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16....
.source of energy is the source that can't be replaced after use.
A.effective
B.Non-renewable C.Renewable
D.natural
A
C
D
17.At this time next week we.. .to work to support the air pollution cutting down
campaign.
A.are cycling
B.will be cycling C.will cycle
D.will be cycled
A
В
C
D
18.We should put... .on the roof of the house for the heating and hot water.
A.equipment
B.cracks
C.6olar energy
D.solar panels
A
В
C
19.What should we do to...... .electricity?
A.take
B.save
C.cut
D.waste
A
В
D
20.We are looking for cheap, clean and..
A.serious
.sources of
energy.
D.efficient.
B.dangerous
C.effective
A
В
C
D
10/04/22 07:54
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