Unit-13-We-are-trying-to-save-the-earth!教案(何)

九年级英语集体备课教案九年级英语集体备课教案 Unit 13 We re trying to save the earth 一 教学目标 一 教学目标 1 语言知识目标语言知识目标 基本词汇基本词汇 litter advantage bottom fisherman coal ugly cost wooden plastic takeaway bin shark fin method cruel Harmful chain ecosystem industry law scientific afford reusable transportation recycle napkin upside gate bottle president inspiration iron work metal creativity 基本词组基本词组 be harmful to at the top of sth take part in turn off take action throw away put sth to good use pull down bring back 基本句型基本句型 We re trying to save the earth The river used to be so clean The air is badly polluted No scientific studies have showed that shark fins are good for health We should help save the sharks 2 技能目标技能目标 能正确运用现在进行时 现在完成时 被动语态 情态动词和 used to 句型 3 情感目标情感目标 有环境危机意识 学会关注环境保护环境 二 教学重难点 二 教学重难点 1 教学重点 1 能正确运用现在进行时 现在完成时 被动语态 情态动 词和 used to 句型 2 保护环境的措施方法 2 教学难点 能正确运用现在进行时 现在完成时 被动语态 情态动词和 used to 句型 课时安排 课时安排 Period1 SectionA 1a 1c Period2 SectionA 2a 2d Period3 SectionA 3a 3b Period4 SectionA Grammar focus 4c Period5 SectionB 1a 1e Period6 SectionB 2a 2b Period7 SectionB 2c 2e Period8 SectionB 3a self check Unit 13 We re trying to save the earth Period1 SectionA 1a 1c 一 教学目标 一 教学目标 1 语言知识目标语言知识目标 基本词汇基本词汇 litter advantage bottom fisherman 基本词组基本词组 be harmful to at the top of sth 基本句型基本句型 We re trying to save the earth The river used to be so clean The air is badly polluted No scientific studies have showed that shark fins are good for health We should help save the sharks 2 技能目标技能目标 能正确运用现在进行时 现在完成时 被动语态 情态动词和 used to 句型 3 情感目标情感目标 有环境危机意识 学会关注环境保护环境 二 教学重难点 二 教学重难点 1 教学重点 1 能正确运用现在进行时 现在完成时 被动语态 情态动 词和 used to 句型 2 保护环境的措施方法 2 教学难点 能正确运用现在进行时 现在完成时 被动语态 情态动词和 used to 句型 三 教学步骤三 教学步骤 I Presentation Show the picture of the earth and tell students the earth is polluted now For example 1 The factories that burn coal pollute the air with a lot of black smoke 2 Factories put waste into the river 3 People should throw away litter in the bin 4 There are more cars on the road Learn some new words II Work on 1a Here are some words related to different kinds of pollution Write them in the box below Then add more words loud music cars rubbish planes littering ships factories smoking building houses mobile phones noise pollution air pollution water pollution III Listening 1 Work on1b Listen and complete the sentences What was the problem The river was Even the bottom 底部 of the river was full of There were no more for fishermen 渔民 to catch What caused the problem People are throwing into the river Factories are putting into the river How should the problem be solved We should write to the and ask them to the factories Everyone should help to the river 2 Listen again and answer the following questions 1 What does Tony want to do later this afternoon He wants to go swimming with Mark in the river later this afternoon 2 Why doesn t Mark want to go with Tony Because the river was really dirty Even the bottom of the river was full of rubbish and there were no more fish for fishermen to catch 3 How was the river in the past It used to be so clean It has been the nicest river in this town IV Practice 1 Role play the conversation in 1c Mark The river was dirty Even the bottom of the river was full of rubbish Tony But it used to be so clean Mark Yes but people are throwing litter into the river Tony Everyone in this town should play a part in cleaning it up 2 Make conversations using the pollution in 1a A The river has always been the nicest river in this town B Yes it used to be so clean A But I was there last weekend and the river was really dirty B What caused the problem A People are throwing litter into the river B What should we do A Factories are also putting waste into the river B Yes everyone in this town should play a part A We should write to the government and ask them to close down the factories B What else can we do A Everyone should help to clean up the river V Language points 1 We re trying to save the earth 我们正在竭尽全力拯救地球 try to do try one s best to do 努力去做某事 e g We ll try to finish the work in a week 我们将努力在一周内完成这项工作 2 Here are some words related to different kinds of pollution be related to 与 有关 e g Is the driver