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Contoh Teks Discussion & Jawaban (updated)

Will solar energy ever be a main source of energy for industrial societies? Solar energy is cheaper than any fossil fuel because we can get an abundant source of energy from the sun.

In sunny deserts, the sun’s radiation that reaches the ground can be used to produce electricity for industries and homes. In one experiment, solar ponds can produce hot water to drive generators.

Unfortunately, we can’t power our homes entirely on sunlight. Solar energy can only be exploited in bright light. Its great potential, therefore, is in countries that have clear skies for most of the year. Most houses, however, are not in the sunniest part of the world. In addition, to convert sunlight directly into electricity, solar cells are needed. Although they are very cheap to run, relatively they are expensive to buy and many people can’t afford them.
(Soal UN SMA/MA IPA 2011/2012)

1. Which of the following can produce hot water to drive generators?
A. Solar car
B. Solar cells
C. Solar ponds
D. Solar heating
E. Solar batteries

Pembahasan: Jawaban ada di paragraf 2 "In one of the experiments, solar ponds can produce hot water to drive generators."

2. Which of the following statements does not agree with the text?
A. Solar energy can only be harnessed in bright sunlight
B. Solar energy is cheaper than any other fossil fuel
C. Solar energy is non-polluting
D. Solar ponds produce hot water to drive generators
E. The main important device to harness solar energy is cheap

Pembahasan: In addition, to convert sunlight directly into electricity, solar cells are needed. Although they are very cheap to run, relatively they are expensive to buy and many people can’t afford them. [last paragraph]

3. From the text, we know that
A. Converting solar energy into electricity is expensive
B. Solar energy generators can be found in most houses
C. It is easy to convert solar energy into electricity
D. The potential source of solar energy can only be found in desert areas
E. Most of people in bright sunny areas use solar energy
Muhammad Ahkam Arifin
Muhammad Ahkam Arifin Muhammad Ahkam Arifin is a Fulbright PhD student at Washington State University, US. He earned a master`s degree in TESOL from the University of Edinburgh & Applied Linguistics from the University of Melbourne.

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