副词，但不修饰动词。
They built too many buildings last year.
去年他们建了太多楼房。
Sun Liang is much too fat, because he eats too much fat and too many kinds of fried food.
孙亮太胖了, 因为他吃太多的肥肉和太多种类的油炸食品。
too many太多，常用作形容词词组，修饰可数名词复数。
中考在线2: My cousin is _____ heavy because he often eats ______ fast food. [安顺]
A. too much; too many B. too many; too much
C. much too; too much D. too much; much too
【点拨】句意为“我的堂弟太重了, 因为他经常吃太多快餐”。much too修饰形容词或副词, 但不修饰动词, too much 修饰不可数名词。第一个空修饰heavy; 第二个空修饰不可数名词fast food。
C
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④There is the least amount of glass.
amount /a'ma nt/ n. 量; 数量
e. g. We must cut down on the amount of material we use.
我们必须削减原料使用量。
He spent the least amount of time preparing for the exam. 他花最少的时间备考。
考点4
the least amount of 数量最少的
the amount of ……的数量
拓展: the amount of 使用时要注意的问题:
(1) 后面要接不可数名词;
(2) 作主语时, 谓语动词要使用单数形式。
e. g. The amount of the money we raised has reached 10, 000 yuan.
我们筹款的数量已经达到了一万元。
返回
⑤One of the wheels is broken.
broken / br k n/ adj. 坏的; 破碎的; 出了毛病的
e. g. The window was broken last week.
上周窗户坏了。
It must be Billy who has broken the glass.
一定是比利打碎的玻璃。
考点5
作形容词
作动词
break—broke—broken
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⑥Litter can hurt people!
litter /'l t / n. 垃圾; v. 乱扔; 使乱七八糟
e. g. There is too much litter in the room.
房间里有太多的垃圾。
Piles of books and newspapers littered the floor.
地板上乱七八糟地堆了许多书和报纸。
考点6
litter作不可数名词，意为“垃圾，废弃物”，与rubbish 同义。
hurt /h t/ v. 伤害
e. g. I didn’t want to hurt your feelings.
我不想伤害你的感情。
My shoes are so tight that my feet hurt.
我的鞋子太紧了使我的脚疼。
考点7
hurt—hurt—hurt
hurt sb. 伤害某人
hurt用作动词，还可
表示“感到疼痛”。
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本节课我们主要学习了以下重点内容:
重点单词: empty
重点短语: too much
重点语法: 含情态动词的被动语态
