이를 깨끗하게 닦을 때 사용하는 물건은 무엇입니까?
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정답: C. 치약
How to solve: The question asks what object is used to clean teeth. Among the choices, '치약' (toothpaste) is the correct item for brushing teeth.
Choice analysis (EN):
A — '비누' is soap, used for washing hands or body.
B — '샴푸' is shampoo, used for washing hair.
C — '치약' is toothpaste, used for brushing teeth.
D — '수건' is a towel, used for drying.
치약을 ________ 에 묻혀 이를 닦습니다. 빈칸에 들어갈 가장 알맞은 말은 무엇입니까?
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정답: B. 칫솔
How to solve: The sentence describes an action related to toothpaste. To brush teeth with toothpaste, you need a '칫솔' (toothbrush).
Choice analysis (EN):
A — '컵' is a cup, used for drinking or rinsing.
B — '칫솔' is a toothbrush, which is used with toothpaste to brush teeth.
C — '휴지' is tissue, for wiping.
D — '비누' is soap, for washing.
우리는 매일 치약으로 이를 ________ . 빈칸에 들어갈 동사로 가장 알맞은 것은 무엇입니까?
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정답: C. 닦습니다
How to solve: The sentence talks about a daily action involving toothpaste and teeth. The verb '닦습니다' (brush/clean) is the appropriate action for teeth with toothpaste.
Choice analysis (EN):
A — '먹습니다' means to eat. You don't eat teeth with toothpaste.
B — '마십니다' means to drink. You don't drink teeth with toothpaste.
C — '닦습니다' means to brush or clean, which is the correct action for teeth with toothpaste.
D — '읽습니다' means to read. You don't read teeth with toothpaste.
치약으로 양치질을 하면 입안이 ________ . 빈칸에 들어갈 형용사로 가장 알맞은 것은 무엇입니까?
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정답: D. 상쾌합니다
How to solve: The question asks for the feeling in the mouth after brushing teeth with toothpaste. '상쾌합니다' (refreshing) is the most suitable adjective.
Choice analysis (EN):
A — '시끄럽습니다' means noisy, not related to a feeling in the mouth after brushing.
B — '뜨겁습니다' means hot, which is not the typical feeling after brushing.
C — '답답합니다' means stuffy or frustrating, which is unrelated to brushing teeth.
D — '상쾌합니다' means refreshing, which is a common and appropriate feeling after brushing teeth.
치약은 ________ 예방에 도움을 줍니다. 빈칸에 들어갈 가장 알맞은 말은 무엇입니까?
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정답: B. 충치
How to solve: The question asks what toothpaste helps prevent. Toothpaste is commonly known for preventing '충치' (cavities).
Choice analysis (EN):
A — '감기' is a cold or flu, which toothpaste does not prevent.
B — '충치' is a cavity, which toothpaste is effective in preventing.
C — '두통' is a headache, which toothpaste does not prevent.
D — '졸음' is drowsiness, which toothpaste does not prevent.
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