Warming up、Pre-reading、Reading、Comprehending课时教学实录

选修

9 Unit2

Sailing the oceans The first period

Warming up , pre-reading & reading

Teaching Aims:

教学目标

a. Key words and expressions

navigate, navigator, navigation, navigational; explore, explorer, exploration 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. Teaching Difficult Points: 教学难点

a. How to help the students understand the reading passage better. b. How to improve the students’ reading ability.

Teaching Methods:教学方法

a. Scanning the text to get the general idea of it. b. Carefully reading to finish the Comprehending exercises on page 14. c. Discussion after reading to make the students understand the text better. Teaching Procedures: 教学步骤

Step 1

Warming up

Present the students a map of the world and tell them “Today we are going to learn a new unit “Sailing the oceans”. Then ask them to turn to page 11 and give them a few minutes to have a discussion.

A navigator is somebody who finds the position and plots the course of a ship, an aircraft, a car, etc, using maps and instruments.

An explorer is somebody who travels into or through a place in order to learn about it. Very often navigators are also explorers. In history there are four famous voyage explorers in the world, including Zheng He in China, James Cook in England, Christopher Columbus in Spain and Abel Tasman in Holland. In this unit we’ll talk about Zheng He, James Cook and Marco Polo. Step 2 Pre-speaking Show the students some pictures to see if they can identify the early navigational instruments seamen used and explain how they used.

Step 3 Scanning

Scan the text to finish the comprehending exercise 1 on P14. 1. What is the use of a bearing circle, astrolabe, quadrant or sextant?

(

)

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 Step 4 Careful reading

Ask the students to read the text carefully and finish the comprehending exercise 4 on P14. Step 5 Listening & discussing

Ask the students to read the text carefully and finish the comprehending exercises2 &3 on P14. 2. 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? 3. What would you do if you came across the following problems during the voyage? Discuss the questions and finish the chart below . Step 6 Consolidation

1. Read the passage again and decide whether the following statements are true (T) or false (F). 1). It was not until the 17th century that there was secure means of measuring longitude. ( ) 2). In the 12th century seamen began to use the compass to set the course of the ship. ( ) 3). The use of a bearing circle, astrolabe, quadrant or sextant is to measure the speed of the ship. ( )

4). The astrolabe was the first instrument to measure the position of the sun. ( ) 5). The fresher seaweed in the sea was, the farther the ship was to land. ( ) 6). The sextant was the most precise and reliable of the early navigational instruments. ( ) 2.

Type of writing and summary of SAILING THE OCEANS. Type

exposition Sailing the oceans

Using nature to help:

Using navigational instruments to help:

Step 7 Homework 1.

Review this passage. 2. Finish the comprehending exercise 5 on P15. 3. Preview Learning about language.