TOPIK Practice – TOPIK I 어휘 [어휘] 1–5 (10/30/2025) – rare earth minerals

정답: A. 중요한

How to solve: The sentence states that rare earth minerals are a resource 'needed to make smartphones'. You need to choose an adjective that describes such a resource. 'Important' (중요한) is the most logical choice.

A — Correct. '중요한' means 'important'. A resource needed for smartphones is an important resource.

B — Incorrect. '재미있는' means 'fun' or 'interesting'. A resource is not typically described as fun.

C — Incorrect. '맛있는' means 'delicious'. Minerals are not something you eat.

D — Incorrect. '시끄러운' means 'noisy'. A resource cannot be noisy.

정답: B. 제품

How to solve: The sentence says, 'Rare earth minerals are used in various electronic ( )'. The word '전자' means 'electronic'. You need to find a noun that logically follows 'electronic'. '전자 제품' (electronic products) is a common phrase.

A — Incorrect. '음식' means 'food'. 'Electronic food' does not make sense.

B — Correct. '제품' means 'products'. '전자 제품' means 'electronic products', which is a correct usage.

C — Incorrect. '옷' means 'clothes'. 'Electronic clothes' is not a common context for rare earth minerals.

D — Incorrect. '동물' means 'animals'. 'Electronic animals' does not make sense.

정답: C. 찾는

How to solve: The sentence structure is '(Verb)-ing rare earth minerals from the ground is difficult.' You need a verb related to getting something from the ground. '찾다' means 'to find' or 'to look for', which fits the context of mining or extracting minerals.

A — Incorrect. '그리는 것' means 'drawing'. You don't draw minerals from the ground.

B — Incorrect. '읽는 것' means 'reading'. You don't read minerals.

C — Correct. '찾는 것' means 'finding'. It is difficult to find (or extract) rare earth minerals from the ground.

D — Incorrect. '마시는 것' means 'drinking'. You don't drink minerals.

정답: B. 가격

How to solve: The sentence says, 'Because the amount of rare earth minerals is small, the ( ) is expensive.' The word '비쌉니다' means 'is expensive'. You need to choose a noun that can be described as expensive. '가격' (price) is the only logical option.

A — Incorrect. '이름' means 'name'. A name cannot be expensive.

B — Correct. '가격' means 'price'. If something is rare, its price is expensive.

C — Incorrect. '색깔' means 'color'. A color is not described as expensive.

D — Incorrect. '냄새' means 'smell'. A smell cannot be expensive.

정답: C. 모터

How to solve: The sentence says, 'Rare earth minerals are needed when making the ( ) of an electric car.' You need to identify a part of an electric car that uses rare earth minerals. Rare earth magnets are crucial for high-performance electric motors.

A — Incorrect. '창문' means 'window'. Windows are typically made of glass.

B — Incorrect. '바퀴' means 'wheel'. Wheels are typically made of rubber and metal alloys, not rare earths.

C — Correct. '모터' is the Korean word for 'motor'. Electric car motors often use strong magnets made from rare earth minerals.

D — Incorrect. '의자' means 'seat' or 'chair'. Seats are made of fabric, leather, and foam.