高中英语 Unit3 Reading教学课件 新人教版必修7 课件VIP专享VIP免费

高二人教新课标版选修七Unit 3 Under the seaReading Pre-readingPre-readingDo you know about whales?Baby Blue Whale Gray Whale Killer Whale Right Whale White WhaleSperm Whale Minke Different kinds of whaleskiller whale ( 虎鲸 )Killer 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. 虎鲸 /杀手鲸 Baleen whales have no teeth but instead have baleen plates with which the whales can filter the food out of the water.须鲸On the top of the head, toothed whales have a single blowhole( 呼吸孔 ), the baleen whales have two blowholes, which open only when the whale takes a breath.annual migrationMost baleen whales migrate over the entire globe, moving from the Antarctic( 南极 ) where they feed on kill, to the sub-tropics ( 亚热带 ), where they breed and spend the winter season. feed in summer in cold waters and spend the winter in warmer waters without an abundance of food.What is a whaler ？It can be: a person who hunts whales; a ship used for hunting whales.Killer whales are attacking a baleen whale with whalers waiting by in their boat, harpoon( 鱼叉 ) at the ready.What is happening in the picture?baleen whalewritercareer writing styletimeplacemain charactermain ideaBackgroundClancya whaleranecdotes ( 轶事 ; 奇闻 )at the beginning of the 20th century AustraliaWhalers, killer whales and baleen whalesThe killer whale helped the whalers to kill a baleen whaleFast - readingFast - reading1.Who is Old Tom? What is the first anecdote about? And how about the second one?2. Why did Old Tom throw itself out of the water and then crash down again? 3. Why did the whalers return home without the whale...