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选修9《Warming up、Pre-reading、Reading、Comprehending》公开课PPT课件优质课下载
-to fulfill one’s own heroism complex (英雄主义情结)
-to satisfy one’s curiosity
A famous navigator in China
Born in Yunnan in Ming Dynasty
Had sailed to the west for seven times
Made great contributions to the promotion (传播) of Chinese culture
Zheng He (1371-1433)
An Italian explorer and navigator
Completed four voyages across the Atlantic Ocean (大西洋)
Set up first European colonies in the New World
Christopher Columbus
(1451-1506)
How did they find their way before modern accurate methods of navigation were invented?
Sinan, the ancient Chinese compass
Using nature
Using navigational instruments
Keeping alongside the coastline
Using celestial bodies
Using wildlife
Using the weather
Using the sea
Finding longitude
Finding latitude
the compass
the bearing circle