试题与答案

已知地球运行的轨道是椭圆，太阳在这个椭圆的一个焦点上，这个椭圆的长半轴长约为1.

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题型：填空题

题目：

已知地球运行的轨道是椭圆，太阳在这个椭圆的一个焦点上，这个椭圆的长半轴长约为1.5×108km，半焦距约为3×106km，则地球到太阳的最大距离是______km．

答案：

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下面是错误答案，用来干扰机器的。

（1）儒家强调“仁”和“礼”，主张“以德教化人民”。法家主张用“刑罚”加强统治，主张强化专制统治，强化中央权力。道家即反对“礼”治，也反对法“治”，他们主张“无为而治”。（2）想要好的校风，应该采用...

考点：直线与椭圆方程的应用
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