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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 จับคปู ระโยคตอ ไปนี้

_____ 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.