中小企业板块的交易由独立于主板市场交易系统的第二交易系统承担。这句话描述的是中小企业
题型：单项选择题
问题：
中小企业板块的交易由独立于主板市场交易系统的第二交易系统承担。这句话描述的是中小企业板块的( )。
A．运行独立
B．监察独立
C．代码独立
D．指数独立
题型：单项选择题
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 some of the top chess players of the time! Later it was found that Turk was not real．Inside the box machine was a chess player．
John McCarthy(1927—)is thought as the‘Father’of A．I He invented the word‘A．I．’and the LISP computer programming language that many A．I．developers use today．How does A．I．work?
A．I．uses ideas from many fields：
小题1:What is true about A．I．?
A．A．I．is a machine．
B．A．I．can play chess better than man．
C．A．I．can play games．
D．A．I．is something that makes machines work
like man．
小题2:A．I．means_________in Chinese．
A．人造能力 B．人造计算机
C．人工智能 D．人工机器人
小题3:We can learn from the passage that_________．
A．we still do not know how A．I．works
B．computers are the most important part of A．I．
C．Wolfgand Kempelen was the first builder of robot．
D．John McCarthy is good at playing chess．