题目

Don't worry.There is _____ wrong with the TV set.It's only because of power cut. A.something B.nothing     C.anything    D.everything 答案:B平面直角坐标系中,过点A(1,2)作直线l与x轴正半轴、y轴正半轴分别交于B、C点,若△BOC(O为坐标原点)的面积为4,则这样的直线有(  ) A、0条B、1条C、2条D、3条
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