语法填空：（共10小题，每小题1.5分，满分15分）
Chinese proverbs(谚语) are rich and they are still __51__ (wide) used in Chinese people’s daily life. __52__ these proverbs there are often interesting stories. For example, the proverb, “plucking up a crop to help it grow”, __53__ (base) on the following story.
It is said that a short-tempered man in the Song Dynasty (960-1279) was very anxious to help __54__ rice crop grow up quickly. He was thinking about __55__day and night. But the crop was growing much slower than he expected.
One day, he came up with an idea __56__ he would pluck up all of his crop a few inches. He did so the next day.
He was very tired from doing this for a whole day, __57__ he felt very happy since the crop did “grow” __58__ (high).
His son heard about this and went to see the crop. Unfortunately, the leaves of the crop began to wither.
This proverb is saying we have to let things go in their __59__ (nature) course. Being too anxious to help an event develop often __60__ (result) in the contrary to our intention.