【简答题】《针灸甲乙经》的主要成就。

【多选题】以下属于观察法优点的是( )。

【判断题】牛顿定律只有在惯性系中才成。()

【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】牛顿：万有引力

【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 ...

【单选题】为什么要虚心呢？庄子曾经说过：________________。个人学得的知识总是微不足道的，而知识的海洋却是广阔无边的。英国科学家牛顿可谓是人类历史上最伟大的科学家之一了，他发现了“三大运动定律”，为科学的发展做出了巨大贡献。可是面对个人取得的成绩，他却说：“我只觉得自已好像是一个在海玩要的孩子，有幸拾得光滑美丽的石子，但真理的大海，我还没有发现。”正因为这样谦虚，他才能向科学高峰不断攀登，终于...