I haven't been to anywhere.
I have been to nowhere.
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- 1Let’s have a rest,_____?
- 2鸟字旁 隹字旁都是形容鸟的请问这两类鸟不同在那里?
- 3He knew e___ what they had done and what they would do.Who had told him everything?
- 4如图,AB是⊙O的直径,AB=2,OC是⊙O的半径,OC⊥AB,点D在AC上,AD=2CD,点P是半径OC上的一个动点,求AP+PD的最小值.
- 5已知a,b,c是三角形的三边,求证:a/(b+c)+b/(a+c)+c/(a+b)
- 6将一个圆柱分成若干等份,拼成一个近似的长方体,这个长方体的高为10厘米,表面积比圆柱多40平方厘米.圆柱的体积是多少立方厘米?
- 7现在的粒子加速器能不能把电子加速到光速?
- 8小刚和小红去看望李老师,李老师给小刚1块糖后,把剩下的七分之一给了他,又给了小红2块糖,再把剩下
- 9如何利用向量判断空间中三点共线?
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