Ⅰ.阅读理解
The Polynesian voyaging canoe guided only by nature as it circles the globe has reached South Africa,the most dangerous distance partly because of complicated ocean conditions.
The canoe Hokulea left Hawaii last year,and its crewmembers are sailing without modern navigation(导航)equipment.They are using the waves and the position of the stars to help,sailing the way that brought the first Polynesians to the Hawaiian Islands.