Unit7 Protect the Earth 第2课时 课件(共14张PPT)

(共14张PPT)
Let's guess.
We can use it to make bottles and bags.
We can call coal and oil.
We drink it every day.
We can see it in rivers and lakes.
They are green.
We can see them in the forest.
What should we do to protect the Earth
save water
save energy
save trees
don't use too much plastic
Let's talk.
We should …
We shouldn’t …
Let's read.
We should not waste water.
We should save trees.
We should use paper bags and glass bottles.
We should not drive so much.
We should not use too many plastic bags or bottles.
We should not cut down too many trees.
Learning requirement:
小组内朗读、感知体验语法规则。
Read in groups and try to find the rules.
Let's find.
should/should not do sth.
Let's survey.
1.组内调查
2.根据调查结果，用
We should.../We should not....来表达。
1. Do you waste water
Yes. No.
2. Do you often write on both sides（面）of paper
Yes. No.
3. Do you often go to school
by car
Yes. No.
4. Do you often use paper
bags or glass bottles.
Yes. No.
Let's use .
We use wood to
We use paper to
make paper.
make paper bags.
Let's talk .
_____is useful.
Let's find .
感知体验语法规则。Try to find the rule.
use sth. to do sth.
Let's make.
Save energy
Dear friends:
Energy is very useful. We ____energy____
light our city. We______________________
Most energy comes from coal and oil. But there is not much coal or oil on Earth.
We should not____________________
_____________________________________
We should ________________________
______________________________________
Save energy! Start from me!
Save energy! Start from now!
____________
Let's make.
Let's reuse.
Let's try.
How can we reuse things
We can reuse ___ to make_____.