一、听音，为图片排序。
　　　　　　　　

34512

二、听音，选回答。
()1. A. Because many resources are running out.
B. Because using energy is bad for our Earth.
()2. A. That's right. B. Sure.
()3. A. We can use LED lighting. B. We can take quick showers.
()4. A. Yes, it is. B. Great! This will save more energy.
()5. A. We can change our energy use. B. We can't use energy.

1. A 2. B 3. B 4. B 5. A

三、听Julia的汇报，选答案，把序号填写在表格的相应位置。

A. turn off the lights and the fans
B. take a quick shower
C. use both sides of paper
D. wash the dirty clothes together
E. bring your own bags
F. walk or ride a bike

At school: AC At home: BD Other places: EF

四、听音,判断对(√)错(×)。
()1. They are talking about saving energy.
()2. They will follow the "3R" rules.
()3. After we wash fruit and vegetables, we can reuse the water.
()4. They think it's too late to change.

1. √ 2. √ 3. √ 4. ×