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人教版九年级英语 Unit 13 We’re trying to save the earth Se.doc

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人教版九年级英语 Unit 13 We’re trying to save the earth Section A (1a1c) 公开课教学设计  Unit 13 We’re trying to save the earth 第一课时 一、 教材分析 本单元带领学生了解了一些有关地球污染,动物濒危等问题、并且教给大家如何保护濒危动物,如何通过回收利用等方式来保护地球、本单元分为section A and section B 两个部分。本课为第一课时带领大家了解地球污染问题,以及探讨如何保护地球,减少污染、 二、 三维目标 (一) 知识与技能   1。 To learn the following words and expressions 、bottom, coal, public, ugly, cost, advantage, method, cruel, harmful, afford、 2。 To understand the passage on Page 99、 (二) 过程和方法    3、 To get a general knowledge of pollution by reading and role—play、    4、 To know about how to reduce pollution through discussion。 (三) 情感态度和价值观    5、 After learning this part, every student will be aware of the serious situation of pollution and determined to take action to protect our earth from now on、 三、 教学重点 1、 How to use the following words and expressions: cost, advantage, harmful, afford, used to, play a part in…   2、 to understand the passage on Page 99、 四、 教学难点   1、 How to use the following words and expressions: cost, advantage, harmful, afford, used to, play a part in…   2。 to understand the passage on Page 99、 五、           教学策略   根据本课教学目标和重点内容,教师可采用听,读,小组讨论,角色扮演等活动来引导学生进行学习、 六、 教学准备 ppt, recorder, mutiple—media 七、  教学环节 1、 课堂导入 Step 1 Lead-in 1) Show some pictures about pollution and ask students to discuss what’ s the danger of each kind of pollution、 2) Here are some words are related to different kinds of pollution。 Write them in the box below, and you can add more words。 loud music, littering, building houses, cars, ships, mobile phones, rubbish, factories, planes, smoking、    Air  pollution    Noise pollution Water       3)   Role-play the following conversation and make your own conversations about the kinds of pollution above、 A: The river was dirty。 Even the bottom of the river is full of rubbish、 B: But it used to be so clean。 A: Yes, but people are littering in the river。 B: Everyone in the town should play a part in cleaning it up。 2、 课堂讲授 Step 2、 Reading   1)Fast-reading Now turn to page 99 and read the page quickly to find answers to the sheet、    Questions    Answers Where  shark’s fin soup is popular Southern  China Numbers  of sharks caught and traded every year 70  million How  much the numbers of some kinds of sharks have fallen in the last 20-30 years。 over  90 percent Two  environment groups which are against finning Wild Aid  and the WWF 2)careful-reading Read the passage again and fill in blanks、 so, although, if but, when ① Many people do not realize they are killing a whole shark___________ they enjoy a bowl of shark’s 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 been dangered, ___________ they are wrong。 ④ _______________ there are no scientific studies to support this, a lot of people believe that shark's fins are good for health。 ⑤Sharks may disappear one day __________ we do not do something to stop the sale of shark's fins、 Possible answers: when, so, but, although, if 3) Studying useful words and expressions、 ① cost v价钱为,花费  n。价钱,代价;花费,费用 The cost of a loaf of bread has increased five—fold、。 一条面包得价钱增长了4倍。 Badges are also available at a cost of £2。50。 徽章也有卖得,2、5英镑一枚、 It's going to cost me over $100,000 to buy new trucks。 买几辆新卡车将花掉我10万多美元、 ② harmful adj。对…有害得;能造成损害得;不利;不良 Smoking is harmful to our health、 吸烟对人类得健康有害、 ③ used to do过去一向,过去时常,过去曾(而现在不再)做 Who used to do your laundry? 谁过去一直为您洗衣服? She used to wash dishes in a restaurant、她曾经在餐馆里洗过盘子。 ④ afford vt。买得起;担负得起;提供;给予 We couldn't afford to buy a new car、 我们买不起新得车、 We can’t afford to wait、 我们等不起。 My parents can't even afford a new refrigerator。 我父母甚至买不起一台新冰箱。 ⑤ play apart in扮演某角色; 与…有关,对…有影响 I’d like to play a part in their discussion、 我愿意参与她们得讨论。 Education is playing a big part in environmental protection。 教育在环境保护中起着很大作用。 He played a part in his  favorite TV show、 她在她最喜欢得电视节目中扮演了一个角色、 3、 课堂练习 Step 3Exercises Translate the following phrases: 1、  对…有害 2、  买得起…、、 3。  在……中起作用 4、  过去常常 5、  解决问题 6。  起作用 7、  听说 8。  在……顶部 9、  在……底部 10、          切下,割下 4、 课堂活动 Step 4 Activities\ In your group make a list of things people can do to help the environment、 5、 课堂小结 Step 5、 Summarize Look back on what we have learned。 1。  How to protect environment、 2、  Useful languages :be harmful to, at the top of, at the bottom of、 Solve problems… 6、 作业布置 Homework : make a conversation with your partner about what you can do to reduce pollution。 八、           板书设计 九、           教学反思   通过本课学习,学生们了解了污染以及污染带来得危害,以及保护动物得必要性。学完本课后,同学们要积极行动起来,为保护环境,保护动物作贡献、
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