高中英语选修七unit3课件.ppt

1、Unit 3 Under the seaUnit 3 Under the sea刘晓静刘晓静Now,we are on a snorkeling trip under the sea.Later,well come across a great variety of marine mri:nanimals.Guess what well see?What are those?DolphinsWhats this?JellyfishdelifiLook Its coming towards us.Thatis a Seaturtle.That looks beautiful!Its a sea

2、horse.Oh,some other different oceanic animals!sea flower/anemonesea starsea starcoralcoralDifferent kinds of little fishesDifferent kinds of little fishesAn Angel fishSea flowers Clownklaun fishesA shark is coming Dangerous!He notices us We must go now.We are safe now.And I catch a sea star near the

3、 shoreIf you like,you can go to see more about If you like,you can go to see more about the ocean life the ocean life at an aquarium,on a boat trip,on a boat trip,or,in books,on the Internet,in the Ocean Park,on TV etc.Pre-Reading:Guess what is the name of this animal?A Killer Whale!Killer whale 虎鲸虎

4、鲸What do you know about killer whales?Common name:Killer WhaleIntroduction:Males can reach lengths up to 27 feet and can weigh up to 12,000 lb.You can tell an adult male from an adult female by the shape of their dorsal d):slfin(males longer,up to 6 feet tall).killer whales are found in all oceans o

5、f the world.As a group,killer whales are known to eat fish,squidskwid,seals,sea lions,penguins,even other whales.Thus,they are called“Killer Whales”Scientific name:Orcinus OrcaReadingOld Tom the killer whale1._ was 16 years of age when he went to work at the whaling station.2._ ordered Clancy to go

6、to the boat as there was a whale out there in the bay.ClancyGeorgeTask 1:Fill in the blanks with names mentioned in the text.Fast-readingFast-reading3._ 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.Old TomJ

7、ackDo the Do the“TrueTrue”or or“FalseFalse”exercises.exercises.1.1.The author believed the story The author believed the story was truth at the very beginning.was truth at the very beginning.2.The killer whale was throwing 2.The killer whale was throwing itself out of the water and then itself out o

8、f the water and then crashing down again just to play.crashing down again just to play.3.Old Tom swim by our boat,showing3.Old Tom swim by our boat,showing us the way.us the way.4.The whale caught by the killers 4.The whale caught by the killers died and its whole body was eaten died and its whole b

9、ody was eaten by the killers.by the killers.5.James was afraid of being 5.James was afraid of being abandoned by us.abandoned by us.6.No one saved James,and he was 6.No one saved James,and he was killed by a shark.killed by a shark.Task 2:Read the text carefully againand fill in the blanks.Before th

10、e huntThe killer whale threw itself out of the _ and then _ down again.It swam by the _,showing the whalers the way.watercrashedboatDuring the huntThe killers were working as a _.Some were throwing themselves on _ of the whales blow-hole to stop it _.Others were stopping it _ out to sea.After the hu

11、ntThe killers _ the dead body down into the _ of the sea,having a good feed on its lips and _.tongueteamtopbreathingfleeingdraggeddepthsTask 3:(Reading and speaking)Task 3:(Reading and speaking)Please read the passage again,and in Please read the passage again,and in pairs,answer the following quest

12、ions.pairs,answer the following questions.1.1.What evidence was there that Old What evidence was there that Old Tom was helping the whalers out?Tom was helping the whalers out?Careful-readingCareful-readingEvidence of helping the whalersthrow itself out of the water and crash down again.Let the whal

13、ers know that there was a baleen whale nearby.swim by the boat Showing the whalers the way to the hunt2.What other animals did the author 2.What other animals did the author compare the killer whales with?Why compare the killer whales with?Why do you think the killer whales do you think the killer w

14、hales behaved like this?behaved like this?Dogs.Because they knew that,together with the whalers,they would soon kill the baleen whale and get a good feed.3.Why did George think that the killer 3.Why did George think that the killer whales worked as a team?whales worked as a team?Because he could see

15、 that some of the killers were throwing themselves on top of the whales blowhole while others were preventing it from diving or fleeing out to sea.4.Why did the whalers allow the killer 4.Why did the whalers allow the killer whales to drag the whale away?whales to drag the whale away?Because they kn

16、ew the killer whales would leave the rest of the body to them.5.Why did the whalers return homewithout the whales body?Because the body would not float tothe surface until about 24 hours later.6.How did Old Tom help James?Why 6.How did Old Tom help James?Why do you think he did this?do you think he did this?Old Tom prevented James from drowning.Old Tom wanted to help his human friends.1.1.The text is mainly about _.The text is mainly about _.A.the killer whales are easily trained A.the killer wh