A:求知是人类的本性
B:心灵美比形体美更珍贵
C:人的出类拔萃为城邦增加的荣耀可以超过神
D:健康和聪明是人生的两大幸福
On April 25th,2007,thousands of Russians went to say farewell to Boris Yeltsin—the country's first popularly ________leader.