Unit3UnderTheSea导学案学生

Unit 3 Under The Sea
Pre-reading，Reading and Comprehending导学案
张硕敏2013/3/17 Teaching aims
1．Grasp the basic information about the killer whales，such as size，habitat，food，how they hunt animals and the relationship with human beings.
2．Learn to re tell the two anecdotes with the help of some key words.
3．Make sure the students know that killer whales are friends of human beings and we should keep balance with nature.
Teaching procedures
Step 1 Leading-in
Do a small quiz about a killer whale .
(1)Which of these kinds of whales can grow to be the largest?
A. blue whale 蓝鲸
B. white whale白鲸
C. baleen whale 须鲸
D. Killer whales虎鲸
(2) Humans have been hunting whales for more than __ _ years.
A．2000B．1000C．500
(3) Will the killer whales attack people and eat them？
(4) Does a female killer whale give birth to a baby whale or lay eggs？
(5) What does a newly－born baby killer whale feed on？__ __
A．Small sea animals. B．Sea plants. C．Its mother's milk.
(6) Do the killers belong to the family of dolphins or whales？
(7) Male killer whales have a life expectancy of ____ years，while females can live as long as __ __
years.
A．40－50B．50－60C．60－70D．80－90
(8) Killers are highly social animals that travel in groups called pods(群)．Pods usually consist of __
__ whales.
A．2－50 B．20－50 C．30－60
(9) How many sounds can a killer whale make？
(10) Are killers endangered species and in need of conservation？No.
(11) The killer whales are sometimes called the “of the sea” because they are both very fierce.
A．wolf B．dog C．tiger
Step 2Pre－reading
Read the words in Pre－reading on Page 19 quickly and fill in the form.
Writer
Occupation
Style
Time
Place
What happened
Step 3Skimming
1．Glance through the two anecdotes and use one sentence to get the main idea of each anecdote.
Main ideas：
Anecdote one：.
Anecdote two：.
2．Fill in the blanks with the names of the roles in the text.
(1)______was 16 years of age when he went to work at the whaling station.
(2)______ordered Clancy to go to the boat as there was a whale out there in the bay.
(3)______was swimming by the boat showing the whalers the way.
(4)______told Clancy that they would return the next day to bring in the body of the whale.
(5)______was carried by the waves further and further away from the whalers.
(6)______knew that Old Tom would protect James.
Step 4Scanning
1．Read these two anecdotes carefully and find out some verbs or verb phrases to do the blank－filling worksheet.
Anecdote one：（故事一）
There was perfect cooperation between the whalers and the killer whales.
Before the hunt
The killers' action：the water and then again.
by the boat，the whalers the way. back to the boat
the whalers to the hunt .
The whalers' reaction：A whaler George Clancy. Clancy after him.
They the boat with the other whalers and into the bay. During and after the hunt
The killers' action：A pack of killers are themselves on top of the whale's blow－hole to
it ；some others are stopping it fleeing out to sea. The killers started between the whalers' boat and the whale，just like a pack of excited dogs. Within a moment or two，the whale's body was into the depths of the sea.
The whalers' reaction：The man in the bow of the boat a harpoon at the whale and
it to hit the spot. Started the boat around to go home. Anecdote two：（故事二）
The dangers facing James：
(1) He was the boat and was by rough waves.
(2) There was a shark out there.
The help offered by Old Tom：
(1) Old Tom wouldn't the shark near.
(2) Old Tom firmly James in the water.
Step 5Careful reading
Story Part 1
Ask students to read Part 1 of the reading passage again and put the following sentences into the correct order：
a．George started beating the water with his oar.
b．Clancy raced after George to the boat.
c．Clancy arrived at the whaling station.
d．The killers started racing between our boat and the whale.
e．Clancy heard a huge noise coming from the bay.
f．Clancy was sorting out his accommodation.
g．Clancy ran down to the shore.
h．The man in the bow of the boat aimed the harpoon at the whale.
Story Part 2
Which was NOT the danger facing James?
A．Being washed off the boat.
B．Being carried away by rough waves.
C．A shark out there.
D．Being attacked by another killer whale.
Step 6Comprehending
1．The text is mainly about ______.
A．the killer whales are easily trained
B．the killer whales can help the whalers catch the huge whales
C．the killer whales kill the whales for their food
D．the killer whales drag the whales under the water
2．Old Tom throws itself out of the water and then crashes down in order to ______.
A．give the whalers information about a whale
B．tell the whalers it is hungry
C．help the whalers catch the whale
D．inform the whalers to run away
3．______ killed the whale at last.
A．Old Tom B．The killer whales
C．The author D．The whalers
4．Why did the whalers started turning the boat around to go home after the whale died?
A．Because they didn't need a dead whale.
B．Because they couldn't find the whale's body.
C．Because they knew that the dead whale wouldn't float up to the surface for around 24 hours.
D．They had to do this because it was too late.
5．The killer whale protected James by ______.
A．fighting the shark
B．killing the shark
C．preventing the shark going closer
D．dragging him back
6．We can infer from the story that______.
A．the killer whales may be trained by the whalers
B．the killer whales want to help man catch the whales themselves
C．the killer whales need no training for helping the whalers
D．the killer whales want to eat the whales after killing them
Step 7Discussion
Read the passage and discuss：
1．What is the relationship between Old Tom and the whalers?
2．What other animals can help out humans in hunting?
Step 8 Homework
1．Prepare to retell the whole text in your own words.
2．Write a short summary of the whole text in about 30 words.。