relate to the accident 司机和这起事故有关吗 3 Even the bottom of the river was full of rubbish Yes but people are throwing litter into the river litter 和 rubbish 都可指 垃圾 用作不可数名词 rubbish 指 没用的东西 被扔或将要丢弃的无用的东西 不可回收 litter 指 室内或公共场所 乱扔的废物 纸屑 不要的包装纸 废瓶等 还可回 收 e g Throw the rubbish out 把垃圾扔出去 The room is full of rubbish 房间里堆满了垃圾 Pick up your litter after a picnic 野餐后将废弃物收拾好 VI Homework 根据句意 从方框中选择恰当的单词填空 有的需要变换形式 bin cost coal fisherman takeaway 1 A hot fell out of the fire and burnt the carpet 地毯 2 A is hot cooked food that you buy from a shop or restaurant and eat somewhere else 3 Do you want this or shall I throw it in the 4 Writing such a long novel much time and patience 5 Look Some are catching fish over there 教学反思 教学反思 法制渗透 法制渗透 Unit 13 We re trying to save the earth Period2 SectionA 2a 2d 一 教学目标 一 教学目标 1 语言知识目标语言知识目标 基本词汇基本词汇 coal ugly cost wooden plastic takeaway bin shark fin 基本词组基本词组 be harmful to at the top of sth take part in turn off take action throw away put sth to good use pull down bring back 基本句型基本句型 We re trying to save the earth The river used to be so clean The air is badly polluted No scientific studies have showed that shark fins are good for health We should help save the sharks 2 技能目标技能目标 能正确运用现在进行时 现在完成时 被动语态 情态动词和 used to 句型 3 情感目标情感目标 有环境危机意识 学会关注环境保护环境 二 教学重难点 二 教学重难点 1 教学重点 1 能正确运用现在进行时 现在完成时 被动语态 情态动 词和 used to 句型 2 保护环境的措施方法 2 教学难点 能正确运用现在进行时 现在完成时 被动语态 情态动词和 used to 句型 Teaching steps I Listening 1 Work on 2a Listen to the interview Circle the kinds of pollution that Jason and Susan talk about A land pollution B air pollution C noise pollution D water pollution 2 Work on 2b Listen again and complete the sentences 1 The air is badly polluted because there are on the road these days 2 Factories that burn coal also the air with a lot of black smoke 3 There is also too much rubbish and waste People things every day 4 People are also littering in like parks This is turning beautiful places into ugly 丑陋 ones II Practice Work on 2c Use the information in 2a and 2b to role play conversations between Jason and Susan Jason The air has become really polluted around here I m getting very worried Susan Yes I used to be able to see stars in the sky Jason The problem is that III Discussion Ask students what we should do to save the earth Help students answer turn off the lights when you leave a room stop riding in cars stop using paper towels or napkins recycle books and paper IV Reading 1 Read 2d and complete the chart ProblemsSolving problems air pollution waste pollution wooden 木头的 chopsticks or plastic forks rubbish 2 Role play the conversation Interviewer Jason and Susan what are your ideas for solving these problems Jason Well to cut down air pollution we should take the bus or subway instead of driving Susan Yeah or ride a bike There are other advantages 优点 of bike riding It s good for health and it doesn t cost 花费 anything Interviewer Great ideas What about waste pollution Susan Mmm I think simple things like bringing a bag to go shopping can help I started doing that a year ago Jason Me too Also I never take wooden chopsticks or plastic 塑料 forks when I buy takeaway 外卖食品 food I use the ones at home Susan And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone Interviewer So together our actions can make a difference and lead to a better future V Language points 1 It s good for health and it doesn t cost anything cost v 花费 使付出 指花费金钱 主语通常是物 cost 的过去式和过去分词均为 cost e g The new shirt cost Mr Wang 200 yuan 王先生花了 200 元买了新衬衫 How much does the new computer cost 新电脑花了多少钱 辨析 take spend pay Take buses instead of driving cars Recycle books and paper 2 There are some animals are endangered We should do something to protect the animals and the environment III Discussion 1 What do you know about shark 鲨鱼 2 Do you think sharks can be endangered Why 3 What do you think might cause a fall in the number of sharks IV Reading 1 Complete the fact sheet in 3a Where shark fin soup is popular Number of sharks caught and traded every year How much the numbers of some kinds of sharks have fallen in the last 20 to 30 years Two environmental groups which are against finning 2 Retell the passage shark s fin soup in southern China each time cut off no