(共19张PPT)
Unit 2 Topic 3
What can we do at home to protect the environment
Section D
Learning objectives
1. Some words: dry
2. Some phrases: provide sth. to do sth.; face difficulties; even though
3. Some sentences:
(1)Without them, it cannot breathe.
(2)They plant different types of trees so that birds and animals can live in the forests.
4. Use the compound sentence correctly.
5.Realize the importance of the forest.
Grammar
Compound Sentence
Recycling can protect the environment, _______ it can save money, too.
Some things we have done are good for the earth _________ some are bad.
We should do everything to protect it, ________ we’ll be punished and lose our home.
…people produce power from coal, _______ it is very dirty and causes acid rain .
and
while
or
but
Let’s challenge!
1. Help others whenever you can _____ you’ll make the world a nicer place to live in.
A. or B. and C. but D. while
B
Let’s challenge!
2. Cross the road carefully, ________ you’ll keep yourself safe .
A. so B. or C. but D. and
D
Let’s challenge!
3. Hurry up, ________ you’ll be late for the concert .
A. or B. so C. but D. and
A
4. I always enjoy visiting London, ______ I wouldn’t like to live there.
A. because B. so C. but D. and
C
Functions
1.你想要成为一名环保人士吗？
2.首先，当你离开房间的时候你应该关掉电源。
3.说比做容易。
4.行动胜于言辞。
5.火车最高速度可以达到一小时441千米。
Would you like to be a green person
First, you ought to shut off the electricity when you leave a room.
Easier said than done.
Action speak louder than words.
The train can reach a top speed of 431 km per hour.
New words
New words
planter
dry
insect
sunlight
steam
replace
remove
bite
wave
Plant trees
Free talk
How important is the forest
Read the dialogue and answer the following questions.
How do you understand “Forests are the lungs of the earth”
What difficulties do tree planters face when they plant trees
Why do they plant different kinds of trees
What will happen if we do not plant new forests
Would you like to be a tree planter when you are older Why or why not
Read the dialogue and answer the following questions.
How do you understand “Forests are the lungs of the earth”
What difficulties do tree planters face when they plant trees
Why do they plant different kinds of trees
Forests can remove carbon dioxide from the air and make oxygen.
(1)The weather may be very hot and dry or it may be very cold and wet.
(2)There are often many insects that bite these planters on their legs, arms, and faces while they work.
(3)They carry heavy bags of small trees, and working in the mountains can be dangerous.
They plant different types of trees so that birds and animals can live in the forests.
Read the dialogue and answer the following questions.
What will happen if we do not plant new forests
Would you like to be a tree planter when you are older Why or why not
The forests will become less and less.We cannot breathe without them.
Listen and follow
Forests are the lungs of the earth. Without them， it cannot breathe. It needs its forests to remove carbon dioxide from the air and to make oxygen. In many countries， such as New Zealand， Canada， and Brazil，forests were cut down to provide wood to build houses. Many young volunteers around the world are working in their holidays to plant new trees to replace them.
These young men and women face many difficulties when they plant new trees. The weather may be very hot and dry or it may be very cold and wet. There are often many insects that bite these planters on their legs,arms,and faces while theywork. They carry heavy bags of small trees,and working in the mountains can be dangerous.
Tree planters are changing the world. They plant different types of trees so that birds and animals can live in the forests. Even thoush tree planting is very difficult,they love their work. They believe that in 50 years their little trees will become beautiful forests.
Language points
Forests are the lungs of the earth. Without them， it cannot breathe. It needs its forests to remove carbon dioxide from the air and to make oxygen. In many countries， such as New Zealand， Canada， and Brazil，forests were cut down to provide wood to build houses. Many young volunteers around the world are working in their holidays to plant new trees to replace them.
These young men and women face many difficulties when they plant new trees. The weather may be very hot and dry or it may be very cold and wet. There are
例如
砍倒、削减
全世界
Language points
often many insects that bite these planters on their legs,arms,and faces while they work. They carry heavy bags of small trees,and working in the mountains can be dangerous.
Tree planters are changing the world. They plant different types of trees so that birds and animals can live in the forests. Even though tree planting is very difficult,they love their work. They believe that in 50 years their little trees will become beautiful forests.
危险的
以便、为了
即使、尽管
Read and remember
such as 例如
cut down 砍倒、削减
around the world 全世界
dangerous 危险的
so that 以便、为了
even though 即使、尽管
THANK YOU
