Teaching Aims:
a. Learn and master the key words and expressions
voyage mercy minimum nowhere pole overhead offshore accelerate outward longitude latitude precise simplify portable shortcoming updated tendency reliable
at the mercy of, even though, work out, be used to, in relation to, aim to , …
b. Train the students’ reading ability. Let the students have some knowledge of early navigational methods. Explain how seamen explored the oceans and what kind of navigational instruments were used to sailors before the 17th century when they were navigating the open seas without seeing the land.
