英语人教版九年级全册Unit13 Section A 3a-4c.doc

课题Unit13 Were trying to save the earth.Section A(3a-4c)课型Reading主备人孙凤艳课时1使用时间2016.1.12学习目标1. 认知并掌握本课的词汇：ecosystem, industry, law, transportation, cruel, scientific, reusable, afford, shark fin, be harmful to, at the top of, the food chain, take part in, take action2. 熟练掌握应用: Present perfect tense(现在完成时)、Passive voice(被动语态)、Modal verbs(情态动词)3. 从听、说、读、写几方面提高学生语言技能。学习重难点【学习重点】 通过字里行间的细节推断文章没有明确表达的信息，并能正确运用各种句型结构发表自己的看法。【学习难点】 从听说读写多方面运用各种句型。 能力目标1. 根据篇章结构特点，从文中获取与“拯救鲨鱼”相关的细节信息；2. 有环境危机意识，学会关注环境保护环境。【教学步骤】 设 计意 图 第一环节：学案导学，自主学习( Activities before class)Self study 课前预习：一阅读P99-100后，英汉互译1.在中国南部_2.对有害_3.在顶部_4.海洋生态系统_5.这不仅残酷还对环境有害。_6.鲨鱼处于海洋食物链的顶端。_7.许多人认为鱼翅对健康有好处。_二Follow me 观察注意1. Many have heard of shark fin soup.2. Around 70 million sharks are caught and traded in this industry every year.3. You could save electricity by turning off the lights when you leave a room.三阅读3a回答问题:What do you think of the industry about “finning”(猎翅)?_第二环节：合作探究，交流展示(Pairwork / Groupwork)Step1. Check yourself.After the pre-view, do you have any other questions？Step2. Warm up.Have a pairwork. A: Whatshouldwedotostop the pollution?B: We can/ could/ might/should/would/mustStep3.Lead in.Show a short video about sharks.Step4. Reading1. Listen to the passage about sharks and answer the questions.2. Read the passage and fill in the fact sheet.(3a.)3. Read again, and then judgethesentences (T / F).Shark fin soupisespecially famousandexpensiveallaroundtheworld. ( )A whole shark will be killed when you enjoy a bowl of shark fin soup. ( )Peoplecutoffsharksfinsandthrowthesharksbackintotheocean. ( )Sharksareatthebottomofthefoodchainintheoceansecosystem. ( )WildAidandtheWWFareenvironmentalprotectiongroupsinChina. ( )Sharkfinsaregoodforhealth. ( )第三环节：突破疑难，精讲点拨Step5. Groupwork 3b. Discuss in your groups and fill in the blanks with the words in the box.so although if but when1. 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.第四环节：科学训练，迁移应用Step6. Improve yourselves.Different groups have different tasks, try to show yourselves!Group1. 4b. Fill in the blanks with the appropriate modal verbs from the box.(选择适当的情态动词填空，可以有多种答案哦！)can would could have to should must may/mightPeople _ think that big things _ be done to save the earth. Many forget that saving the earth begins with small things. For example, you _ save electricity by turning off the lights when you leave a room. You _ also use reusable bags instead of plastic bags. I think its a great idea that you now _ pay for plastic bags in some stores. And instead of driving to school or work, you _ ride your bike or walk. If its far, you _ take the bus. All these small things _ add up and become big things that _ improve the environment. Lets take action now! Group2. Give a report about sharks.(小记者向观众报道鲨鱼的现状)Im a reporter from _. Today we have learnt about the life of sharks. I feel so _. Some people like to eat _ which is popular in _.However, its reported that shark fins are not _ health. When people catch sharks, they _ their fins and _ the shark _ to the ocean. Without a fin, a shark will slowly die. Its not only _, but also _the environment. The numbers of some kinds of sharks _ by over 90 percent. WildAid and the WWF have asked governments to _ to stop the sale of shark fins. Lets help _!Group3. Make a list of things that people can do to help the environment and discuss your list with your partners. （例举生活中可做的环保事件，请以口头作文形式展示哦！）Things which can be done by people every day: take your own bags when you go shopping spend less time in the shower turn off the lights when you leave a room Things which have to be done by governments and organizations: make sure that factories put waste in a healthy way protect the forests and endangered animals not allow activities that seriously endanger the environment If I am the mayor(市长)our city, Ill_Step7 Grammar focus.第五环节：链接生活，拓展提升I. 单项选择( )1.- Have you ever _ Mr. Black, your new teacher?(丽水中考) - Yes, just a little. Hes very friendly.A. heard from B. hear out C. heard of D. hear about( )2. They _ a hit CD in the last six months.（天津中考）A. make B. made C. was made D. have made( )3. - Excuse me, whose book is this?（黄石中考） - It _ be Johns. It has his name on it.A. must B. need C. cant D. might ( )4. - How long _ the film _?（雅安中考） - For about ten minutes.A. did; begin B. has; begun C. has; been on D. has; been( )5. The classroom is so bright now. You should _ the lights.（绵阳中考）A. turn on B. turn up C. turn down D. turn offII. 用所给词的适当形式补全对话。(4a)Joe: _ you ever _ (take) part in an environmental project? Eric: Yes, I have. I _ (help) with a Clean-Up Day last year. It was _ (consider) the biggest clean-up project this city _ ever _ (have).Joe: How many people _ (take) part? Eric: I _ (think) more than 1,