新人教版高二英语选修七Unit 3　Under the sea Period 2　Pre－reading，Reading and Comprehending教案.doc

新人教版高二英语选修七Unit 3　Under the sea Period 2　Pre－reading，Reading and Comprehending教案 　　Period 2　Pre－reading，Reading and Comprehending 　　设计方案(一) 　　Teaching aims　　　 　　1．Grasp the basic information about the killer whales，such as size，habitat，food，how they hunt animals and the relationship with human beings. 　　2．Learn to re tell the two anecdotes with the help of some key words. 　　3．Make sure the students know that killer whales are friends of human beings and we should keep balance with nature. 　　Teaching procedures　　　 　　Step 1　Warming up and lead－in 　　Tell students we are on a snorkeling trip under the sea and will come across a great variety of marine animals and plants：dolphins，turtles，manatee，eels，octopus，squids，butterfly fish，kelp，sea star，angel fish，clown fish/anemone fish，parrotfish，sea flower/anemone，sea－slug，clam，coral，jellyfish，seahorse，shark，etc. 　　Step 2　Presentation 　　Make sure students know some basic information about the whales： 　　 　　 　　Background information 　　 　　writer 　　Clancy 　　career 　　a whaler 　　writing style 　　anecdotes 　　time 　　at the beginning of the 20th century 　　place 　　Australia 　　main character 　　whalers，killer whales，the baleen whales 　　main idea 　　the killer whales help the whalers to kill a baleen whale 　　 　　 　　 　　S tep 3　Skimming 　　Ask students to skim the passage quickly and answer the questions： 　　What is the first anecdote about？And how about the second one? 　　The first anecdote mainly talks about that ______. 　　A．Clancy began to work at a whaling station 　　B．the killer whales helped the whalers to catch a baleen whale 　　C．the killer whales hunted in a team and killed a baleen whale 　　D．Old Tom showed whalers the way to a baleen whale 　　Key：B 　　The second anecdote：Old Tom saved a whaler James who was washed off the boat. 　　Step 4　Scanning 　　Fill in the following blanks with the proper names： 　　1．______ was 16 years of age when he went to work at th e whaling st