英语4. Help save the Earth图文课件ppt

这是一份英语4. Help save the Earth图文课件ppt，共22页。PPT课件主要包含了START等内容，欢迎下载使用。

Are yu a friend f the Earth?Take this quiz.
Yu leave yur rm in the evening. What d yu d?
I leave the light n.
I turn ff the light befre I g ut.
Yu leave the light n. Yu waste energy.That’s bad fr the Earth.
Yu turn ff the light befre yu g ut. Yu save energy.That’s gd fr the Earth.
Yu are brushing yur teeth in the mrning. What d yu d?
I turn the tap ff.
I leave the tap n.
Yu turn the tap ff.Yu save water.That’s gd fr the Earth.
Yu leave the tap n. Yu waste water.That’s bad fr the Earth.
There are a lt f ld newspapers at yur hme. What d yu d?
I thrw the ld newspapers away.
I recycle the ld newspapers.
Yu thrw ld newspapers away.Yu waste paper.That’s bad fr the Earth.
Yu recycle ld newspapers. Yu save paper.That’s gd fr the Earth.
Yu g shpping. What d yu d?
I use a lt f new plastic bags.
I use my wn bag.
Yu use a lt f new plastic bags. That’s bad fr the Earth.
Yu use yur wn bag.That’s gd fr the Earth.
The air-cn is n. The temperature in the rm is 19°C. What d yu d?
I turn dwn the air-cn.
I turn up the air-cn.
Yu turn dwn the air-cn.Yu save energy.That’s gd fr the Earth.
high cl lw cl
Yu turn up the air-cn.Yu waste energy.That’s bad fr the Earth.
lw cl high cl
When yu write n a piece f paper, what d yu d?
I write n ne side nly.
I write n bth sides.
Yu use paper n ne side nly.That’s bad fr the Earth.
Yu use paper n bth sides.That’s gd fr the Earth.
Are yu a friend f the Earth?What can yu d t help save the Earth? Discuss with yur friends.