题目

阅读下面的短文，并根据短文后的要求答题。        I have been a friend of Bill Gates for a long time．I know him when he was a student at Harvard University．We were surprised when he left University to set up his own company “Microsoft” and make his own software．But he was the clever one! He is very good at writing computer languages and almost all computers now use Microsoft software．The program “Word” is used from Britain to China！        Of course he has made a lot of money and that makes people very jealous．They want to stop his success．Ev一个等腰直角三角形和一个正方形如图摆放，①、②、③这三块的面积比依次为1：4：41．那么，④、⑤这两块的面积比是________．