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- 1英语问题The population of China is larger than ______ of the United States.
- 2what do they care about a few dollars 的意思
- 3长度为L的均匀链条,单位长度的质量为ρ,把链条放在光滑水平桌面上,且使其长度的1/4垂在桌边,松手后链条从静止开始沿桌面下滑,球从开始下滑到链条刚刚离开桌边的过程中重力所做的功.
- 4as soon as you are seated,open your napkin and p____ it on your lap.the lapkin keeps on your
- 5给出以下四个说法：①绘制频率分布直方图时,各小长方形的面积等于相应各组的组距
- 6透明玻璃的定义
- 7人类在地球上消失需要多少年求大神帮助
- 8如图,P为线段AB的黄金分割点（PB＞PA）,四边形AMNB、四边形PBFE都为正方形,且面积分别为
- 9I am looking for a birthday gift for my mother
- 10在自然数N内有X个质数,则把这X个质数相乘再加1（包括质数2）,一定是质数.试证明下!