1、Unit13 SectionA（3a-4c） 教案1.0 Teaching analysis教情分析 1.1 Teaching objectives 教学目标1.1.1 Language goals 语言目标1.1.1.1 Key Words and Chunks 1.1.1.1.1 For applying: cruel, harmful, be harmful to, at the top of, industry, law, scientific, take part in, afford, turn off, pay for, take action 1.1.1.1.2 For com
2、prehending: shark, fin, chain, the food chain, ecosystem, reusable, transportation1.1.1.2 Sentence Structures1) Many have heard of shark fin soup.2) But do you realize that youre killing a whole shark each time you enjoy a bowl of shark fin soup?3) This is not only cruel, but also harmful to the env
3、ironment.4) Sharks are at the top of the food chain in the oceans ecosystem.5) If their numbers drop too low, it will bring danger to all ocean life. 6) Without a fin, a shark can no longer swim and slowly dies.7) The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 3
4、0 years.8) They have even asked governments to develop laws to stop the sale of shark fins.9) So far, no scientific studies have shown that shark fins are good for health, so why eat them?10) We cant afford to wait any longer to take action!1.1.1.3 Grammar Focus1） But do you realize that youre killi
5、ng a whole shark each time you enjoy a bowl of shark fin soup? (each time 引导时间状语从句，意为“每当”)2） This is not only cruel, but also harmful to the environment. (not onlybut also连接两个并列成分，意为“不仅而且”)3） So far, no scientific studies have shown that shark fins are good for health, so why eat them? (so far意为“到目前
6、为止”，是现在完成时的标志)4） Without a fin, a shark can no longer swim and slowly dies. (no longer意为“不再”，等于not any longer)1.1.2 Ability goals 能力目标1.1.2.1 To review the present perfect tense and the passive voice.1.1.2.2 To enable Ss to learn some of the key words and expressions in the reading passage.1.1.2.3 T
7、o cultivate Ss to read for specific ideas and the structure of the passage.1.1.3 Emotional goals 情感目标 1.1.3.1 To help Ss understand the present situation of sharks. 1.1.3.2 To raise Ss awareness of protecting animals.1.2 Important and difficult teaching points 教学重难点1.2.1 Enable Ss to learn and apply
8、 the sentence patterns.1.2.2 Enable Ss to know the sharks are in danger.1.2.3 Guide Ss to help save the sharks.2.0 Student analysis学情分析2.1 Fundamental State基本情况通过本单元第一课时的学习，学生基本上激活了已有的语言知识，对本单元的话题（pollution and environmental protection）已经有所感知，对于environmental problems, how to solve air pollution, how
9、 to solve waste pollution等内容有了更深入的学习。本课时从环境污染过渡到动物保护，加深学生环境保护的意识。2.2 Knowledge Reserve知识储备 第一课时的学习，围绕单元话题pollution and environmental protection，让学生的知识得到了扩展，丰富了环境保护话题下的语言输入内容，提出了具体的环保措施，为本课时保护动物话题积累了语言基础。2.3 Class data本班实际本班学生有比较明确的学习目的，能够在小组活动中互相帮助，积极与他人合作，敢于用英语进行表达。本课时的阅读文段Save the sharks！这个关于动物的话题
10、是学生比较感兴趣的内容，但是部分词汇，如food chain, ecosystem, industry和个别句型结构较为复杂，学生理解上应该有一定的难度。教师可结合课堂实际情况，指导鼓励学生小组学习，讨论认知新的复杂的语言结构，扫清阅读障碍。3.0 Teaching methods教法建议3.1 thematic teaching method主题教学法3.2 Self-directed learning method自主学习法3.3 Discussion method讨论法 4.0 教学辅助 blackboard and chalk, computer, projector, movie5.
