요즘 세계적으로 ___________가 심각한 문제입니다.
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정답: A. 기후 변화
How to solve: The sentence states that something is a serious problem worldwide. '기후 변화' (climate change) fits this context as a global issue.
Choice analysis (EN):
A — '기후 변화' (climate change) correctly completes the sentence, as climate change is a severe global issue.
B — '경제 성장' (economic growth) is generally considered positive, not a 'serious problem'.
C — '문화 교류' (cultural exchange) is not described as a 'serious problem'.
D — '기술 발전' (technological development) is typically seen as progress, not a 'serious problem'.
자동차나 공장에서 나오는 ___________는 지구 온난화의 주요 원인입니다.
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정답: B. 온실가스
How to solve: The sentence explains that something coming from cars and factories is a major cause of global warming. '온실가스' (greenhouse gas) is the appropriate term.
Choice analysis (EN):
A — '깨끗한 물' (clean water) is not a cause of global warming.
B — '온실가스' (greenhouse gas) is a primary cause of global warming, emitted by cars and factories.
C — '신선한 공기' (fresh air) is not a cause of global warming; rather, air pollution from these sources leads to it.
D — '건강 식품' (health food) is unrelated to global warming.
북극의 얼음이 녹고 해수면이 높아지는 것은 ___________ 때문에 생기는 현상입니다.
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정답: B. 지구 온난화
How to solve: The sentence describes phenomena like melting ice in the Arctic and rising sea levels, asking for the cause. '지구 온난화' (global warming) is the direct cause of these events.
Choice analysis (EN):
A — '일기 예보' (weather forecast) is a prediction, not a cause of environmental phenomena.
B — '지구 온난화' (global warming) is the correct term for the phenomenon causing ice melting and sea-level rise.
C — '우주 여행' (space travel) is unrelated to melting ice and rising sea levels.
D — '세계 유산' (world heritage) refers to cultural or natural sites, not a cause of climate change effects.
전기를 아끼고 대중교통을 이용하는 것은 ___________을 위한 좋은 방법입니다.
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정답: B. 에너지 절약
How to solve: The sentence mentions saving electricity and using public transportation, which are actions related to conserving resources. '에너지 절약' (energy saving) best describes these actions.
Choice analysis (EN):
A — '시간 낭비' (wasting time) is the opposite of the positive actions described.
B — '에너지 절약' (energy saving) is the correct term for actions like saving electricity and using public transport to reduce energy consumption.
C — '물가 상승' (price increase) is an economic phenomenon, not a goal or outcome of these actions.
D — '건강 관리' (health management) is not directly related to saving electricity or using public transport, although the latter can contribute to reducing air pollution.
쓰레기를 아무데나 버리면 ___________이 심해집니다.
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정답: A. 환경 오염
How to solve: The sentence describes the negative consequence of littering. '환경 오염' (environmental pollution) is the direct result of throwing trash anywhere.
Choice analysis (EN):
A — '환경 오염' (environmental pollution) is the correct consequence of littering.
B — '생활 편의' (life convenience) would not be worsened by littering; rather, it would make life less pleasant.
C — '관광 명소' (tourist attraction) is unrelated to the act of littering, although littering can damage a tourist attraction.
D — '사회 복지' (social welfare) is a broader societal concept and not the direct result of individual acts of littering.
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