王德顺 幼苗
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美艾 幼苗
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回答问题
A riddle:I have cities but no houses,forests but no trees,ri
1年前1个回答
I have cities but no houses,forests but no trees,rivers with
It has cities but no houses,it has forest but no trees ,it h
谜语I have cities but no houses,forests but no trees, rivers b
英语问题1.I have cities but no houses,forests but no trees,river
1年前3个回答
猜谜：I have cities but no houses ,forests but no trees,rivers
英语高手进来一下（猜英语谜语）1.I have cities but no houses,forest but no t
1年前4个回答
It has cities but no houses,forests but no trees,rivers with
1年前2个回答
What has cities with no houses,rivers without water and fore
l have cities but no houses,forests but no trees
l have cities but no houses,forests but no
I have cities but no houses,forests but no tress,rivers with
It has cities but no houses ,it has forest but no trees ,it
I have cities but no houses,forests but no trees,rives witho
越快越好 I have cities but no houses;forests but no trees;rives
1年前5个回答
I have cities but no houses ;forests（森林）but no trees; rivers
It has cities but no houses; it has forest but no trees ;it
猜出下列谜语I have cities but no houses ; forests but bo trees; ri
It has cities but no houses;forests but no trees;rivers with
你能帮帮他们吗
东张西望类似的词语（要四个）?
水是生命之源，我们的日常生活和工农业生产都离不开水．下面关于水的叙述不正确的是（ ） A．水在自然界中的循环为物理变化
（14分）已知抛物线 经过A(3，0), B(4，1)两点，且与y轴交于点C．
在Rt△ABC中∠C=90°,AB边的中垂线交直线BC于D,∠BAD-∠DAC=15°
已知输入电压220v,输出电压5v,输出电流1A,求功率
精彩回答
网民向政府表达合理的诉求、献计献策是公民参与民主决策的哪一种方式？ 公民在参与政治生活时，应该遵循哪些基本原则？
某地因持续高温干旱，村民饮水困难，镇政府组织村民组成水源行动小组到村镇周边找水。某村民在山洞C里发现了暗河（如图所示）
求教,∫xe^(-x^2)dx在（0,+∞)的定积分 ∫xe^(-x^2)dx在（0,+∞)的定积分
数字信号处理题
已知平面内动点P到点F(1,0）的距离比点P到直线X=-2的距离小1.求点P的轨迹方程
