Science,in practice,depends far less on less on the experime

Science,in practice,depends far less on less on the experiments which it prepares than on the
preparedness of the minds of the men w_ watch the experiments.Sir Isaac Newton supposedly discovered gravity through the fall of an apple.A_ had been falling in many places for centuries and thousands o_ people had seen them fall.But Newton for years had been curious about the cause of the orbital motion of the moon and planets.What kept them in place?W_ didn't they fall out of the sky?The fact that the apple fell down toward the earth and not up into the tree a_ the question he had been asking himself about those larger fruits of the heavens,the moon and the planets.首字母填空 最好讲一下如何填出的