Book7 Unit3 under the sea[下学期]

课件50张PPT。Unit 3 under the seaNames of some living things under the sea
1.jellyfish
2.seal
3.sea-slug
4.sea-gull
5.sea anemone
6.anemone fish
7.shark
8.shrimp
9.turtle10.sea star
11.whale
12.coral
13. parrot fish
14.clam
15.dolphin
16.eel
17.angelfish
18.sea lion jellyfish 水母 seal 海豹sea-slug
(海蛞蝓 /海兔） gull 海鸥 shark turtle 海龟sea star 海星killer whale (虎鲸） coral 珊瑚parrotfish （鹦鹉鱼）clam （蛤） dolphin 海豚eel （鳗鱼）angelfish （天使鱼）sea lion （海狮） where can you see them?
on a snorkelling trip
at an aquarium
on a boat tour
on TV nature programs
in books in films on the Internet Pre-readingDo you know about whales ?
What is the picture showing us?expressionswhalers baleen whales killer whalesAbout killer whales
Food — top killers in the ocean. Fishes, squids, seals, sea lions, birds, sea turtles,penguins, polar bears,etc.
Methods of collecting food — killer whales often hunt cooperatively in groups for food. They work together to encircle and herd prey into a small area before attacking.
Where do they live? — They can be found in all oceans but seem to prefer coastal waters and cooler regions.
How many killer whales are there? — They are no official killer whale worldwide population estimates.
How well do they see or hear? — They have well-developed, acute senses. They can hear a vast range of sounds and have excellent vision in and out of water.How do killer whales have their young? — Killer whale males reach breeding age when they are around 22 feet long while females can breed when they are about 16 feet long. They breed all year round. Female killer whales usually give birth every 3 to 10 years.
How long do killer whales live? — They can live to about 50-80 years old. About whaling Whaling operated between the 1830s and the 1920s on the south-eastern coast of Australia at a place called Eden where Clancy’s stories are set. Old Tom was one of the killer whales and his skeleton is displayed in the Killer Whale Museum in Eden.Reading:Background Information1.author:
2.career:
3.writing style:
4.content:
5.place:
6.time:
7.title:an old man, Clancy
a whaler
anecdote
Old Tom helps to catch baleen whales and rescues the sufferers
Australia
at the beginning of the 20th century
Old Tom The Killer WhaleScanning
1) How did Clancy begin to believe that the killers would help the whalers catch the huge whales?
2) How did the killers help the whales catch the whale?After he witnessed it with his own eyes, many times.
A pack of about six killers attacked the whale. Some of them threw themselves on top of the whale’s blow-hole to stop it breathing. Others stopped it fleeing out to sea.Please rearrange the order of the events.George started beating the water with his oar.
Clancy grabbed his boots and raced after George to the boat.
Clancy arrived at the whaling station.
The killers started racing between our boat and the whale.
Clancy heard a huge noise coming from the bay.
Clancy was sorting out his accommodation.
Clancy ran down to the shore.
The man in the bow of the boat aimed the harpoon at the whale.12345678主旨大意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
Teaching task : (Discussing)B2. 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
A3. 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.
C4. According to the text, the killer whales can protect men from being attacked by____. A. whales B. tigers C. enemies D. sharks
D推理判断：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
A6. The last whaling station in Australia closed in 1978.Whales are now an endangered species and protected by an international ban, but some countries oppose the ban. In groups discuss the reasons for and against banning whaling.(P21)Language points for: Old Tom The Killer WhalePre-reading: 1. on their annual migration
(the first anecdote) Para 1:
2.at a whaling station
3.hear of …/ hear that…
4.witness it with one’s own eyes
Para2:
5.sort out my accommodation
6.run down to the shore
7.throw itself out of the water and crash down
8.fish-shapedLanguage points for: Old Tom The Killer WhalePara 3:
9.He’s telling us there’s a whale out there for us.
Para4:
10.This was the call that announced there was about to be a whale hunt.
Para5:
11.ahead of …
Para6:
12.head into the bay
13.circle backLanguage points for: Old Tom The Killer WhalePara 7
14.in the distance
15.a pack of about six other killers
a pack of excited dogs (para9)
a pack of cigarettes
Para9:
16.work as --- act as
Para10:
17.the man in the bow of the boat
18.aim the harpoon at the whaleLanguage points for: Old Tom The Killer Whale19.hit the spot
20.the depths of the sea
21.float up to the surface
22.in the meantime
23.have a good feed on its lips and tongue
the second anecdote para1:
24.wash…off…
wash… up on the sand (p22)
Para2:
25.Man overboard!
= There’s a man overboard.Language points for: Old Tom The Killer WhalePara3:
26.The sea was rough that day.
27.The waves were carrying James further and further away from us.
28.be terrified of being abandoned
=afraid
Para7:
29.pull James back into the boat
Language points for: Old Tom The Killer Whalesort out
1).sort out a drawer 整理
2).sort out the papers to be thrown away 挑选出…
3).We have a few little problems to sort out.解决
4).Let’s sort the enemy out.击败
Language points for: Old Tom The Killer Whaleaccommodation Br.E (u) ; Am.E (c)
The university offers excellent accommodation(s) for summer visitors.
Language points for: Old Tom The Killer Whalehead v.
1)Where are you heading now?
2)We headed the boat out to sea.
3)Whose name heads the list?
Language points for: Old Tom The Killer Whalein the distance 在远处
at a distance 隔开一段距离
from a distance 从远处
within… distance 在…距离内
Language points for: Old Tom The Killer Whaleaim…at… / aim at (doing) sth – aim to do sth.
1)The hunter aimed his gun at the sparrow.
2)The president’s visit to his neighbor country is aimed at promoting trade between the two countries.
Language points for: Old Tom The Killer Whalein the meantime
1)The conference will begin in an hour; in the meantime, let’s have a coffee.
2)In the accident, many people were killed, but meantime there were some who were unhurt.
Language points for: Old Tom The Killer Whalehave a good feed on sth n.
feed on sth / live on sth v. 靠吃…为主
feed … on … = feed … to … 以…饲养…
feed…with… = feed… into… 给…添加…
1)The baby feeds on milk.
2)Cows feed on hay during winter.
3)People in the north live on corn.
4)We feed our dogs on meat. = We feed meat to our dogs.
5)We fed the fire with some wood. = We fed some wood into the fire.Language points for: Old Tom The Killer WhaleWash…off… / wash… up
1)The waves washed James off the boat.
2)The waves washed seashells up on the sand.
Teaching task 4:(Word study)1. Police have appealed for ________ (证人)to come forward.
2. The travel agent fixed up our _____________ (住处).witnessesaccommodation3. They’re both called Smith, but there’s no ___________(血缘关系) between them.
4. What’s your ______ salary (年薪）？relationshipannual5. Karl Marx was forced to f___ his home country for political reasons.
6. He a _________ his wife and children.
7. Every summer I r___ a room near the beach for a week.
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