冀教版八年级下Unit 8 Save Our World Lesson 45 Let's Sort Garbage!课件（37张ppt）

(共37张PPT)
Unit 8 Save Our World
Lesson 45 Let’s Sort Garbage!
1.Curriculum words: empty ,litter ,sort ,metal ,plastic , recycle, amount
2. Useful expressions: too much
3. Sentences:
They need to throw away only one small bag of garbage!
It is a waste to use paper only on one side.
Watch and think.
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
Listen and read
Danny empties two bags of garbage onto the floor.
Jenny: That's a lot of garbage! Can I help you sort it
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！)
Jenny: People throw too much away. They shouldn't waste so much!
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.
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. 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！
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
Read the dialogue again and answer the following questions
1.Why are Danny and Jenny surprised after sorting the garbage
2.How do people waste paper
3.What will Danny do with the broken toy car
4.Why is it dangerous to drop litter / rubbish carelessly
1.Why are Danny and Jenny surprised after sorting the garbage
Because almost all of it can be reused or recycled! They need to throw only one small bag of garbage.
Read the dialogue again and answer the following questions
Red Harmful
Green Glass
Blue Recyclable
Black Others except recyclable waste
2. How do people waste paper
They use paper only on one side.
3. What will Danny do with the broken toy car
He will take it home and clean it. Then he will fix the broken wheel. Finally he will give it to Debbie.
Read the dialogue again and answer the following questions
4. Why is it dangerous to drop litter / rubbish carelessly
Because litter can hurt people.
Read the dialogue again and answer the following questions
Danny empties two bags of garbage onto the floor.
empty/'empt /v.把……弄空　adj.空的
empty可作动词，意为“把……倒空；把……掏空”。
e.g. Can you empty the plates for me
你能替我把盘子里的东西倒掉吗？
Language points
Please empty the box. And it will be empty.
请清空箱子，那它就会是空的。
empty还可作形容词，意为“空的；空着的”。
其反义词为full，意为“满的”。
e.g. 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。
Language points
Can I help you sort it
sort /s t/ v. 把…… 分类，整理 n. 类；种类
sort 作动词常用短语：
sort out 理顺；整理 sort...into把……分类
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。
Language points
sort作名词时，为可数名词，相当于kind/type。
相关短语：
a sort of 一种……
all sorts of 各种各样的
e.g. 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。
Language points
垃圾很容易分开并归入塑料、玻璃和纸三类。
Rubbish can easily be separated and
__________ __________ plastics, glass and paper.
sorted into
Language points
They need to throw away only one small bag of garbage!
need /ni d/ v. 需要
实义动词 need to do sth. 表示主语与need 后的动词存在主动关系
need doing 或need to be done 表示主语与need 后的动词存在被动关系
情态动词 引导一般疑问句时，肯定回答用must, 否定回答用needn’t
need 的用法
Language points
need作实义动词时，有时态、人称
和数的变化，need 后可接名词、代词作宾语，也可接动词不定式和动名词作宾语。
e.g. They need my help.
他们需要我的帮助。
Jim needs to do some exercise.
吉姆需要做一些锻炼。
These shoes need mending.
这些鞋需要修补。
Language points
need doing ＝ need to be done，意为“ 需要被……”
e.g. My watch needs repairing.
= My watch needs to be repaired.
我的手表需要被修理。
Language points
need作情态动词时，常用于否定句或疑问句中。其否定形式为needn’t，意为“不必”。没有时态、人称和数的变化。后接动词原形。构成疑问句时，只需将need提至句首。
e.g. He needn’t go there tomorrow.
明天他不必去那里。
Need he go yesterday
昨天他有必要去吗？
Language points
—Must I finish reading the book today, Mr. Brown
—No, you _______. You can finish it in two days.
A. needn’t B. mustn’t
C. can’t D. couldn’t
A
Language points
People throw too much away.
辨析too much，much too和too many
too much 太多 用作形容词词组，修饰不可数名词；用作副词词组，修饰谓语动词；用作名词词组，可作宾语等。 I drank too much beer last night.
昨晚我喝了太多啤酒。
too much太多
Language points
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。 The exam was much too difficult for me.
考试对我来说太难了。
too many 太多 常用作形容词词组，修饰可数名词复数。 They built too many buildings last year.
去年他们建了太多楼房。
Language points
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。
One of the wheels is broken.
broken / br k n/ adj. 坏的；破碎的；出了毛病的
作形容词
e.g. The window was broken last week.上周窗户坏了。
作动词
e.g. It must be Billy who has broken the glass.
一定是比利打碎的杯子。
break—broke—broken
Language points
Litter can hurt people!
litter /'l t / n. (rubbish) 垃圾； v. 扔垃圾；使乱七八糟
litter作不可数名词，意为“垃圾，废弃物”，与rubbish 同义。
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。
Language points
hurt /h t/ v. 伤害
hurt——hurt——hurt
hurt sb. 伤害某人
e.g. I didn’t mean to hurt your feelings.
我不想伤害你的感情。
hurt 用作动词，还可表示“感到疼痛”。
e.g. My shoes are so tight that my feet hurt.
我的鞋子太紧了，我的脚疼。
Language points
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.
Let’s Do It!
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”？
Let’s Do 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
Let’s Do It!
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！
Let’s Do It!
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.
Let’s Do It!
测评：八年级下册Unit 8-Lesson 45随堂检测（配套）2
一、根据句意及汉语提示, 填写单词
1. Can you help me________(分类) the rubbish
2. Can you help me pick up the________(垃圾).
3. What is the________(数量)of the paper
4. Some of the rubbish is________(塑料) .
5. The machine is made of________(金属).
sort
litter　
amount
plastic
metal
二、用方框中所给词的适当形式填空
1. Can you help me________ the broken car
2. The windows are________ because of the strong wind.
3. Most of the glass can be________.
4. He has________homework than I do.
5. This small bottle is full. But that big one is ________.
empty, much, recycle, break, fix
fix
broken
recycled
more
empty
三、连词成句(注意词形变化)
1. one, the, is, side, paper, only, on, use
_________________________________________________
2. garbage, did, where, the, your, put
_________________________________________________
3. too, much, paper, people, wastes
_________________________________________________.
4. carry, oranges, full, he, of, is, bag, a
_________________________________________________.
5. desk, are, broken, on, there, piece, glass, the, of
_________________________________________________.
Is the paper only used on one side
Where did you put the garbage
People waste too much paper
He is carrying a bag full of oranges
There are pieces of broken glass on the desk
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
Tell your parents and your friends about the knowledge we learnt today and sort and reuse garbage together.
2. Preview Unit 8-Lesson 46.
Bye-bye