求篇英语作文，600字左右

Before in history, we must admit that the intelligence of our ancestors, from Oracle to the present text, often shocking! To what extent can we believe what the history books tell us things? The issue, according to my knowledge, when have kind of information, we will have to believe it. When you think that this is unlikely, you can refute, that is, if it is vexatious facts in front of us, so there is no meaning, of course, we can investigate the problem, therefore, As long as it is a fact that we can believe that the contents of the history books.