一、我们应注意节省能源。听一听,选出与所听内容相符的图片。
(
B.
(
B.
(
B.
(
B.
(
B.
(
A
) 1. A. (
B
) 2. A. (
B
) 3. A. (
A
) 4. A. (
B
) 5. A. 答案
1. A 2. B 3. B 4. A 5. B
二、同学们正在讨论“3R”规则。听一听,将听到的句子归类到对应的规则下(只填序号)。

答案
1. AD 2. C 3. BE
三、同学们正在学习环保知识。听一听,将下列句子重新排序。
(
(
(
(
(
(
2
) Wash all your dirty clothes together, not one at a time.(
4
) We can use LED lighting.(
1
) Small changes can make a big difference.(
5
) Wind power, solar power and water power are types of green energy.(
3
) Running water can make electricity.答案
1. 2 2. 4 3. 1 4. 5 5. 3
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