题目

“破镜不能重圆”是因为将破镜合起来时,镜子断裂处大多数分子间距离         分子间                     的缘故。  答案::较大       不能产生作用力  解析::分子间的距离要是大于分子间的力的作用间的距离时就不能产生作用力。 He succeeded in ________ the test by ________ the small holes in the walls within five minutes. A. pasting; passing through         B. passing through; passing C. passing; passing in             D. passing; passing through  
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