英语人教版九年级全册Unit13 SectionA(3a-3b).doc

备 课 记 录课题：.Unit 13 We are trying to save the earth . Section A 2 (3a-3c) 本课第 2 课时本学期第 14 课时课型：听说课主备人：田先凤审核人：集 体 备 课 记 录学科德育设计使用已学过的几种时态和句型谈论环境污染和保护的相关话题。教学目标1) 学习掌握下列单词和短语：shark, fin, method, cruel. Harmful, chain, ecosystem, industry, law, scientific。2) be harmful to, at the top(of sth.), take part in, turn off, take action, throw away2) 能掌握以下句型：.No scientific studies have showed that shark fins are good for health. We should help save the sharks 教学重点、难点1. 教学重点：1)掌握本课时中出现的生词shark, fin, method, cruel. Harmful, chain, ecosystem, industry, law, scientific2. 教学难点：根据阅读提炼出“保护动物”的话题的写作结构教学方法设计任务型教学法教学过程及板书设计教学环节设计. Revision(1) Role-play 2d.(2) Translate these sentences into English.甚至是河底都满是垃圾。这个小镇上的每个人都应该参加打扫。骑自行车有其它的优点。我买外卖食品从来不拿木筷子和塑料叉子。. Lead in(1) Teacher tells students the earth is badly polluted. What should we do to save the earth? Lets take action. For example: Turn off the lights when you leave a room; Take buses instead of driving carsRecycle books and paper. Discussion(1) Have you ever seen a shark?(2) What do you know about sharks?IV. Reading(1) Sharks are endangered, read the passage and judge the sentences.来源:zz#*Sharks fin（鱼鳍）soup is famous and expensive all around the world.We have to kill a whole shark to get a bowl of sharks fin soup.People cut off sharks fins and throw the sharks back into the ocean.Sharks are in the bottom of the food chain in the oceans ecosystem.Wild Aid and the WWF are environmental protection groups in China.Sharks fin s are good for health. . Careful Reading (1) Read the passage and dill in the blanks with the words in the box.1. Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup.2. Sharks are at the top of the food chain, _ if their numbers drop, the oceans ecosystem will be in danger.3. Many think that sharks are too strong to be endangered, _ they are wrong.4. _ there are no scientific studies to support this, a lot of people believe that shark fins are good for health.5. Sharks may disappear one day _ we do not do something to stop the sale of shark fins. (2) Retell the passage according to the words below.sharks fin soup, in southern China each time cut off no longer not onlybut also at the top drop be endangered the strongest around 70 million fallen by over 90 percent WildAid and the WWF develop laws scientific studiesVI. Language points1. A shark can no longer swim and slowly dies. 鲨鱼不能再游泳然后慢慢死掉。no longer意思是“不再” e.g. Im no longer a student. 我不再是个学生了。 有两个短语和no longer同义，即notany longer和notany more，e.g. You can drink no more. = You cant drink any more. 你不能再喝了。(喝酒的量到了一定程度，不能再继续下去了。) 2. This method is not only cruel, but also harmful to the environment. 这种方法不但残忍而且对环境有害。not onlybut also用于连接两个表示并列关系的成分，着重强调后者，其意为“不仅而且”; 其中的also有时可以省略。e.g. 1) She not only plays well, but also writes music. 她不仅很会演奏，而且还会作曲。 2) Not only men but also women were chosen. 不仅仅是男的，女的也有被选中的。 若连接两个成分作主语，其谓语通常与靠近的主语保持一致。e.g. Not only you but also he has to leave. 不只是你，他也得离开。 not only放在句首，后接句子时要用倒装结构。 be harmful to 对 有害e.g. Smoking is harmful to the health. 吸烟有损健康。 3. Sharks are at the top of the food chain in the oceans ecosystem. 鲨鱼位于海洋生物系统食物链的顶部。at the top of 在.最高地位; 用最高最大的(速度, 声音等) 4. If their numbers drop too low, it will bring danger to all ocean life. 如果它们的数目降至过低，会给所有海洋生物带来危险。e.g. In that country, the