Pale Blue Dot written by Carl Sagan asked us to cherish our earth.
A、正确
B、错误
A、正确
B、错误
主题英语
章节列表
01 COLLEGE LIFE1802 A WORLD OF FAST FOOD1803 HEALTHY HABITS1904 PERSONAL HEROES1905 BILINGUAL EDUCATION1906 LOVE AND MARRIAGE1907 MONEY MATTERS1808 SPACE IS THE PLACE1509 POPULATION ADN IMMIGRATION2610 DISASTERS2511 A CAMPUS OF READERS2512 ALL TALK2513 THE SPIRIT OF COMPETITION2414 FUN MATTERS3115 GENES AND PERSONALITY2916 DIFFERENCES IN COMMUNICATION30期末考试41