11、0 Teaching procedures 教学进程5.1 Leading-in and warming-up 引入与激趣活动5.1.1 In order to lead in the main topic, T can get Ss to watch a short video. Then ask:Q1. Why do people catch sharks?Q2. What will happen if sharks dont have their fins?Q3. What do you think of the action?5.1.2 Guide Ss to have a free
12、talk in groups and share their ideas with each other.5.2 Reading Practice阅读训练5.2.1 Pre-reading 读前导入5.2.1.1Present some pictures and learn the new words and expressions.5.2.1.2 Ask Ss some questions to see how much they know about the sharks.1. Do you know sharks are endangered? 2. Why do you think t
13、hey are endangered?3. Where do sharks live? 4. Are they all very big? 5. What do they eat? 6. Is the number of sharks decreasing(减少)? 7. Why do people catch them?5.2.2 While-reading 读中理解5.2.2.1 Ask Ss to skim the passage and find out the main idea for each paragraph.Para 1 Youre killing a whole shar
14、k when you enjoy a bowl of shark fin soup.Para 2 Bad things happen when people cut off sharks fins.Para 3 Environmental protection groups have done things to protect sharks.5.2.2.2Ask Ss to scan the passage and complete the fact sheet. Answers:1. in southern China2. around 70 million3. over 90 perce
15、nt4. WildAid and the WWF5.2.2.3Guide Ss to scan the passage and then finish 3b, fill in the blanks with the words in the box.Answers:1. when2. so3. but4. Although5. if5.2.2.4Get Ss to listen to the recording and read along with it at the same time. While reading, lets pay enough attention to the pau
16、ses, the pronunciation and the intonation of the native reader.5.2.3 Post-reading 读后提升5.2.3.1 Guide Ss to read the second and the third paragraphs and fill in the blanks in order to help memorize the details.Answers: 1. cut off2. throw 3. back4. swim5. dies6. drop7. bring8. are teaching9. to develop
17、 laws 5.3 New points interpretation 新知感悟（贴标签）5.3.1 Discovering chunks 语块发现Get Ss to read the text once again, this time, and underline all the useful chunks in it. 1) Many have heard of shark fin soup.2) But do you realize that youre killing a whole shark each time you enjoy a bowl of shark fin soup
18、?3) When people catch sharks, they cut off their fins ad throw the shark back into the ocean.4) This is not only cruel, but also harmful to the environment.5) Sharks are at the top of the food chain in the oceans ecosystem.6) If their numbers drop too low, it will bring danger to all ocean life. 7)
19、Without a fin, a shark can no longer swim and slowly dies.8) In fact, around 70 million sharks are caught and traded in this industry every year.9) The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.10) They have even asked governments to develop laws to st
20、op the sale of shark fins.11) So far, no scientific studies have shown that shark fins are good for health, so why eat them?5.3.2 Analyzing chunks 语块分析5.3.2.1 This is not only cruel, but also harmful to the environment. not only but also表示“不仅而且”, 用于连接两个性质相同的词或短语。在使用not onlybut also时还应注意以下几点：1. 该结构中的
21、also有时可以省略。2. 当not onlybut also连接两个主语时，谓语动词的数原则上与其相近的主语保持一致。3. 为了强调，可将not only置于句首，此时其后的句子通常要用部分倒装的形式。5.3.2.2. Without a fin, a shark can no longer swim and slowly dies.辨析：no longer，no more 1. no longer中的longer是副词long的比较级，long有after a certain point of time(在某一时刻以后)之意，着重表示时间的不再延续，意为“如今不再”。no longer =
22、 not. any longer。2. no more中的more是many / much的比较级，more有again之意，着重表示数量或程度的减少，意为“再也没有更多(大)的数量(程度)”。no more = not. any more。5.3.3 Using chunks 语块运用 Guide Ss to know the meanings of the following sentences and make similar new sentences of their own. And get some Ss to share their original sentences. 5.
23、3.3.1So far, no scientific studies have shown that shark fins are good for health, so why eat them? (P99) 【原句翻译】_【仿写造句】so far_5.3.3.2This is not only cruel, but also harmful to the environment. (P99 )【原句翻译】_【仿写造句】not onlybut also _ 5.3.3.3Without a fin, a shark can no longer swim and slowly dies. (P
24、99)【原句翻译】_【仿写造句】no longer _5.4 Practice and Consolidation 练习与巩固1. 你听说过那个故事吗？ Have you ever _ _ that story?2. Jane不仅喜欢音乐，还喜欢电影。 Jane likes _ _ music _ _ movies.3. 抽烟对健康有害。 Smoking _ _ _ health.4. Henry asked his mother _ (not have) shark fin soup.5. Excuse me, is this Mr. Greens office? Sorry, but he
25、 _ works here. A. no more B. any longer C. no longer D. doesnt5.5 SummaryGuide Ss to work in groups and make a summary about:Q1:What have you learnt in this period? Q2: What do you still have problem with?Q3: How will you work out the problems?Get the Group leader (GL) to share their summary. Put some key points on the Bd to form a clear mind map if possible.Homework 课后作业 Get Ss to tell their parents the present situation of sharks. Ask them not to have shark fin soup and play a part in saving the sharks and other endangered animals.
