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정답: A. 배터리
How to solve: Identify the word that represents the primary power source for an electric bicycle, differentiating it from a regular bicycle.
Choice analysis (EN):
A — Correct. An electric bicycle uses a battery (배터리) for power, unlike a regular bicycle.
B — Incorrect. Wheels (바퀴) are common to both electric and regular bicycles.
C — Incorrect. A saddle (안장) is common to both electric and regular bicycles.
D — Incorrect. Handlebars (핸들) are common to both electric and regular bicycles.
전기 자전거를 타기 전에 ◯◯◯를 꼭 해야 합니다.
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정답: B. 충전
How to solve: Choose the action that is essential for an electric bicycle to function, particularly concerning its battery.
Choice analysis (EN):
A — Incorrect. Cleaning (청소) is for maintenance, not a prerequisite for riding.
B — Correct. Before riding an electric bicycle, you must charge (충전) its battery.
C — Incorrect. Assembling (조립) is done once when the bicycle is new, not before every ride.
D — Incorrect. Repairing (수리) is done when something is broken, not as a regular preparatory step.
전기 자전거는 언덕을 오를 때 힘이 덜 들어서 아주 ◯◯◯합니다.
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정답: C. 편리
How to solve: Consider the benefit of requiring less effort when climbing hills with an electric bicycle and choose the word that describes this advantage.
Choice analysis (EN):
A — Incorrect. Complex (복잡) does not describe the experience of less effort.
B — Incorrect. Inconvenient (불편) is the opposite of requiring less effort.
C — Correct. Requiring less effort, especially on hills, makes the electric bicycle very convenient (편리).
D — Incorrect. Dangerous (위험) is not implied by less effort, though safety depends on other factors.
전기 자전거는 휘발유를 사용하지 않아 ◯◯ ◯◯◯입니다.
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정답: C. 친환경적
How to solve: Think about the implication of not using gasoline and how it relates to the environment.
Choice analysis (EN):
A — Incorrect. While electric bikes are generally quieter than gasoline vehicles, 'noisy' (시끄럽다) is not the primary characteristic related to not using gasoline.
B — Incorrect. While some electric bikes can be expensive (비싸다), this is not directly related to the fact that they don't use gasoline in terms of their operational benefit.
C — Correct. Not using gasoline makes electric bicycles environmentally friendly (친환경적).
D — Incorrect. Being slow (느리다) is not a direct consequence of not using gasoline; electric bikes can have various speeds.
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정답: D. 이동
How to solve: Identify the primary purpose of a bicycle in general, and an electric bicycle specifically, in terms of getting from one place to another.
Choice analysis (EN):
A — Incorrect. Accommodation (숙박) is for sleeping or staying, not for transportation.
B — Incorrect. Meals (식사) are for eating, not for transportation.
C — Incorrect. While riding a bike can be a form of exercise (운동), its fundamental purpose is transportation.
D — Correct. People use electric bicycles as a means of movement or transportation (이동 수단) to travel from one place to another.
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