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河南洛阳市东方第二中学张红亮Unit 13 Section A (3a-3b) 教学设计一Target language1. Knowledge goal：（1）to learn and to use new wordsshark fin , cut off , method ,cruel , harmful ,chain , ecosystem , low ,industry, law ,reusable, afford , transportation , be harmful to , at the top of , the food chain , scientific , take part in ,turn off , pay for , take action（2）to review key structuresWe're trying to save the earth.The river used to be clean.The air is badly polluted.2. Ability goal:After reading the passage about sharks ,students can learn reading skills and improve their reading level .Learn the skills from the passage like promoting a problem, analyzing the problem and solving it.3. Emotion goal:After reading the passage,make the students understand that saving the sharks is saving human beings themselves.Develope the sense of protecting our nature.二Teaching aidSlides shown三、Teaching procedures and waysStep I Warming up & Pre-readingShow students pictures about the earth. Say that the earth is badly polluted.What should we do to save the earth? Make a mini survey by asking students questions showing some pictures to help.Step II While-readingLeading-inDo you like sharks?Should we be friendly to sharks? Should we save the sharks?Task 1. Read the whole passage quickly and find out the answers to the questions.1. Have you ever seen a shark（鲨鱼）?2. What do you know about sharks?Task 2. Read Para. 1 and judge:1. Shark’s fin（鱼鳍）soup is famous and expensive all around the world.( )2. We have to kill a whole shark to get a bowl of shark’s fin soup. ( )Task 3. Read Para.2 and judge:1. People cut off sharks fins and throw the sharks back into the ocean. ( )2. Sharks are in the bottom of the food chain in the ocean’s ecosystem. ( )Task 4. Read Para. 3. and judge:1. WildAid and the WWF are environmental protection groups in China. ( )2. Shark’s fins are good for health. ( )Task 5. Read the passage again and fill in the blanks in 3aTask 4. Read the passage a third time and finish the exercises in 3b.Step III Post-readingTask 1.Discussion.Students work in groups and discuss:What can people do to save the sharks?As a middle school student, what can you do to save the sharks?Task 2. Writing.Students write a proposal with the guide of the teacher.Step IV explanation of some important points1 no longer和not…any longer侧重时间。
