Warming up、Pre-reading、Reading、Comprehending教学目标设计

Unit 2 Sailing the oceans Period one: Warming up，Pre-reading and reading Aim: Let students master some knowledge of sailing the oceans and understand the text.

Procedures: 1. Warming-up 1. Introduce the history of sailing the oceans , and ask who are famous in sailing the oceans in history . 2. Let students lock at the pictures and answer the questions (1) What is a navigator? (2) Look at these famous people. Are they navigators or explorers? What do you know about them? (3) Can you identify these early navigational instruments seamen used and explain how they are used ? (Picture 2) a _________ b _________ c __________ d __________ (4) Which do you think was easier to work out :latitude or longitude ?

(5) Which ones do you think are still used today ? (6)What is the difference between a navigator and an explorer ? (7)How do you think seaman found their way before modern accurate methods of navigation were invented?

2. Reading 1. Skimming. Answer some questions about the text 1) How many ways the passage tells us to keep alongside the coastline. 2) When can the sailors use the sun to navigate by? 3) What was the first instrument to measure the sun’s position? 4) What proved to be the most accurate and reliable of these earth navigational instruments? 5) When did seamen begin to use the compass?

2. Careful reading. Read the passage and answer the following questions . 1) What is the use of a bearing circle? What is the use of a compass? ( ) A to set the course of the ship B to measure the position of the ship C to measure the speed of the ship

D to tell the time 2) Why are speed and time important in working out the longitude of a ship? 3) Why is the position of the sun and various stars useful for working out latitude?

3. Discussion. Suppose you were a sea captain aiming to sail round Africa Discuss in groups. 1) What skills would you seek in your sailors? 2) What problems would you anticipate for this journey?

4. Homework Let students write a report to their leader explaining to him why you think Captain Bligh shoulder receive the medal