longer not only but also at the top drop be endangered the strongest around 70 million fallen by over 90 percent WildAid and the WWF develop laws scientific studies V Practice Work on 3b Read the passage and fill 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 ocean s 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 VI Language points 1 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 相当于 not any longer e g Mr Brown no longer works here 布朗先生不再在这里工作了 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 only but 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 e g Not only had the poor man been fined but also he had been sent to prison 这个可怜的人不仅被罚款 而且还被送进了监狱 be harmful to 对 有害 e g Smoking is harmful to the health 吸烟有害健康 Playing computer games much is harmful to students 电脑游戏玩太多对学生有害 3 Sharks are at the top of the food chain in the ocean s 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 e g He shouted at the top of his voice in order that he might be heard 他尽力大声叫喊 以便别人能听见 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 此句复数形式的 number 表达全海洋中鲨鱼的总量 当表示数值的高或低时 number 要用 high 或 low 修饰 e g In that country the number of children going to school is higher in cities than in towns and village 在那个国家 城市儿童入学人数比乡镇及农村要高 常与 number 搭配的动词有 grow fall 等 e g The number of families that own cars has been growing quickly recently 近来拥有轿车的家庭数量增长很快 VII Exercise 根据句意及所给汉语提示 写出句中所缺单词 根据句意及所给汉语提示 写出句中所缺单词 1 Don t play a joke on him about his weight it s 残忍的 2 You are supposed to know the 法律 of your own country 3 Can these toys be 回收利用 4 These materials are widely used in 工业 5 They walked because they couldn t 负担得起 a taxi 6 To solve this problem we need to learn more 科学的 knowledge VIII Homework Write 5 measures to protect the environment Unit 13 We re trying to save the earth Period4 SectionA Grammar focus 4c 一 教学目标 一 教学目标 1 语言知识目标语言知识目标 基本词汇基本词汇 law scientific afford reusable transportation 基本词组基本词组 be harmful to at the top of sth take part in turn off take action throw away put sth to good use pull down bring back 基本句型基本句型 We re trying to save the earth The river used to be so clean The air is badly polluted No scientific studies have showed that shark fins are good for health We should help save the sharks 2 技能目标技能目标 能正确运用现在进行时 现在完成时 被动语态 情态动词和 used to 句型 3 情感目标情感目标 有环境危机意识 学会关注环境保护环境 二 教学重难点 二 教学重难点 1 教学重点 1 能正确运用现在进行时 现在完成时 被动语态 情态动 词和 used to 句型 2 保护环境的措施方法 2 教学难点 能正确运用现在进行时 现在完成时 被动语态 情态动词和 used to 句型 三 三 Teaching Steps I Revision 1 Check if you know these phrases 不同种类的污染 河底 把垃圾扔到河里 在 中起作用 在中国南部 对 有害 在 顶部 海洋生态系统 2 Translation 甚至河底都满是垃圾 这个方法不仅残酷还对环境有害 鲨鱼处于海洋食物链的顶部 许多人相信鱼翅对健康有好处 II Grammar Focus Pay attention to the sentences 1 We re trying to save the earth 2 The river used to be so clean 3 The air is badly polluted 4 No scientific studies have shown that shark fins are good for health 5 We should help save the sharks 1 现在进行时 Present Progressive 定义 表示说话时 瞬间 正在进行的动作 也表示目前或现阶段一直进行 的动作 结构 be am is are v ing 标志词 Look Listen now right now e g Look The boy is crying 2 used to do 与 be used to doing used to do sth 表示过去常常做某事 而现在往往不做了 后接动词原形 be used to doing sth 表示习惯于做某事 e g I used to get up at six o clock Joe is used to drinking a cup of coffee every morning 3 被动语态 Passive voice 定义 表示主语是动作的承受者 即行为动作的对象的一种语态 结构 be 过去分词 e g A new school was built last year Our classroom is cleaned every day 4 现在完成时 Present Perfect 定义 表示动作已经完成 但对现在造成影响 或者表示从过去某一时间开始 一直延续到现在并还可能持续下去的动作 结构 has have 过去分词 标志词 already yet ever never since for e g I haven t finished my homework yet 5 情态动词 1 情态动词本身有一定的词义 表示说话人的情绪 态度或语气 但不能 单独作谓语 只能与其他动词构成谓语 常见的有 can could may might must need shall should will would 等 2 情态动词无人称和数的变化 后接动词原形 否定式是在情态动词后面加 not 个别情态动词有过去式形式 可用来表达更加客气 委婉的语气 e g Ken can climb up the tress like a koala Tracy could ride a bicycle when she was five years old You mustn t play with fire It is dangerous III Practice 1 Work on 4a Fill in the blanks with the correct forms of the verbs in brackets 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 1 000 people come to help out Joe That s fantastic I guess everyone in this city is try to improve the environment Eric Yes we can t afford to wait any longer to take action Learn some new words and expressions 2 