人教新课标高二下学期选修七Unit3Warmingupandreading课件

Angel fish 天使鱼 parrotfish 鹦 鹉鱼 Sea Star海星 jellyfish 水母 sea-slug (海蛞蝓 /海兔） Anemone fish海葵鱼 Sea anemone 海葵 Coral 珊瑚 sea horse 海马 clam 蛤 gull 海鸥 seal 海豹 sea-turtle 海龟 Dolphins 海豚 Shark　鲨鱼 Baleen whale 须鲸 White whale白鲸Killer whale虎鲸 at an aquarium on a snorkelling trip •On a snorkeling trip •At an aquarium •On a boat tour •In books•In films •On TV nature programmes •On the Internet Names of some living things under the sea 1.jellyfish 水母 2.Seal 海狮 3.sea-slug 海兔（海蛞蝓） 4.sea-gull 海鸥 5. Anemone fish 海葵鱼 6.Sea anemone 海葵 7.Shark 鲨鱼 8.Turtle 海龟 10.sea star 海星 11.Whale 鲸 12.Coral 珊瑚 13. parrot fish鹦鹉鱼 14.Clam 蛤 15.Dolphin 海豚 16.Angelfish天使鱼 17.Baleen whale须鲸 18.Killer whaler虎鲸 19.White whale白鲸 Old Tom the Killer Whale Pre-reading Do you know about whales ? such as the baleen whales the killer whales Baleen whale 须鲸  须鲸体长约为15~20米，体重25吨左右。体形细长。背部黑色， 腹部白色，交界线波状或云状，过渡区呈灰色。喷出的水柱又 高又细，垂直。  须鲸类动物的体形巨大，最小的种类体长也大于6米。口中没有 牙齿，只有在胚胎发育时可以看到退化的牙齿，但上颌左右两 侧的腭部至咽部各生有150-400枚呈梳齿状排列的角质须。  须鲸的牙齿犹如巨大的毛发，与面部的绝大多数毛发一样。它 们的"毛牙"能够捕获猎物。捕猎时，它们张开大嘴，吞入海水、 磷虾和其他美味，而后享用被"毛牙"捕获的猎物。 Killer whale 虎鲸 虎鲸是一种大型齿鲸，身长为8-10米，体重9吨左右， 头部略圆，具有不明显的喙；背鳍高而直立，弯曲长达1 米；身体黑、白两色。嘴巴细长，牙齿锋利，性情凶猛， 食肉动物，善于进攻猎物，是企鹅、海豹等动物的天敌。 有时它们还袭击其它鲸类，甚至是大白鲨，可称得上是 “海上霸王”。虎鲸能发出62种不同的声音，而且这些声 音有着不同的含义，因此被称为鲸类中的“语言大师”。 Know more about killer whale • 1) Will the killer whales attack people and eat them? No. • 2) Does a female killer whale give birth to a baby whale or lay egg? Give birth to a baby whale. • 3) What does a newly-born baby killer whale feed on? C A. Small sea animals. B.sea plants. C. its mother’s milk • 4) Do the killers belong to the family of dolphins or whales？　 Dolphins. • 5)Male killer whales have a life expectancy(平均寿命) of ____ years，while females can live as long as ____ years. B D A．40－50　　B．50－60　　 C．60－70　　D．80－90 • 6)Killers are highly social animals that travel in groups called pods(群)．Pods usually consist of ____ whales. A．2－50 B．20－50 C．30－60 A baleen whale killer whales blow-hole whalers whale whales People who hunt whales Writer Career Writing style Time Place Main character Main idea Background Information 1. When did Clancy begin to believe that the killer whales would help the whalers to catch the huge whales? 2. Why did Old Tom throw itself out of the water and then crash down again? 3. why did George think that the killer whales worked as a team? 4. Why did the whalers return home 　without the whale’s body? 5. What’s the relationship between Old Tom and the whalers? 1. When did Clancy begin to believe that the killer whales would help the whalers to catch the huge whales? 2. Why did Old Tom throw itself out of the water and then crash down again? 3. why did George think that the killer whales worked as a team? 4. Why did the whalers return home 　without the whale’s body? 5. What’s the relationship between Old Tom and the whalers? What’s the first story mainly about? be present and see afterbefore grabbed jumped into headed out raced yelled out ran ahead of throw itself out of … and crash down again swim by the boat/ lead …to the hunt ___________killers are________ themselves on the top of the whale’s blow-hole to stop it _________; and some others are stopping it _______ out to sea. The killers started ________ between our boat and the whale just like a pack of _______ dogs. Within a moment or two, its body was _________ down into the depths of the sea. throwing breathing fleeing A pack of racing excited 拖沓 pulleddragged with effort ___________killers are ________ themselves on the top of the whale’s blow- hole to stop it __________; and some others are stopping it _______ out to sea. The killers started ________ between our boat and the whale just like a pack of _______ dogs. Within a moment or two, its body was _________ down into the depths of the sea. throwing breathing fleeing A pack of racing excited dragged • Which was Not the danger facing James? A. being washed off the boat. B. being carried away by rough waves. C. a shark out there. D. being attacked by another killer whale. summary Get the main ideas of the two anecdotes. describes a hunting experience about how the killer whales helped the whalers to hunt a whale. tells about how a killer whale protected and saved James, a whaler. • The first anecdote • The second one Although the killers were f_____hunters , they never h _____ or a_______ people. In fact , they p _______ them. However, whales are now in d______ . They are dying o___. ierce ttacked rotected armed anger ut • Word Filling