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(共28张PPT)
The Earth
12
Module 4
The natural world
Period 2 (P82-P83)
Review
Earth
land
clean
ocean
Earth
forest
dirty
rubbish
throw
plastic
part
cut down
river
Ask and answer
What is it
What are the green parts
What are the brown parts
How about the blue parts
Your ideas
The Earth was very ______ and _________ in the past, but ____ some parts are _____.
clean
beautiful
now
dirty
Can we do anything to help the Earth
We should stop ...
Act it out
Five students a group, practise and act.
Describe the Earth
We live on the ______. The Earth is a ________ place. There are _____, _____, _____ and ______. There are
many different _____
and ________ too.
Look and read
We live on the Earth. The Earth is a beautiful place. There are rivers, oceans, land and forests. There are many different plants and animals too.
We live on the Earth.
live的含义：
live作动词，意为“住；居住”。
eg. My uncle lives in Beijing.
live作动词，意为“生存；活着”。
eg. Spiders can live for several days without food.
live的含义：
live作动词，意为“生活；过日子”。
eg. She lives a very peaceful life.
live作形容词，意为“活的”。
eg. —What’s this
—It’s a live fish.
Let’s watch and think
Why does the Earth get sick
Look and read
People, plants and animals need clean water and air.
① Sometimes people throw rubbish into
rivers and oceans.
Why does the Earth get sick
② Sometimes people cut down too many
trees.
Look and read
③ Smoke from cars and factories makes
the air dirty.
Why does the Earth get sick
The Earth gets sick.
The Earth gets sick.
此句用来描述某人生病了。
句中get是系动词，意为“变得，成为”，表示一种变化过程，强调逐渐变化，后面跟形容词作表语。
变得开心
变得美丽
变得富有
这位女演员越来越有名。
Let’s watch and think
What do people do to keep the Earth clean and healthy
Look and read
Now people work together to keep the Earth clean and healthy.
① They pick up rubbish.
What do people do
② They plant trees every year.
Look and read
③ They recycle glass and paper.
What do people do
④ They bring their own shopping bags and stop
using plastic bags.
Watch and follow
Look and read
We live on the Earth. The Earth is a beautiful place. There are rivers, oceans, land and forests. There are many different plants and animals too.
Look and read
People, plants and animals need clean water and air. Sometimes people throw rubbish into rivers and oceans. Sometimes people cut down too many trees. Smoke from cars and factories makes the air dirty. The Earth gets sick.
Look and read
Now people work together to keep the Earth clean and healthy. They pick up rubbish. They plant trees every year.
Look and read
They recycle glass and paper.They bring their own shopping bags and stop using plastic bags.
Take care of the Earth!
Make it a better place!
Free talk
The things we can do to help save the Earth.
1. Save water.
2. Save energy.
3. Ride bikes or use public transport.
Please remember: Little things can make a big difference.
Exercise
一、用所给词的适当形式填空。
1. There are rivers, _______(ocean), _____(land) and
________(forest) on the Earth.
2. There ________(be) any rubbish in that river
yesterday.
3. Look! The man __________(cut) down the tree by
the river.
oceans
land
forests
wasn’t
is cutting
二、按要求完成句子。
1. We should protect the Earth because it’s our home.
（对画线部分提问）
________ ________ you protect the Earth
2. We should stop using plastic bags.
（对画线部分提问）
________ ________ you ________ ________
Why
should
What
should
stop
doing
3. We shouldn’t waste water.（改为同义句）
We ________ ________ water.
We ________ ________ ________ water.
4. The green parts are forests.（改为一般疑问句）
________ the green parts ________
5. The man cut the big tree down.（改为否定句）
The man ________ ________ the big tree down.
should
save
Are
forests
didn’t
cut
should
stop
wasting
Summary
Words:
Sentences:
1. We live on the Earth.
2. The Earth gets sick.
get
live
Homework
听录音，熟读Look and read；
从身边的小事做起，和家长一起发现生活中能保护环境的方法。

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