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4. Many countries learned to save their ____(5)_____ by turning lights and machines

off when not being used.

5. We use about five gallons to seven gallons of water every time to _____(6)______

the toilet.

6. In order to keep enough energy for everyone we must ____(7)_____ the ways we

use energy today

กิจกรรมที่ 2 Match the following sentences จับคูประโยคตอไปนี้

_____ 1. Don’t leave lights on when no one A. Use the broom instead of a hose to

is in the room. If you are going to clean off the driveway or deck.

be out of the room for more than B. Turn off the light.

five minutes ………………… C. Buy rechargeable and a recharger.

_____ 2. You should use less hot water. D. Take shorter showers.

Water heaters account for nearly

¼ of your home energy use.

_____ 3. If you have only a small lawn,

think about getting a manual push

mower. It doesn’t use energy

except your own. Pushing the

mover spins the rotating wheels

which spins the cutter. What a

good exercise.

_____ 4. Batteries that are thrown away

produce heavy metals. These

metals are toxic and can be

harmful to human and wildlife.