200-word composition has some disadvantages.

At present, 2 1 century advocates all-round development, and some disciplines are not suitable for the development of 2 1 century.

In ancient times, a mathematician published a paper that was very useful to human beings, but his writing skills were not good, so people at that time could not understand it. After 132, a scientist who is good at arts and sciences was surprised after reading this paper, because it was a difficult problem that people had been thinking about for more than one hundred years. It was solved more than a hundred years ago, but no one understood it at that time.

Dad told me a story: someone took several buckets of wood of different lengths to fetch water. How much water can a bucket hold depends on the longest wood? Wrong. It depends on the shortest wood. This story tells me that if a course drags you back, your average score will drop sharply.

I must develop in an all-round way and be a qualified 2 1 century teenager.