英语人教版九年级全册unit 13 sectionA 3a-3b.doc

Unit 13 Were trying to save the earth! Section A 3a3b【Teaching aims】一 、Teaching language goals: 1、Master the key words and phrases: shark, fin, chain, ecosystem,cruel, harmful, industry, law, cut off. 2、Learn to use the key sentences: 1) Many have heard of shark fin soup. 2) When people catch sharks, they cut off their fins and throw the shark back into the ocean. 3) This is not only cruel, but also harmful to the environment.4) If their numbers drop too low, it will bring danger to all ocean life.二、Teaching ability goals: 1、Be able to understand the passages about sharks. 2、Improve students reading and speaking skills.三、Teaching emotion and attitude goals: Enable students to understand the serious situation of sharks and improve the awareness of protecting the endangered animals.【Teaching important points】 1、Master the new words and expressions. 2、Learn how to protect the endangered animals.【Teaching difficulties】Develop students comprehensive skill.【Teaching aids】An English textbook and a projector.【Teaching steps】Step 1: Lead-inPlay the video: Earth song.Play a game: Let students guess names of some animals,then show a picture of the food chain in the oceans ecosystem,and tell the students the truth is the sharks are at the top of the food chain,but they are in danger. Write: ecosystem, the food chain, at the top of, the sharks. (设计意图：通过游戏及展示学生熟悉的动物逐步导入鲨鱼保护的话题。）Step 2: Pre-readingSay:Today we will talk about this kind of endangered animal:sharks. Maybe some students will say :The sharks?They are the strongest in the ocean, and they are at the top of the food chain in the oceans ecosystem. So why ?Why are they endangered?Now today let me tell you the reasons.1、Show students pictures and ask them: What are they? Where are they from? Write: shark fins, shark fin soup. Say: Do you know how to get the shark fins?2 、Show students a video and then ask them: How do you feel? Do you still want to try the shark fin soup? Write: cruel, harmful. So we must do something to save the sharks! Write :Save before the sharks.(设计意图：了解学情的同时，帮助学生全面的了解鲨鱼，对接下来的阅读有所帮助。）Step 3 While-readingFast ReadingAsk:Now do you want to know more about sharks? Please turn to Page 99. (1min)1、Look through the article quickly and answer the question:Where is this article probably from?A. A book. B. A novel. C. A newspaper.2、 Read the title, the first and last sentences in each paragraph and match the main ideas.Talk about shark fin soup. Para. 3Sharks are endangered now. Para. 1Appeal to people against eating shark fins. Para. 2（设计意图：帮助学生理解文章的体裁以及作者的写作意图。）Careful Reading1、 Read Paragraph 1 and judge the sentences.Sharks fin soup is famous and expensive all around the world.Youre killing a whole shark when you enjoy a bowl of shark fin soup.（设计意图：细读第一段，帮助学生了解鲨鱼遭到猎杀的原因。）2、 Read Paragraph 2 ,then fill in the chart and answer the questions. Write: 70 million industry 90 percentAsk: Are they big numbers?Do you think sharks are really endangered? So,should we save sharks?(设计意图：通过填充表格理顺文章大意，然后通过回答问题找出本段主题句。再通过填表，找出数字，通过这些数字让学生更加直观地体会到鲨鱼锐减，濒临灭绝的现状。）3、 Read Paragraph 3 and judge the sentences.WildAid and the WWF are environmental protection groups in China.Two environmental groups appeal to develop laws to stop the sale of shark fins.Sharks fins are good for health. Write: develop laws no scientific studies（设计意图：由浅入深的阅读任务，帮助理清文章的脉络。）4、 Work on 3a.Where shark fin soup is popular southern ChinaHow governments can helpdevelop laws to stop the sale of shark finsTwo environmental groups against “finning” WildAid & the WWF(设计意图：让学生对鲨鱼的现状以及目前政府所采取的措施有更深层的了解。）Step 4: Post-reading 1、Retell the passage according to the words below.A whole shark has been killed each time you enjoy a bowl of shark fin soup. When people catch sharks, they _ their fins and throw the shark back into the ocean. Without a fin, a shark can _ swim and slowly dies. If sharks numbers drop too low, it will _all ocean life. _some kinds of sharks have fallen _ over 90 percent in the last 20 to 30 years.(设计意图：帮助学生运用阅读过的信息回顾课文。） 2、Work on 3b.Read the passage again and fill in the blanks with the words in the box.Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup.Sharks are at the top of the food chain, _ if their numbers drop, the oceans ecosystem will be in danger.Many think that sharks are too strong to be endangered, _ they are wrong. _ there are no scientific studies to support this, a lot of people believe that shark fins are good for health.Sharks may disappear one day _we do not do something to stop the sale of shark fins.（设计意图：整体阅读，帮助学生理解文本的逻辑关系，并关注细节。） 3、Say:Many people have already done something to save the sharks.Show a video again and let students try to think about some other ways to save the sharks in groups. Later have some students talk about their groups ideas and show some pictures to help them. (设计意图：通过让学生讨论出谋划策，活跃思维，开阔视野。）Step 5 : HomeworkWrite an article about a kind of endangered animal to ca