Choose the best answer

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Ex IX: Choose the best answer
1. Emissions from vehicles have negative .......
A. tasks
.....on the environment.
C. benefits
D. problems
.a lot of carbon dioxide.
D. produces
2. Using non-renewable energy sources like coal, oil
A. makes
3. They.
A. have
B. effects
B. does
B. get
C. uses
.......solar panels on the roof of the house to catch the energy from the sun.
C. install
4. Wind is one type of ......
D. put
.source of energy.
........a big carbon footprint?
A. renewable B. expensive C. dangerous D. exhaustible
5. What things do they think might
A. take
B. put
C. carry
D. create
D. exhaustible
6. I think that using biogas is abundant and
A. limited
B. polluting C. cheap
7. Solar energy is plentiful and it can be.....
A. recycled
B. replaced C. reduced
.....easily.
D. reused
8. We install solar panels on our roof for the heating and.....
A. hot
B. cold
C. dirty
9. His brother is ...............cracks in the water pipes.
B. checking C. taking
.....water.
D. clean
A. having
D. producing
10. The teacher is
A. doing
B. taking
....a talk about how to save energy.
C. giving
D. making