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Created with an evaluation copy of Aspose.Words. To discover the full versions of our APIs please visit: :products.asposewords
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2015合肥二模(生物部分) Created with an evaluation copy of . To discover the full versions of our APIs please visit: :
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安徽省合肥市2010年高三年级第一次教学质量检测物 理 试 题一选择题(每小题4分共40分)第小题给出的四个选项中只有一个选项正确1.关于电磁场和电磁波下列说法正确的是( )A.电磁场是一种物质它只能在真空中传播B.电磁波在真空中传播时它的电场强度和磁感应强度方向互相平行C.由于微波衍行现象不明显所以雷达用它测定物体的位置D.大气对蓝光的吸收较强所以天空看起来是蓝色的2.如图所示弹簧振
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