,栏目导航,discovery,that,studied,a,with,to visit,developing,he,cultural,peoples,Zheng He was a famous Chinese explorer.,He was born in Yunnan.,From 1405 to 1433.,Because his first voyage in 1405 was nearly a century before Columbus set sail,to America. He opened up cultural contacts between different peoples around,the world.,Because his voyages developed trade, encouraged the exchange of cultures,and technologies and helped the development of those countries and regions.,He is so funny that he can make everybody laugh.或He is so funny that he can,make everyone laugh.,Liu Wei rose to become the leader of the area.,Besides studying hard, Kang Kang often helps others.或Kang Kang often helps,others besides studying hard.,Cindy bought some food as well as drink.,This boy is known as Mr. Know-all.,valuable,relations,has been seen,to learn,riding,for,an,It,that,How,B,D,A,C,A,