英语人教版九年级全册Unit 13 1a-2d.doc

Unit 13 Were trying to save the earth!Section A (1a-2d)一、教学目标：1. 语言知识目标基本词汇：pollution,litter, advantage, bottom, coal, ugly, cost, wooden, plastic, waste.基本词组：play a part in,make a difference (to),lead to, cut down,instead of, throw away基本句型：The earth is badly polluted.The river used to be so clean.How should the problem be solved?Were trying to save the earth! 2. 技能目标: 能正确运用现在进行时，被动语态，情态动词。3. 情感目标: 有环境危机意识，学会关注环境、保护环境。二、学情分析：这班九年级的学生有一定的英语学习基础，但两极分化严重，听说读写及综合运用语言的能力薄弱，所以只能尽量借助课件，把课堂模拟成生活，并通过老师的引导，为学生创造情境，激发学生用英语进行交际；同时注重教学质量，根据本节课的重、难点精心设计了足够的练习来检验学生的学习效果。本节课根据学生的学习特点，由浅到深，逐步展开，使学生便于理解，易于掌握，提高学生听说读写的能力，提高英语的课堂效率。三、教学重难点： 1. 教学重点：（1）能正确运用一般现在时和含有情态动词的被动语态。（2）保护环境的重要性和措施。2. 教学难点：如何减少污染，拯救地球。四、教学过程:I. Lead-inShow the picture of the earth and tell students the earth is polluted now. Why is the earth polluted ? Because of pollution.(1)Because of pollution, our sky isnt blue any more.(2)Because of pollution, the water isnt clean any more.(3)Because of pollution, more and more people suffer from cancer.(4)Because of pollution, many animals were killed.(5)Because of pollution, more and more animals dont have places to live in.Can you think of different kinds of pollution?For example: (1) air pollution:The factories that burn coal pollute the air with a lot of black smoke.(2)water pollution: Factories put waste into the river.(3)noise pollution:There are more cars on the road. (4)land pollution:People should throw away litter in the bin.II. Learning1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.III. Listening 1b Listen and complete the sentence.IV. PracticeRole-play the conversation in 1c.Everyone in this town should play a part in cleaning it up! play a part in 在方面起作用 e.g. A good diet plays a large part in helping people live longer. 健康的饮食在帮助人们长寿方面起着非常大的作用。play a part 在中扮演角色 e.g. He was invited to play a part in this TV play. 他被邀请参加这个电视剧的演出。V. Listening1. 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.2. 2b Listen again and complete the sentences.VI.DiscussionAsk students what we should do to save the earth and help students answer. VII. Reading2d 1.Read the conversation quickly and find out the answer to the question: What kinds of pollutionare mentioned in this conversation? 2.Read the conversation again and complete the blanks.PollutionWays to solve the problemAir pollutionTake the bus or subway instead of driving;Ride a bike.Waste pollutionBring a bag to go shopping;Use chopsticks or forks at home;Throw rubbish in the bins VIII. 当堂测试 I. 单项选择。1. Eating too much sugar can _ healthy problems. A. get to B. lead to C. point to D. able to2. How much is the ticket to Central Park? A one-way ticket _ $40, and you can _ another $20 for a round-trip. A. costs, pay B. cost, spend C. pay, spend D. spends, pay3. We must do something useful to _ pollution. A. cut off B. cut up C . cut down D. cut in 4. He _ go out with his parents, but now he _ staying at home alone. A. used to; is used to B. is used to; used to C. use to; is used to D. is used to; is used toII. 根据汉语意思完成下列句子。 1. 咱们玩纸牌吧，别看电视了。 Lets play cards _ _ watching TV. 2. 这个木箱装满了书。The _box_ _ _books. 3. 我们的行动会起作用，并且通向更好的未来。 Our actions can _ a difference and lead to a _ future. make a difference (to) 表示(对)产生影响或作用 e.g. Do you think his words would make any difference to the final decision? 你认为他的话会对最后的决定产生影 响吗？ IX.Make a poster : Save the earth!X.Homework:We have only one earth,find out as many ways to solve pollution problems as possible.五、板书设计： .Unit 13 Were trying to save the earth!Take the bus or subway instead of driving;Ride a bike.Bring a bag to go shopping; Use chopsticks or forks at home .Throw rubbish in the binsSave the earth!六、教学反思：在这节课的教学中，我尽量挖掘教材，找出这四部分内容的内在联系，通过一些过渡性的英