【简答题】《针灸甲乙经》的主要成就。

【简答题】简述第二国际的成就。

【单选题】以下不属于牛顿的成就的是()。

【单选题】圆周率π是一个什么数？

【简答题】Laziness is a sin, everyone knows that. We have probably all had lectures pointing out that laziness is (36)_________, that it is wasteful, and that lazy people will never amount to(有所成就) anything in ...

【简答题】Short and shy, Ben Saunders was the last kid in his class picked for any sports team. 'Football, tennis, Cricket—anything with a round ball, I was useless.' he says now with a laugh. But back then he ...

【简答题】Laziness is a sin, everyone knows that. We have probably all had lectures pointing out that laziness is (36)_________, that it is wasteful, and that lazy people will never amount to(有所成就) anything in ...

【简答题】简述计算土方量的三种方法。

【单选题】齿轮的齿距除以圆周率得到的商称为（）。

【单选题】世界上第一个把圆周率的值计算精确到7位小数的人是（）。