北京市2008年中考压轴题是一道阅读理解题,它考查了菱形的性质、平行线的性质、等腰三角形的判定与性质、图形旋转的性质、全等三角形的判定与性质、直角三角形的判定与性质、锐角三角函数等知识.题目设了三个问,两个问是填空,一个问是推理论证,由易到难,层层递进,不断超越.是? Beijing 2008 test exam axis is a reading comprehension questions, it examines the nature of diamonds, the nature of parallel lines, the determination and nature of isosceles triangles, the nature of the graphics rotation, congruent triangles and the nature of the decision, the determination of right-angled triangles And the nature of acute trigonometric functions and other knowledge.The subject set up three questions, two questions is to fill in the blank, one question is reasoning argument, from easy to difficult, progressive, continue to go beyond.