우리 동네에 태양 빛으로 ( )를 만드는 발전소가 생겼어요.
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정답: A. 전기
How to solve: The sentence is about a '발전소' (power plant) that uses '태양 빛' (sunlight). Power plants are facilities that generate electricity. Therefore, the word that fits in the blank is '전기' (electricity).
Choice analysis (EN):
A — Correct. '전기' means electricity. Solar power plants generate electricity from sunlight.
B — Incorrect. '가구' means furniture. Furniture is not made from sunlight in a power plant.
C — Incorrect. '음식' means food. While plants make energy from the sun, a power plant does not produce food.
D — Incorrect. '옷' means clothes. Clothes are not made from sunlight.
바람이 많이 부는 곳에서는 바람의 힘으로 ( )를 돌려서 전기를 만들어요.
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정답: B. 풍차
How to solve: The sentence describes generating electricity using the '바람의 힘' (power of the wind). The object that is turned by the wind to make electricity is a '풍차' (windmill).
Choice analysis (EN):
A — Incorrect. '자동차' means car. A car is not turned by the wind to generate electricity.
B — Correct. '풍차' means windmill. Windmills are used to generate power from the wind.
C — Incorrect. '시계' means clock. A clock tells time and is not related to wind power generation.
D — Incorrect. '문' means door. A door is not used to generate electricity from wind.
재생 에너지를 사용하면 환경을 ( ) 수 있어요.
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정답: C. 보호할
How to solve: The sentence says, 'If we use renewable energy, we can ( ) the environment.' Using renewable energy is a positive action for the environment. The most suitable verb is '보호하다' (to protect). The form needed is '보호할'.
Choice analysis (EN):
A — Incorrect. '버리다' means to throw away. It doesn't make sense to 'throw away the environment'.
B — Incorrect. '잊다' means to forget. It doesn't make sense to 'forget the environment'.
C — Correct. '보호하다' means to protect. Renewable energy helps protect the environment.
D — Incorrect. '만지다' means to touch. While you can touch parts of the environment, this verb doesn't fit the context of the positive impact of renewable energy.
태양 에너지는 ( ) 에너지라서 환경에 좋아요.
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정답: C. 깨끗한
How to solve: The sentence explains why solar energy is good for the environment. The reason is that it is a '( ) energy'. Renewable energy sources like solar are known for being clean. Therefore, '깨끗한' (clean) is the correct adjective.
Choice analysis (EN):
A — Incorrect. '더러운' means dirty. Solar energy is the opposite of dirty energy.
B — Incorrect. '시끄러운' means noisy. This is not the primary reason solar energy is good for the environment.
C — Correct. '깨끗한' means clean. Clean energy is a major benefit for the environment.
D — Incorrect. '무거운' means heavy. This adjective does not describe a type of energy.
우리는 나쁜 공기를 ( ) 위해 새로운 에너지가 필요해요.
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정답: B. 줄이기
How to solve: The sentence states that we need new energy for the purpose of '( ) bad air'. The goal of using new, clean energy is to reduce pollution and bad air. The verb '줄이다' (to reduce, to decrease) fits this context. The grammatical form needed is '-기 위해', so it becomes '줄이기 위해'.
Choice analysis (EN):
A — Incorrect. '늘리기' means 'to increase'. We want to decrease bad air, not increase it.
B — Correct. '줄이기' means 'to reduce'. The purpose of new energy is to reduce air pollution.
C — Incorrect. '마시기' means 'to drink'. You cannot drink air.
D — Incorrect. '사기' means 'to buy'. It does not make sense to 'buy bad air' in this context.
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