如图
21题
http://www.***.cn/Files/adminfiles/wanglei/Resource/%B8%DF%BF%BC%CA%D4%BE%ED%BF%E2/%CA%FD%D1%A7/2005%B8%DF%BF%BC%BE%AB%C6%B7%C4%A3%C4%E2%CA%D4%BE%ED%CA%FD%D1%A7/%B8%DF%BF%BC%BE%AB%C6%B7%C4%A3%C4%E2%CA%D4%BE%ED%CA%FD%D1%A7%20(118).doc
如图
21题
http://www.***.cn/Files/adminfiles/wanglei/Resource/%B8%DF%BF%BC%CA%D4%BE%ED%BF%E2/%CA%FD%D1%A7/2005%B8%DF%BF%BC%BE%AB%C6%B7%C4%A3%C4%E2%CA%D4%BE%ED%CA%FD%D1%A7/%B8%DF%BF%BC%BE%AB%C6%B7%C4%A3%C4%E2%CA%D4%BE%ED%CA%FD%D1%A7%20(118).doc