课件52张PPT。Warming up and Readingunit 3 Under the seaWhite whale白鲸Turtle海龟Kelp海带Dolphin 海豚Octopus章鱼oyster 牡蛎lobster 龙虾Anemone 海葵Sea star海星Butterfly fish蝴蝶鱼Anemone fish海葵鱼Dolphin海豚eel海鳗Sea horse海马Shark鲨鱼Parrot fish 鹦嘴鱼Coral珊瑚Angel fish天使鱼Bowhead
大头鲸Seahorse
海马crabcoral bluewhaleanemone fish
小丑鱼Talk about your favourite sea plants or animals .
Where can you see sea plants or animals ?talkingtalkingon a __________ tripsnorkellingat an _________ aquariumaquariumwhalesbaleen whalesKiller whalestoothed whales baleen whalesbaleen whales have no teeth but instead have baleen plates with which the whales can filter the food out of the water. krill Krill, group of shrimp-like planktonic crustacean(甲壳类), is known to be the main food of baleen whales On the top of the head, toothed whales have a single blowhole, the baleen whales have two blowholes, which open only when the whale takes a breath. feed in summer in cold waters and spend the winter in warmer waters without an abundance of food. annual migrationMost baleen whales migrate over the entire
globe, moving from the Antarctic(南极) where they feed on krill, to the sub-tropics(亚热带), where they breed and spend the winter season. Killer whales / orcasKiller whales are one of the top predators(食肉动物)
in the sea. As a group, killer whales are known to eat
fish, squid, seals, sea lions, penguins, even other
whales. podOrcas are highly social animals that travel
in groups called pods. Pods usually consist of
5 to 30 whales, and are led by females. Orca pods often work together to catch a meal (fish, squid, birds, and marine mammals).What is happening in the picture ?Old Tom The Killer WhaleScan the text and answer the questions1.Who wrote this passage?
2.Why did he write this passage?
3.What is the main character of the passage?This text is two __________ written by an old man called Clancy , who was a ______ and hunted whales on the south-eastern coast of Australia at the beginning of the 20th century , when the ____________ helped the whalers catch the ______________ that were on their _________ migration.anecdoteswhalerkiller whalebaleen whaleannualRead the text to find out the answer to the question :
What evidence was there that Old Tom was helping out the whalers ?The first anecdoteEvidence of helping the whalersthrow itself out of the water and crash down againTelling the whalers there’s a whale out there Evidence of helping the whalersswim by the boat Showing the whalers
the way to the huntEvidence of helping the whalersWork as a teamA ______ of killers are
throwing themselves
__________ the whale’s
blow-hole to stop it
_______; and some
others are stopping it
_______ out to sea.packon top ofbreathingfleeingEvidence of helping the whalersThe killers started
________ between our
boat and the whale
just like a pack of
_______ dogs.
Then the ________ was
ready and the man in
the ______ of the boat
_______ it ___ the whale
and let it _____ ,then
it hit the spot.
racingexcitedharpoonbowaimedatgoWhat did the whaler do in the story?
What is the relationship between the killer whales and the whalers?Answer the questionsRead the second story and answer the questionsWhat happened to James?
What did Old Tom do?
What is the relationship between Old Tom and the whalers in this story?“the killers started racing between out boat and the whale just like a pack of excited dogs.”
Why do you think the killer behaved like this ?
2. Why do you think the whalers allowed the killer whales to drag the whale under the water to feed on its lips and tongue ?
3. Why did the whales return home without the whale’s body ?
4. How did Old Tom help James ? Why?comprehendingAlthough the killers were ________ hunters , they never _______ or _______ people. In fact , they __________ them.discussionDiscuss the relationship between
Old Tom and the whalers.
What other animals help out
humans in hunting ?fierceattackedprotectedharmed
