Unit 3 Under the sea

(共32张PPT)
Have you seen plants and animals that live under the sea Where did you see them
Watch the photos and try to write down the name of the animal or the plant in your exercise books.
white whale
shark
Sea star 海星
jellyfish 水母
Dolphin 海豚
Turtle 海龟
Coral 珊瑚
Anemone 海葵
Anemone fish 海葵鱼
Sea-slug(海蛞蝓）
killer whales
baleen whales
What do you think is happening in the picture
Killer whales are attacking a baleen whale with whalers waiting by in their boat,harpoon at the ready.
the killer whales
(baleen) whales
The whalers
Reading Old Tom the killer whale
Pre-reading
Writer
Vocation
Style
time
Place
Main idea
Clancy
A whaler
The killer whale help people to kill baleen whale.
Australia
At the beginning for the 20th century
Anecdotes
Listen to the tape and then fill in the blanks with their names:
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.
Clancy
George
Old Tom
Jack
James
Red
Reading – I Scanning ( 4ms )
Read the text fast and find out keys to the questions
1 What is Tom How many anecdotes refers to the Old Tom (the killer whales) in the text
Tom is the name of killer whales.
two anecdotes
2 What is the first anecdotes about
It’s about a hunting experience with the help of the killer whales.
3 How about the second one
It’s about how a killer whale protected &saved James.
Tell information
Show ways
Attack fish
Drag fish to depths
Help man
Telling the whalers there’s a whale out the re
Showing the whalers the way to the hunt
Work as a team
Help out man overboard
A good feed on lip &tongue
Helping the whalers
Protect and save the man
________itself out of the water and _______ down again.
throw
crash
______by the boat
swim
on ____of the whale’s
blow-hole to stop it__________&_______out to sea
top
breathing
fleeing
drag the body down to the ______ of the sea.
depths
____up the man back into the boat
hold
1. What evidence was there that Old Tom was helping out the whalers
2. What other animals did the author compare the killer whales with
Old Tom let the whalers know that there
was a baleen whale nearby;
he showed them the way to the whale
Work as a team
Dogs.
3. “The killers started racing between our boat and the whale just like a pack of excited dogs.” why do you think the killer whales behave like this
Because they knew that, together
with the whalers, they would soon kill
the baleen whale and get a good feed.
4. Why did George think that the
killer whales worked as a team
Because he could see that some of the
killers were throwing themselves on top of
the whale’s blow hole while others were
preventing it from swimming out to sea.
5. Why do you think the whalers
allowed the killer whales to drag the
whale under the water to feed on its
lips and tongue
6. Why did the whalers return home
without the whale’s body
Because they knew the Killer Whales
would leave the rest of the body to them.
Because the body would not float to
the surface until about 24 hours later.
7.How do you think Red felt about the killer whales
8. How did Old Tom help James Why
do you think he did this
Red felt good about the Killer Whales.
He appreciated the working relationship
that the whalers had with the Killer Whales.
Old Tom prevented James from drowning.
Old Tom wanted to help his human
friends.
Detailed reading: read the text carefully and then do the following tasks
1. The author mainly tells us in the text that____.
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
B
2. Old Tom throws itself out of the water and then crashes down in order to ___. A. give the whalers the 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
A
3. Why did the men start 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.
C
4. According to the text, the killer whales can protect men from being attacked by____. A. whales B. tigers C. enemies D. sharks
D
5.We can infer from the text 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
A
How to build a good relationship with sea plants and animals how to improve our environment
Please finish Ex.1 and Ex. 2, Page21-22.