PRACTICE
systems are economical to use.
tốt nghiệp,
for scholarship since his excellent graduation.
nadia
(heat)
1. Solar domestic heating
2. Nam has applied
(apply)
3. Solar energy is cheap, clean, and unlimited
(limited)
4. As we get older, our bodies become less efficient
at burning up calories.
Hot chay
(efficiency)
thick right
5. We must constantly adapt and innovate
to ensure success in a growing market.
6. People who innovate are called innovators
atos
(innovation)
(innovation)
7. Governments now take steps to control the amount of fossil fuels Consumption
Chính phủ
(consume)
(consume)
8. The electricity industry eon Aumes large amounts of fossil fuels.
9. Gas and oil consumption always increases in cold weather.
(consume)
in
10. Underwater electricity transmission has been successfully put into
several parts of the world.
effect
(affect)
11. His health was seriously affected and he suffered from constantly sleeping.
suy gấm
(affect)
12. I'm writing to you about a bad situation, which is
effecting
the lake near my school.
tint heavy
(affect)
13. Air, water, and oil can't be
• necessaly
to the survival of all living things.
the light bulb. It is broken.
(need)
14. We suggest te placing
(replacement)
15. The secret hasleaked
out.
(leak)
water pipes.
16. A plumber is a person who repairsaking
17. Our children are very et
(leak)
Vebergetic
boys and girls.
(energy)
18. There are
saving methods and inventions to use solar energy.
energy
(energize)
19. Let's learn how to spend money unwastefully and efficiently
(waste- efficient)
30

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