论文部分内容阅读
北京市大兴区2009～2010学年度第二学期初三物理第二次模拟考试试卷中第12题出现了一个常识性的错误,原题如下:题目1如图1所示,在底
Daxing District, Beijing 2009 ~ 2010 academic year second semester second physical simulation test papers in the twelfth problem appeared a common mistake, the original title is as follows: Title 1 as shown in Figure 1, at the end