高二英语 选修7 导学案全集2.docVIP

Unit Three Under the sea (1 )Reading Aims and Demands: Knowledge skills, ⑴ Wholly understand the text ⑵ Sentence structure ⑶ useful words ands expressions Process method, ⑴ Group work and discussion ⑵ ss. read the text Emotion values, Make the ss. wholly recognize the sea world Learning Skills: ⑴ wholly read and understand the text ⑵ Do Ex. 1 P54 ⑶ Do reading task on the newspaper Teaching aids: A computer and a projector, a recorder, and some famous paintings. Main Points; Step 1 About killer whales Food — top killers in the ocean. Fishes, squids, seals, sea lions, birds, sea turtles,penguins, polar bears,etc. Methods of collecting food — killer whales often hunt cooperatively in groups for food. They work together to encircle and herd prey into a small area before attacking. Where do they live? — They can be found in all oceans but seem to prefer coastal waters and cooler regions. How many killer whales are there? — They are no official killer whale worldwide population estimates. How well do they see or hear? — They have well-developed, acute senses. They can hear a vast range of sounds and have excellent vision in and out of water. How do killer whales have their young? — Killer whale males reach breeding age when they are around 22 feet long while females can breed when they are about 16 feet long. They breed all year round. Female killer whales usually give birth every 3 to 10 years. How long do killer whales live? — They can live to about 50-80 years old. Step 2 Reading I. Background Information 1.author: 2.career: 3.writing style: 4.content: 5.place: 6.time: 7.title: II. Understanding 1.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.