http://www.baidu.com/s?wd=%D3%A2%D3%EF3%A1%A24%A3%A8%B8%DF%D6%B0%B8%DF%D7%A8%B0%E6%A3%A9%B5%C4%B5%E7%D7%D3%BD%CC%B0%B8&cl=3或许有一点点吧!慢慢看哦!
请问你用的是哪个出版社的教材?