英语人教版九年级全册unit13 period1.docx

Unit 13 Were trying to save the earth! 第一课时教学设计一、教学目标：1. 语言知识目标基本词汇：litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin,基本词组： play a part in, o, make a difference 基本句型：Were trying to save the earth! The river used to be so clean. The air is badly polluted. 2. 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: 有环境危机意识，学会关注环境保护环境。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:Step 1 PresentationSing a song and show the pictures of the earth and tell students the earth is polluted now. Listen to the music, Do you like sunshine? If the sunshine is like this, the sea is like this ,(show pictures)，do you like it all the same?We must think of better way to treat our planet in future.Step 2 Learning 1aHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.Step 3. Listening1. 1b Listen and complete the sentences.Step 4 Practice1. Role-play the conversation in 1c.Step 5 Listening1. 2b Listen again and complete the sentences.2. Listen and answer the questions.1) Who is the interviewer talking to?2) What are they talking?3) What other problems do they see?Keys: Susan and Jason.The environmental problems.Theres too much rubbish and waste in the streets.Step6 PracticeUse the information in 2a and 2b to role-play conversations between Jason and Susan.Step7. Reading1. Read 2d and complete the chart.ProblemsSolving problemsair pollutionwaste pollution2. Role-play the conversation.Step8.Summary and language point1.try to do =try ones best to do 努力去做某事。play a part in 在方面起作用 turn into 把变成 make a difference (to) 表示(对)产生影响或作用2take, spend, pay & costtake，spend，pay和cost都可以表示“花费”，但它们的用法各有不同。1) take多表示花费时间，常用于It takes sb. some time to do sth.这一句型中，其中it作形式主语。 e.g. It usually takes me 40 minutes to cook the dinner.2) spend多表示花费时间和金钱，主语通常是人，常用于sb. spend(s) some time / money on sth.和sb. spend(s) some time / money (in) doing sth.两种句型。 e.g. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on TV every day.3) pay多表示花费金钱，主语通常是人，常用于sb. pay(s) some money for sth.句型。 e.g. Tommy paid 20 yuan for his breakfast yesterday.4) cost多表示花费金钱，主语通常是物，常用于sth. cost(s) (sb.) some money. 句型。 e.g. The new dress cost Linda 88 yuan.Step9.Exercise 翻译1.街道上充满了垃圾。 The street _ _ _ rubbish.2. 乱扔垃圾造成污染。_ causes pollution.4. 这座城市过去如此的干净。The city _ _ (过去) be so clean.5. 过去山上有那么多的树。There _ _ _ (过去有) so many trees on the hills.6.我们正在竭尽全力拯救地球!7.你能把花变成钱吗？8这条河过去是如此的干净！选词填空根据句意用take, spend, pay或cost的适当形式填空。1) That new car _them lots of money.2) Mona _ 50 yuan on the books just now.3) It usually _me an hour to do my homework.4) You should _some time practising your pronunciation.5) My brother _6, 000 yuan for the