题目

How much do you know about A．I．(Artificial Intelligence)?Artificial means‘man-made’，and intelligence means‘the ability to learn．understand and think about things’．A．I．is about making machines think，talk，do and see．A．I．is used in many fields from、playing games to helping doctors．Many machines around us work very well because they work with the help of A．I．Man has always dreamed of building‘thinking machines’．In 1770，Wolfgand Kempelen(1 734—1804)built a wooden robot called Turk that was able to play chess(SUR)．It played very well and even beat 验证大气压存在的著名实验是马德堡半球实验马德堡半球实验；精确地测出大气压值的实验是托里拆利托里拆利实验．通常把760760mm高水银柱产生的压强作为1个标准大气压，其值为1.01×1051.01×105Pa．