Warming up、Pre-reading、Reading、Comprehending名师教学设计

Unit 2 Sailing the oceans Period one : Warming up Pre-reading and reading Aim : 1.To train the student’s ability of listening and speaking . 2.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

Reading 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 ?

III comprehending and language Read the passage and answer the following questions . 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 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 ? 4. 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 ? II Learning about language Do exercises 1 . 2 and 3 Exerise1 Replace the words underlined by ones of similar meaning form the reading passage . 1.

Seeing the dark clouds above him , George hurried for home . 2.

Sailing a boat alone far away form the shore made Flora’s parents worry about her safety . 3.

Clare , would you please put your bicycle next to the others in the shed ? 4.

“Why don’t you plot a more simple rout with the smallest number of spots?” asked Mary .

5.

Setting out on a long journey by sea with unskilled sailors would be dangerous especially if there were no modern navigational instruments . Exercise2 Find the words form the reading passage that are the opposite of these compound words . Nowhere anywhere download upload outward inward Reliable unreliable seaweed land flower shortcoming strong point Exercise3: Complete the following paragraph with the words below . precise outward nowhere awkward reference seaweed accelerate mercy randomly voyage alongside approximate Samuel the sailor was extremely good at plotting his course using the stars a ________. One day he was determined to set out on a ________across an unknown sea to an unknown continent . He set out with his instruments so he would not be at the _________ Of the sea . He found on his _______journey a rocky island . It seemed to be covered in nests. Suddenly, as Samuel looked , an enormous bird swooped down and picked him up as if he were a/an ______ parcel . It ______its speed and rose straight up into the air so as to reach the _______place on the rocks where its nest lay. Once there, it shook itself and threw Samuel in the ________ direction of the nest . There seemed to be ______to hide but then he noticed lots of ______ on his left and quickly hid under it . The bird landed nearby and pecked ______ at the rocks . Samuel rolled over swiftly and found himself at the edge of the cliff . He looked down slowly with a beating heart. Below him was his boat lying ______the shore! “How lucky I am!”

Samuel thought to himself. He then gave a mighty leap and landed in it. Once inside he could safely sail away.