I Listen and judge.（听录音，判断所听内容是“√”否“×”与图片相符。）
()1. ()2. ()3.
()4. ()5.

1. × 2. √ 3. × 4. √ 5. √

Ⅱ. Listen and choose.（听录音，选择正确的答案。）
()1. What does Lucy think of electricity?
A. It's interesting.
B. It's important.
C. It's dangerous.
()2. How many ways of saving energy does Tom mention?
A. Two.
B. Three.
C. Four.
()3. Which is NOT a way to save electricity according to Tom?
A. Keep the computer on all the time.
B. Turn off the lights.
C. Turn off the TV when no one is watching it.
()4. Why is electricity important according to Lucy?
A. Because it is cheap.
B. Because it makes life fun.
C. Because it makes life and work easy.
()5. Where does this dialogue（对话）most probably take place?
A. At home.
B. In a shop.
C. At school.

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

Ⅲ. Read and choose.（读一读，选出与描述相符的句子。 其中有两项多余。）
Our school has a new rule about energy: “Save Energy; Save Our Future! ” Here's how you can help:
1. . Turn off the lights when you leave the classroom.
2. . Don't leave the water running when you wash your hands.
3. . Use both sides of paper and recycle（回收利用）used paper.
4. . Choose stairs（楼梯）instead of the elevator（电梯）if you can.
5. . Unplug our computers when they are not in use.
A. Save water by turning off the tap（水龙头）when you don't need it.
B. Draw on the walls to make the school beautiful.
C. Save electricity by turning off lights after class.
D. Always put rubbish in the bin.
E. Save energy by taking stairs.
F. Save paper and share old books.
G. Save electricity by unplugging electronics（电子设备）after use.

1. C 2. A 3. F 4. E 5. G