[문제]
Choose one that is different from the other three in categories.
a : economies
b : track
c : geography
d : history
=> economies, geography, and history are social studies.
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[문제]
What is the scientific study of forces such as heat, light, sound, pressure, gravity, and electricity, and the way that they affect objects?
a : chemistry
b : biology
c : earth science
d : physics
=> 열, 빛, 소리, 전기 등에 대해 배우고 연구하는 것은 물리이다.
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[문제]
What is the branch of mathematics that is concerned with calculating the angles of triangles or the lengths of their sides?
a : algebra
b : calculus
c : geography
d : trigonometry
=> 삼각형의 각이나 변을 계산하는 등의 수학 과목은 삼각함수이다.
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출처 : YBM 학습메일