Unit 8 Save Our World.Lesson 45 Let's Sort Garbage!课件

课件13张PPT。 lesson 45
Let's Sort GarbageLead in What do you usually do with garbage?
What kinds of things can be recycled and used?Reading 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 . There is the least amount of glass.
ReadingReadingJenny: 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.
ReadingJenny: 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 make 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!
Reading1. empty adj. 空的 vt . 倒空
There is an empty bottle on the table.
Can you empty the plates for me?





Language points2. sort .n. 种类 v. 分类 There are different sorts of garbage. We must sort the bad apples from the good ones. 3. re- 前缀，“再，重新” rewrite, replay, reuse,
remarry, rebuild, recycle,

Language points4. amount n. 量；数量 a large amount of + 不可数名词 大量的…
the least amount of + 不可数名词 数量最少的...
the most amount of + 不可数名词 数量最多的... 5.be made into ……….
be made of /from / in /by…..6. waste. n. 浪费 v. 浪费 ；a waste of time / money / life...waste time / money on sth./in doing sth.8. garbage (AmE)
rubbish (BrE） 垃圾（尤指家庭的）
litter 乱扔的杂物（如纸屑，包装纸，瓶子）
三个词都是不可数名词，常见短语：
rubbish bin 垃圾箱 rubbish dump 垃圾场
a garbage truck 垃圾车
garbage collection 垃圾收集（处理）
litter还可以做动词：乱扔，使乱七八糟
Don't litter everywhere.Language points含有情态动词的被动语
主语+情态动词（can / may / must / should）+ be+过去分词
eg: The flowers should be watered every day.
Cars mustn’t be parked here.
Grammar 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?
It is a waste to use paper only on one side.
It is fun to travel!
It is not right to waste things.
It is quite easy to find in formation with this program.
They think it is rude to point with a finger.
It is dangerous to leave broken glass on the ground.Grammar garbage