Work on 4b Fill in the blanks with the appropriate modal verbs from the box The words are can would could have to should must may might People 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 it s 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 it s far you take the bus All these small things add up and become big things that improve the environment Let s take action now Learn some new words and expressions 3 Work on 4c Make a list of things that people can do to help the environment and discuss your list with your partner use public transportation n 交通运输 turn off the lights when you leave a room use reusable bags instead of plastic bags ride your bike or walk to school or work stop using paper napkins recycle books and paper 4 Discussion A I think that everyone should use public transportation B I disagree It s difficult for parents with young children to use public transportation IV Language points 1 We can t afford to wait any longer to take action afford v 承担得起 提供 给予 afford to do sth 常与 can be ble to 连用 买得起 有足够的 e g We can t afford to pay such a price 我们付不起这个价钱 Dancing affords us pleasure 跳舞给我们带来快乐 2 save electricity by turning off the lights when you leave a room turn off 关掉 e g Please turn the television off before you go to bed 睡觉前请关掉电视 拓展 turn 相关短语 turn around 转身 turn up 调高 音量 turn down 调低 拒绝 turn into 变成 进入 turn on 打开 发动 turn off 关掉 关闭 turn out to be 结果是 turn over 移交 V Homework Finish the exercises in the workbook 教学反思 教学反思 Unit 13 We re trying to save the earth Period5 SectionB 1a 1e 一 教学目标 一 教学目标 1 语言知识目标语言知识目标 基本词汇基本词汇 litter advantage bottom fisherman coal ugly cost wooden plastic takeaway bin shark fin method cruel Harmful chain ecosystem industry law scientific afford reusable transportation recycle napkin upside gate bottle president inspiration iron work metal creativity 基本词组基本词组 turn off the lights ride a bike recycle paper be harmful to at the top of sth take part in turn off take action throw away put sth to good use pull down bring back 基本句型基本句型 We re trying to save the earth The river used to be so clean The air is badly polluted No scientific studies have showed that shark fins are good for health We should help save the sharks 2 技能目标技能目标 能正确运用现在进行时 现在完成时 被动语态 情态动词和 used to 句型 3 情感目标情感目标 有环境危机意识 学会关注环境保护环境 二 教学重难点 二 教学重难点 1 教学重点 1 能正确运用现在进行时 现在完成时 被动语态 情态动 词和 used to 句型 2 保护环境的措施方法 2 教学难点 能正确运用现在进行时 现在完成时 被动语态 情态动词和 used to 句型 三 三 Teaching steps I Warming up 1 T How can we do to help save the earth Turn off the lights when you leave a room Stop riding in cars Stopping using paper towels or napkins Recycle books and paper Turn off the shower while you are washing your hair You can help reduce pollution by putting that soda can in a different bin Don t use paper napkins 2 Work on 1a What can we do to help save the earth Rank these items from the easiest 1 to the most difficult 5 stop riding in cars recycle books and paper turn off the lights when you leave a room turn off the shower while you are washing your hair don t use paper napkins 3 Work on 1b Compare your answers in 1a with your partner II Listening 1c 1d 1 Listen and check the things that Julia and Jack talk about 2 Check the things that Julia is doing now the things she will do in the future and the things she would never do 3 Check the answers with the whole class Things Julia and Jack talk about Things Julia is doing now Things Julia will do in the future Things Julia would never do turning off the light turning off the shower stopping using paper napkins taking your own bags when shopping not riding in cars riding a bike recycling paper III Practice Make a conversation using the information from the chart in 1c Say what is true for you Language goal A We really shouldn t use paper napins you know B I know I stopped using them last year IV Exercise 根据句意及所给首字母提示 补全句中所缺单词 根据句意及所给首字母提示 补全句中所缺单词 1 He walked through a wooden g into the field behind his house 2 Many kinds of m are used to make the parts of this machine 3 This painting is one of Matisse s greatest w 4 The milk b is empty Who drank up the milk 5 George Washington was the first P of the United States V Homework 根据句意 从方框中选择恰当的单词填空 有的需要变换形式 根据句意 从方框中选择恰当的单词填空 有的需要变换形式 napkin iron creat