Warming up、Pre-reading、Reading、Comprehending名师教学视频（文字实录）

Unit 2 Sailing the oceans Period one : Warming up， Pre-reading and reading Aim : To train the student’s ability of listening ， speaking &reading. Let students master some language points and understand the text .

Contents : I Warming up and Pre-reading 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? Now read about what navigation was like before modern instruments were used. II listening and speaking 1>

Listen to the tape and fill in the chart Sailors form Sea or Ocean Skills Phoenicia Mediterranean Used the sky to find

North Their way Polynesia

2>

Use the information form the listening to explain these sailing strategies . 1._________________________________________________________ 2._________________________________________________________ III Reading : sailing the oceans 1>

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>

Language points :