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light upthe region of brain associate with tool use lights up region 英语 Light is (o) to shadow Light light light Light light region是什么意思? Sydney region southi region region是什么意思? Light,light, region-by-region什么意思?如题 SAT2物理题,涉及光Of thefollowing observable phenomena,which can be explained by using the wave model of light,but not the particle model?(C)A region receiving light from two small coherent sources can have points of zero intensity of light.(E)L 一道简单的不等式数学题（英文好的进!）4.The region of the xy plane that satisfies y > x^2 or y > 0 is(A) a circle (B) a square (C) the region of the plane bounded by a parabola (D) a crescent-shaped region in the plane (E) the half o Room 2,West Region Region PD是什么职位