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1、2015-2016学年山东省德州市夏津县九年级（上）期末数学试卷 一、选择题（每小题3分，共36分）1．下列事件是必然事件的为（ ）A．明天太阳从西方升起B．掷一枚硬币，正面朝上C．打开电视机，正在播放“夏津新闻”D．任意一个三角形，它的内角和等于180 2．一元二次方程x2﹣2x=0的根是（ ）A．x1=0，x2=﹣2B．x1=1，x2=2C．x1=1，x2=﹣2D．x1=0，x2=2 3．二次函数y=（x﹣1）2+2的图象可由y=x2的图象（ ）A．向左平移1个单位，再向下平移2个单位得到B．向左平移1个单位，再向上平移2个单位得到C．向右平移1个
2、单位，再向下平移2个单位得到D．向右平移1个单位，再向上平移2个单位得到 4．如图，在△ABC中，DE∥BC，AD=6，DB=3，AE=4，则EC的长为（ ）A．1B．2C．3D．4 5．如图，在⊙O中，直径CD⊥弦AB，则下列结论中正确的是（ ）A．∠C=∠BODB．AC=ABC．∠C=∠BD．∠A=∠BOD 6．如图，点P是▱ABCD边AB上的一点，射线CP交DA的延长线于点E，则图中相似的三角形有（ ）WangDepartmentresponsibleforthepro-democracymovementtheHanChangYanTomb.He
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