选修7 Unit 3 Under the sea reading(广东省汕头市)

课件59张PPT。Reading Warming up Benthal world /undersea world Have you seen plants and animals that live under the sea? Where did you see them?On a snorkeling tripAt an aquariumOn a boat tourIn booksIn filmsOn TM nature programmesOn the internetWatch the photos and try to write down the name of the animal or the plant in your exercise books.sharkdolphinanemoneanemone fishcoralsea starturtlesea horse coral jellyfish angel fish 天使鱼 jellyfish 水母 seal 海豹 bowhead
大头鲸bluewhale octopus章鱼oyster 牡蛎lobster 龙虾crab krill磷虾 Krill, group of shrimp-like crustacean (甲壳类), is known to be the main food of baleen whales Diver 潜水员Pre-readingDo you know about whales?such as the baleen whales the killer whales king of the sea, biggest carnivore(食肉动物) of the sea, killing all kinds of animals in the sea, even the huge blue whale, like tiger on land, working in a team.killer whalesbaleen whaleshalieutics sharkNew wordsannual
witnessv. 目击，做证
n. 目击者，证人，证词每年的 somewhere to live or stay, often also providing food or other services 住宿 accommodation:the depth of the ocean 海洋深处distance from the top to the down 深度the land along the edge of the sea or ocean 岸，滨 depths: shore:打包, 收拾行李逃跑, 消失遗弃, 抛弃 flee
pack
abandonComprehending Teaching task 1: Please listen to the reading, and then in groups, describe the relationship between Old Tom and the whalers and then fill in the form.An old man called ClancyA whaleranecdotesAustralia At the beginning of the 20th centuryKiller whales helped whalers catch baleen whalesTeaching task 2: Put the events in the reading passage into this timeline.1. Clancy arrived at the whaling station.4. The men went to the boat and headed out for a whale hunt.
2. He heard a loud noise coming from the bay.3. He saw a huge animal in the water, which was Old Tom, the killer whale.
7. The killers ate the lips and tongue of the baleen whale.5. The killer whale guided the team to the hunt.6.Clancy and his men killed the baleen whale with the help of the killers.8. The men returned for the baleen whale the next day.Teaching task 3: (Reading and speaking)
Please read the reading again, and in pairs, answer the following questions.
1. What evidence was there that Old Tom was helping the whalers out?
Evidence of helping the whalersthrow itself out of the water and crash down again.Let the whalers 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 compare the killer whales with? Why do you think the killer whales 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
whales worked as a team?
Because he could see that some of the killers were throwing themselves on top of the whale’s blowhole while others were preventing it from diving or fleeing out to sea.4. Why did the whalers allow the killer whales to drag the whale away?
Because they knew the killer whales would leave the rest of the body to them.5. How did Old Tom help James? Why do you think he did this?
Old Tom prevented James from drowning.
Old Tom wanted to help his human friends.Teaching task 4: Read the text carefully
and fill in the blanks.watercrashedboattongueteamtopbreathingfleeingdraggeddepths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 waterTeaching task 5: (Discussing)B2. According to the text, which of the following is TRUE?
A. The fierce killers would attack people when they were hungry.
B. The author didn’t believe the killers helped the whalers catch whales at first.
C. One of the whalers, George, liked being kept waiting.
D. The killers could race whales as well as excited dogs.B3. 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 awayA4.What is the main idea of the first anecdote?
A. About a hunting experience of old Tom.
B. About how the killer whales helps the whalers to hunt a whale.
C. About how the whalers killed Old Tom.
D. About how the killer whales killed the whales.B5. What does the word “it” in the sentence “He let it go and the harpoon hit the spot” refer to?
A. The whale. B. The boat.
C. The harpoon. D. The killer.C6. What’s the main idea of the second anecdote?
A. Fierce killers, like Old Tom, could protect people.
B. James was washed off the boat.
C. It was hard to handle the boat in rough sea.
D. Old Tom rescued James from other killers.A7. Why did the whalers go home without bringing in the body of the whale?
A. They just did the hunting for fun.
B. They left it eaten up by the killers.
C. It was dragged to the depths of the sea.
D. They just waited for it to float up.D8. 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：9.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 themA10. 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.Working at the _______(whale) station, I had _________ whales killed many times with my own eyes. On the afternoon I arrived at the station, as I ___________ (sort 短语) my accommodation, I heard a loud noise coming from the bay. Running down to the shore in time, we saw an _________ (huge同义词)animal. whalingwitnessedwas sorting outenormousFill in the blanks according to the passage.“It is called Old Tom, the killer.” George said as he ran ahead____ me. __ the distance we could see that something was happening. As we ___________ (draw 短语), I could see a whale____________ by a _____ of about six sharks. Being badly wounded, the whale soon died. Very soon, its body was dragged by the sharks down into the ________ of the sea.ofIn drew nearerbeing attackedpackdepthsAlthough 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