题目

 My wife _______ some Korean（韩语）words when she watched the Korean TV plays in the summer holidays.    A. picked up    B. took up     C. made up   D. turned up 答案：A函数y=的图象如图，则（ ）A．k=，ω=，φ=B．k=，ω=，φ=C．k=-，ω=2，φ=D．k=-2，ω=2，φ=