(共26张PPT)
Unit 8 Save Our World
Lesson 48 Garbage Is Interesting!
1. To master the new words and phrases
used, divide, pile, seat, lid, ton, duty
2. To learn about making use of garbage.
Learning objectives
Warm up
Do you have the habit of recycling old things
New words and expressions.
used
divide
pile
seat
lid
ton
duty
adj. 用过的；旧的；二手的
n. 盖子
n. 责任；义务
n. 吨
n. 堆；大量
n. 座位
v. 分开；分割
Fill in the blanks.
1. There are so many people on the bus. I can’t find a _______(座位) to sit on.
2. Last year Uncle Li sold his _______(用过的) car and bought a new one.
3. It’s our _______(责任) to keep our classroom clean.
4. Please _______ the cake _______(把……分成) eight parts.
5. Do you know how many _______(吨) the elephant weighs
seat
used
duty
divide into
tons
Think about it.
· Do you think garbage is interesting
· What have you done in a schoolyard clean-up
Read the lesson and fill in the table.
1
This week
On Tuesday
Later on Tuesday
They learned about pollution.
It was World Environment Day. All of their classmates took bags and picked up the garbage.
Brian, Danny and Jenny went for a walk around their neighbourhood. They picked up the rubbish. Danny found a used toy car with one broken wheel. He took it home, cleaned it and fixed it.
Read the lesson and fill in the table.
1
On Wednesday
Today
Later this month
They sorted their school’s garbage.
Danny made a car out of garbage.
They will go on a class trip to the city recycling centre.
Danny found a used toy car with one broken wheel.
丹尼发现了有一个坏轮子的旧的玩具汽车
【探究】
used意为“用过的；旧的；二手的”，在英语中常将动词的过去分词用作形容词，在句中作定语。
eg: He bought a used bike last week.
There is a used glass on the coffee table.
Language Points
我想买一台二手电脑。
I want to buy a ________ computer.
used
We put on gloves and divided the garbage into different piles: glass, metal, plastic, paper and everything else.
分开
【探究】
divide意为“分开；分割”，常和介词into搭配。
divide…into…意为“把……分成……”，后跟名词或代词。
divide…in half意为“把……分成两半”，相当于短语divide…into halves。
eg: This island is divided into two parts.
Let me divide the apple in half.
A year is _____ four seasons.( )
A. divide into B. divided into
C. divide to D. divided with
B
I think it’s our duty to protect the environment.
我认为保护环境是我们的职责。
【探究】
“It’s one’s duty to…”意为“……是某人的职责/义务”，it 为形式主语，动词不定式是真正的主语。
eg: As a teacher, it’s my duty to teach my students.
It’s everyone’s duty to save water.
【辨析】
It’s+adj.+for+sb.+to do sth. 意为“做某事对某人来说是……的”。其中形容词用来修饰物，如hard, easy, necessary, important, dangerous, possible等。
It’s+adj.+of+sb.+to do sth. 意为“某人做某事是……的”。其中形容词用来修饰人，如kind, good, right, clever, careless, foolish等。
eg: It’s important for you to do it.
It’s kind of you to give me a present.
It’s really _____ you not to tell your parents about the problems. Do you think you can solve them on your own ( )
smart of B. smart for
C. silly of D. silly for
C
It’s very kind _____ you to lend me your reus-able shopping bags.( )
A. of B. for
C. to D. with
A
Complete the dialogues using the phrases in brackets.
2
1. A: The schoolyard is dirty.(clean up)
B: ____________________________________________
2. A: There is too much garbage. (pick up)
B: ____________________________________________
3. A: What a sunny day! (go for a walk)
B: ____________________________________________
4. A: It’s cold outside! (put on )
B: ____________________________________________
Let’s clean it up.
Let’s pick it up.
Let’s go for a walk.
Please put on the coat.
Read the passage and answer the question.
3
“Hazardous” means dangerous. Some hazar dous waste is poison—it makes people sick. Some products explode or burn very easily. Hazardous things usually have these labels: “poison”, “caution”, “warning” or “danger”. What can we do about hazardous waste Buy less of it! And when you take out the garbage, don’t take out your hazardous waste. Hazardous waste in your garbage is bad for the environment. Why Because we usually bury or burn our garbage. This can make people and
Read the passage and answer the question.
3
the environment sick. Many countries have laws about hazardous waste. The laws don’t allow people to bury or burn hazardous waste with other garbage. Many cities in North America keep their hazardous waste in special places. Some have ways to burn it at very high temperatures: from 900 to 1100 degrees centigrade. Hazardous waste is buried two kilometres under the ground in some places. That’s deep!
Read the passage and answer the question.
3
Which of these is hazardous Tick the correct ones.
Battery
Paint
Glass
Box
Choose the correct answer.
1. It isn’t easy for us _____ English well.( )
A. learn B. learns
C. learning D. to learn
2. We made some hats _____ the waste materials.( )
A. into B. out
C. to D. out of
D
D
Choose the correct answer.
3. The earth _____ seven continents(洲).( )
A. was divided B. divided into
C. is divided into D. divide from
4. As a teacher, I really feel worried to see so many students _____ glasses.( )
A. wearing B. dressing
C. putting on D. being in
C
A
Fill in the blanks with correct forms of the words.
1. My father likes to collect old and ________(use) things which can remind him of the old days.
2. The children are ________(divide) into four groups to finish the task.
3. Mike likes reading and he has the ________(many) books in our class.
4. Thousands of ________(ton) of garbage are sent there every day.
5. He put on his coat and ________(go) for a walk with his dog.
used
divided
most
tons
went
Summary
used, divide, pile, seat, lid, ton, duty
It’s out duty to…
GOOD JOB
