阅读理解AA young man asked Albert Einstein, the great German scientist, what the secret of success is. The scientist told him that the secret of success is hard work. A few days later the young man asked the same question again. Einstein was very annoyed. He did not say anything, but wrote a few words on a piece of paper. On it was written: A=X+Y+Z.“What does this mean?” asked the young man.“A means success”, explained the old scientist. “X stands for hard work, Y for good method and Z mea
