unit3 under the sea

课件25张PPT。Unit3
Under The Sea Quiz1. Which kind of whale can grow to be the largest ?
sperm whale (抹香鲸)
blue whale(蓝鲸)
humpback whale (座头鲸)B(21-27m , 100-120 tons)2. Humans have been hunting whales for more than ____ years.
A. 2000 B. 1000 C. 500AGive birth to a young4. Does a female killer give birth to a live young or lay eggs?5. The killer is sometimes called the “___ of the sea" because its behavior is similar.
A. wolf B. dog C. tigerA3. Is it true or false that killer whales are likely to attack people and eat them?false6. Does the killer belongs to the family of
dolphins or whales? Dolphins7. Male killer whales have a life expectancy of 50-60 years. Females have a life expectancy of ___ years.
A. 40-50 B. 60-70 C. 80-908. Is a male killer usually larger or smaller than a female?largerC9. killers are highly social animals that travel in groups called pods. Pods usually consist of ____ whales.
A. 5-30 B. 20-40 C. 30-60 10. Does a pod usually led by a female or a male?femaleAThe skeleton of Old Tom at the Eden Killer Whale Museum
(http://www.killerwhalemuseum.com.au/)page 19, pre-reading，anecdotes，pictureGlance through the two stories, and fill in the blanks with names of the characters 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. Clancy George Old Tom Jack James RedAnecdote OneA. Clancy began to work at a whaling
station.B. The killer whales helped whalers to catch
a baleen whale.C. The killer whales hunted in a team and
killed a baleen whale.D. Old Tom showed whalers the way to a
baleen whale. The first anecdote mainly talks about that _______.perfect cooperationWhat Killers
didpurposeWhat whalers
didthrow itself out of… crash down tell whalers there’s a whale follow it
as soon as possibleswim by the boatattack;
throw on top of…
stop; race show the way stick with it tire the whale; gain timedrag…have a good feedprepare the harpoon and hit share the resultReturn and wait
patientlypre-huntingwhile-hunting post-
huntingeagerness of the whalers:vitality of the killers: eg: We ran …(pa2)eg: throw itself out of… crash down …(pa2) yell out, grab, race after, jump… attack, throw …on top of; race, drag… Read through the second story again and give the main idea in one sentence.Anecdote TwoOld Tom saved a whaler James who was washed off the boat.1. What is the severe situation of James in the
second story?
2. How did Old Tom help James?
3. Why do you think he did this?*Please describe the relationship among killers , the whalers and baleen whales.Whales are now an endangered species.Close your eyesClose your eyesDiscussionWhat does the last whale want to tell humans? What can we do to help them?HomeworkWrite a short passage about what we can do to help whales. (100 words)