많은 사람들이 모여 행사를 하거나 쉬는 넓은 공간은 무엇이라고 할까요?
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정답: C. 광장
How to solve: The question asks for a wide space where many people gather for events or to rest. '광장' (gwangjang) means a public square or plaza, which fits this description perfectly.
Choice analysis (EN):
A — '공원' (gongwon) means a park, which is a place for rest but not always for large public events in the same way a '광장' is.
B — '운동장' (undongjang) means a sports field or playground, primarily used for physical activities.
C — '광장' (gwangjang) is a public square or plaza, a common place for gatherings, festivals, and public activities.
D — '골목' (golmok) means an alley or a narrow street, which is the opposite of a wide space for gatherings.
모든 변의 길이가 같고 네 각이 모두 직각인 도형은 무엇입니까?
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정답: C. 정사각형
How to solve: The question describes a geometric shape where all sides are equal in length and all four angles are right angles (90 degrees). This is the definition of a '정사각형' (jeongsagakhyeong), a perfect square.
Choice analysis (EN):
A — '세모' (semo) means a triangle.
B — '원' (won) means a circle.
C — '정사각형' (jeongsagakhyeong) is a square, which has four equal sides and four right angles.
D — '직사각형' (jiksagakhyeong) is a rectangle. It has four right angles, but its sides are not necessarily all equal (only opposite sides are equal).
이 그림은 ( ) 모양이에요. 창문처럼 생겼어요.
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정답: B. 네모난
How to solve: The sentence says the picture looks like a window. Windows are typically square or rectangular. '네모난' (nemonan) means square-shaped or rectangular-shaped.
Choice analysis (EN):
A — '동그란' (donggeuran) means round.
B — '네모난' (nemonan) means square-shaped or rectangular-shaped. This fits the description of a window.
C — '길쭉한' (giljjukhan) means long and slender.
D — '둥근' (dunggeun) means round or circular.
어떤 수에 같은 수를 한 번 더 곱하는 것을 무엇이라고 합니까? 예를 들어, 2 곱하기 2는 2의 ( )입니다.
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정답: C. 제곱
How to solve: The question asks for the term used when a number is multiplied by itself (e.g., 2 x 2). This mathematical operation is called 'squaring' or '제곱' (jegop) in Korean.
Choice analysis (EN):
A — '합' (hap) means sum or addition.
B — '곱' (gop) means product or multiplication.
C — '제곱' (jegop) means square (as in 2 squared = 4). This correctly describes multiplying a number by itself.
D — '나누기' (nanugi) means division.
옛날에는 궁궐 앞에 큰 ( )이 있어서 왕이 백성들을 만났습니다.
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정답: D. 광장
How to solve: The sentence talks about a large space in front of the palace where the king met the people. A '광장' (gwangjang), meaning a public square or plaza, serves this purpose in front of historical buildings like palaces.
Choice analysis (EN):
A — '시장' (sijang) means a market, which is primarily for buying and selling goods.
B — '길' (gil) means a road or street, not typically a large open space for public gatherings in front of a palace.
C — '강' (gang) means a river.
D — '광장' (gwangjang) refers to a public square or plaza, which historically served as a place for rulers to address the public or for public ceremonies in front of palaces.
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