According to Newton's law of motion,in ___world without ___friction,a moving object would keep moving until another forc

问题描述:

According to Newton's law of motion,in ___world without ___friction,a moving object would keep moving until another force was felt.
A the,/ B a,/ C /,a D /,the
为什么不能选A呢?我觉得without friction是修饰world,所以是特指啊~

选B
翻译:根据牛顿运动定律,在一个没有摩擦力的世界中,一个运动的物体将会持续运动,直到有外力作用于物体.
表假设,设想的一个这样的世界,不是真实的,所以原文中后半句中用的would.所以B