一、听录音，选择所听到的单词填空。
1.Coal is useful.
2.There is not much water on Earth.
3.They should reuse the water.
4.I can use plastic to make a basket.
5.We shouldn’t cut down too many trees.
二、听录音，给下列句子排序。
1.I can reuse paper to make a box.
2.We should not waste water.
3.Earth Day is on 22nd April.
4.We should use paper bags and glass bottles.
5. World Environment Day is on 5th June.
三、听录音，给下列图片排序。
1.Wood comes from trees.
2.We shouldn’t use too many plastic bottles.
3.We shouldn’t drive so much.
4.The Earth is our home.
5.There isn’t much energy on Earth.
四、听录音，填入所缺的单词。
1.We use water to do many things.
2.There is not much clean water for us.
3.Oil is useful energy.
4.Can you drive a car?
5.Do you have other books?