回複:謝謝愚教授的批改!多費心了!

回答: 謝謝愚教授的批改!多費心了!beautifulwind2011-08-19 20:57:21

 

He carried two different sized stones which dropped on floor at the same time.

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1. Floor should be replaced with ground.  Ground means the surface of the earth.

2. The stones were dropped from the top of the tower by Galileo and (they/the stones) reached the ground at the same time. 

 

It was the spirit,  which (=spirit?) Galileo testified our judgement and theories through nature directly, that led to ...

If you replace "which" with "spirit" in the clause, does it sound right?

 

 

 

 

 

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