Who do you think is the most greatest scientist in China?
Mandela has devoted his whole life to fighting for the rights of African black people.
Do you think Qian Xuesen a pioneer in space technology project in China?
Columbus was one of the first Europeans who have found the America.
第一Who do you think is the most China great scientists?
第四Columbo was one of the first Europeans found one of america.
第二Mandela will his life dedicated to African rights struggle.
第三Do you think Tsien Hsueshen is a pioneer in the space science and technology program Chinese?