题目

It’s ________ most interesting story. But it isn’t ________most interesting one. A. the; the                    B; a; the                         C. the; a                     D. X; the 答案:B12.在平面直角坐标系中,设点P到原点O的距离为ρ,OP与x轴正方向的夹角为α,则用[ρ,α]表示点P的极坐标,显然,点P的极坐标与它的坐标存在一一对应关系.例如:点P的坐标为(1,1),则其极坐标为[$\sqrt{2}$,45°].若点Q的极坐标为[4,120°],则点Q的坐标为(  )A.$(-\right.2,2\sqrt{3}\left.{\;})$B.$(-2,-2\sqrt{3})$C.(2$\sqrt{3}$,2)D.(2,2)
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