Warming up、Pre-reading、Reading、Comprehending教学实录及点评

选修

9 Unit 2 Sailing the Oceans Reading教案

Teaching aims: 1.Let the students to know the difference between a navigator and an explorer. 2.To learn how seamen explored the oceans before the 17th century and learn their qualities Teaching important points:

1、Master the useful words

2、Train

reading skills

Teaching procedures: Step 1: Warming up What is the difference between a navigator

and an explorer? Step 2:

Pre-reading

The four basic instruments for navigation Decide whether the following statements are true (T) or false (F). 1. An early method of calculating longitude was to use a knotted rope tied to a log. 2. The astrolabe was the first instrument to measure the sun’s position.

3. The quadrant was more precise and simplified than the astrolabe, but still had its shortcoming. Step 3:

Comprehending 1.What’s the main idea of the passage?

2.What is the use of a bearing circle,

astrolabe, quadrant or sextant? 3.Why are speed and time important in working out the longitude of a ship?

4. Why is the position of the sun and various stars useful for working out latitude? Step 4: Summary Read the passage again and use the information to analyze the navigational skills. Step 5: Consolidation We may want to know (1)____seamen explored the oceans(2)_______ latitude appeared. (3)_______they didn’t have the modern navigational help, seamen could still control the sea by using some skills to explore seas and discover the new lands. (4)______ (use) nature is the first and most useful form of (5)_________(explore), such as using celestial bodies, using wildlife, using the weather, and using the sea. Because of these skill, sailors increased the ability(6)__

navigate new seas

when they used

instruments, (7)______

(include) longitude

and latitude. Step 6: Homework 1. Review this passage. 2. Preview Learning about

language.