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B:We can use …to…
coal
oil
wood
beautiful
rich 富有
messy and dirty
poor 可怜的、贫穷的
Protect the Earth
保护
Save water
Save energy
Save trees
Don't use
too much plastic
1
2
3
4
Q: How can we protect the Earth?
Listen to the tape, answer the questions:
1. What do you think of water?
2. What do we use water to do?
3. Is there a lot of water everywhere ?
5. What should we do?
4. What shouldn’t we do?
Water is useful.
We use water to clean things.
No, there is not much water.
We should reuse and save water.