人教版九年级Unit 13 We're trying to save the earth!-Section B 2a—2e-ppt课件-(含教案+素材)-公开课-(编号：722a1).zip
Section B Reading 人教版 Go for it!九年级Unit 13 throw away bottles put to good use They can be put to good use. a beautiful art work/ piece Rethink, Reuse, Recycle! an old boat turned upside down iron (metal) Rethink, Reuse, Recycle! Predicting It is about how to create ways to things that are not wanted anymore prefixes(前缀前缀) : change the meanings of words use things that are not wanted anymore. Skimming Para.1 The writers opinion about _ Para.2 A _ built out of rubbish Para.3 _ made from old clothes Para.4 _ made of iron and other materials from cars Get the main ideas of each paragraph. waste house Bags Art pieces How many parts can it be divided into? Part 1 Part 2 recycling N ames W here What materials did they use? What did they make/ build? Amy Hayes Jessica Wong old clothes Wang Tao iron and other materials from old cars windows and doors of old /an old boat/ rocks / old glass bottles Scanning house bags beautiful art pieces Complete the chart. Hong Kong the UK Shanghai (rubbish) build out of make out of Detailed reading Do you often throw away things you dont need anymore? Have you ever thought about how these things can actually be put to good use? Nothing is a waste if you have a creative mind. Para.1 The writers opinion about waste What does the writer think of waste? If you are _ enough, you can _things _ instead of throwing them away. creative put to good use You have probably never heard of Amy Hayes, but she is a most unusual woman. She lives in a house in the UK that she built herself out of rubbish. The windows and doors come from old buildings around her town that were pulled down. The top of the house is an old boat turned upside down. And the gate in front of her house is made of rocks and old glass bottles. Amy recently won a prize from the Help Save Our Planet Society. The president said, “Amy is an inspiration to us all.” Para.2 A house built out of rubbish Detailed reading House parts the windows and doors the top of the house the gate You have probably never heard of Amy Hayes, but she is a most unusual woman. She lives in a house in the UK that she built herself out of rubbish. The windows and doors come from old buildings around her town that were pulled down. The top of the house is an old boat turned upside down. And the gate in front of her house is made of rocks and old glass bottles. Amy recently won a prize from the Help Save Our Planet Society. The president said, “Amy is an inspiration to us all.” Para.2 A house built out of rubbish What did Amy win recently? She recently won a prize from the Help Save Our Planet Society. Why could she win the prize? Because she encourages us to _. n.激励激励 Detailed reading environmental protection group put waste to good use inspires Share your opinion: What do you think of Amy? Amy is creative/ unusual is good at recycling. tries her best to save the environment. encourages us to put waste to good use. opened set up plan to write a book make bags out of a few years go Amy isnt the only one who is good at recycling. Jessica Wong from Hong Kong uses old clothes that people dont wear anymore to make bags. She has been doing this for a few years now. She opened a small shop where she sells her bags, and she has also set up a website to sell them online. She especially likes to use old jeans to make handbags. Her bags are cute and useful. “I plan to write a book about new ways to use old clothes,” she said. “I hope people can read my book and enjoy it!” Para.3 Bags made from old clothes Detailed reading Hong Kong What When PlanHow Where Jessica Wong Thinking: Why does she plan to write such a book? She hopes people can read her book and learn to put old clothes to good use. Wang Tao set up a small business in Shanghai four years ago. He is known for using iron and other materials from old cars to make beautiful art pieces. Some are large pieces that look like animals or humans, and some are smaller pieces you can put at home. The more popular works can even been seen in art shops around the city. Wang Tao hopes to set up a “metal art” theme park to show people the importance of environmental protection. Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity. Para4 Art pieces made of iron and other materials from cars Think out as many questions as you can and ask your classmates. Detailed reading The art can not only bring happiness to others, but also show that even cold, hard iron can be brought back to life with a little creativity. suffixes(后缀后缀) : change the part of speech of words 创造力创造力 (n.) create (v.) creative (adj.) Understanding prefixes(前缀前缀) and suffixes(后缀后缀). Recognize how prefixes and suffixes may change the meanings of words and how they are used. think use usual recycle build create special recent environment important protect inspire Underline the words in the passage based on the words below. Reading strategy thinkrethink use reuse useful usualunusual recyclerecycling buildbuilding create creative creativity specialespecially recent recently environmentenvironmental importantimportance protectprotection inspire inspiration Words with prefixes and suffixes think re think use re use use ful usual un usual recyclerecycl ing build build ing create creat ive creat ivity specialespecially recent recent ly environment environment al important importan ce protect protect ion inspire inspira tion v. v. v. v. v. adj. adj. adj. adj. v. v. n. use v. suffixes (后缀后缀) prefixes (前缀前缀) v. v. adj. adv. adv. adj. adj. adj. n. n. n. n. n. n. change the meanings of words change the part of speech of words prefixes (前缀前缀) suffixes(后缀后缀) friendly - expensive - honest - polite - unfriendly inexpensive dishonest impolite “im-, dis-, in-, un-”are prefixes that mean “no, not”. “re-”is a prefix that means “again”. “-y, -ful, -al, -less, -tive, -sive” are suffixes for adj. cloud - success - nation - home - act - cloudy successful national homeless active sing - excite- protect - discuss - build - singer excitement protection discussion building “-er/or, -ment, -tion, -sion, -ing” are suffixes for nouns. adj. n. Further thinking What does the writer want to tell us? Tell us the importance of environmental protection. Encourage people to take action to protect the environment. Tell us to reuse and recycle. Discussion What can we do to reuse and recycle? 1.reuse old clothes/ books/ bottles 2.take our own bags when shopping 2.not use paper napkins/ plastic bags 3.not use wooden chopsticks 4.learn to do waste sorting Discussion Besides waste recycling, what other things can we do to protect the environment? 1.turn off the lights when you leave a room 2.spend less time in the shower 3.take public transportation rather than drive 4.plant trees 5.not smoke It starts from you and me to save the environment. Lets take action So together, our actions can make a difference and lead to a better future! 1.Finish 2c. 2.Write down the words with prefixes and suffixes. prefixes(前缀前缀) & suffixes(后缀后缀) “re-”is a prefix that means “again”. re- _ “im-, dis-, in-, un-”are prefixes that mean “no, not”. im- _ dis- _ in- _ un- _ “-y, -ful, -al, -less, -tive, -sive” are suffixes for adj. -y _ -ful _ -al _ -less _ -tive _ -sive _ “-er/or, -ment, -tion, -sion, -ing” are suffixes for nouns. -er _ -or _ -ment _ -tion _ -sion _ -ing _ 1 教学目标 语言知识目标： 1. 词汇: work(n.), iron, metal, inspiration, creativity 短语: throw away，put sth. to good use, upside down, pull down. 2. 句型: Amy built a house out of rubbish. Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity. 3. 了解前缀后缀。 语言技能目标： 1. 能运用预测、扫读、跳读、细读等阅读策略快速地完成相关任务。 2. 能以文中的人物为榜样，在生活中有意识地做一些力所能及的事情。 情感态度目标： 培养学生的环保意识，倡导大家从身边的小事做起，保护环境。 2 学情分析 在本单元的学习中，学生已意识到环境污染，环境需要大家的保护，所以根据 这篇文章可以进一步让学生了解保护环境有很多方式。而学生对于理解文章的 表层信息已具有一定的能力，如何以批判性思维的角度理解文章及作者的写作 意图还有待提高。 3 重点难点 教学重点：能运用相关阅读策略、了解前缀后缀。 教学难点：以批判性思维的角度理解文章及作者的写作意图。 5 教学过程 活动 1【导入】Step1 Free talk T: Today Ill divide you into two teams, Team A and Team B. Well have a competition. First lets enjoy some pictures and say something about them. S1: T: They are waste, but they can be useful things again. (比赛能调动学生的上课积极性，而欣赏与话题有关的图片可以让学生有 话可讲，并能自然地进入话题。) 活动 2【活动】Step2 Lead in T: For example, what are they? Ss: They are bottles. T: Yes, they are empty bottles. What do you usually do with the empty bottles? S: I usually throw the empty bottles away. T: But from the pictures, we know some people put them to good use. They can be put to good use. Look! This is a beautiful art work/ piece. （以其中一张空瓶子被制成的图片作为切入点，引出 bottle, throw away, put sth. to good use, beautiful art work/ piece 等词汇。 ） 活动 3【活动】Step3 Predicting T: Not only the bottles, but some other things in our life can also be put to good use. Whats that? Ss: Its a house. T: What do you think of it? Ss: I think its special. T：They are made of things that are not wanted anymore. So dont always throw away things that can be put to good use. We should rethink, reuse, recycle. They all have the letters re. If the letters are added in front of words, we call them prefixes. T: Now you know the pictures and the title quite well. Can you predict what the passage is about? Ss: Its about (通过描述文章中的三幅图片引出 upside down, iron, metal 等词汇。通过 描 述图片的共同点，教师顺势引导学生不要总是轻易扔掉那些可以被重新 使 用的物品，自然地引出本文的题目。并通过题目中三个单词的比较，引 出 本篇阅读文章的阅读策略之一：理解前缀。在讨论了图片和题目后，相 信 大部分学生可以预测文章的内容。 ） 活动 4【活动】Step4 Skimming T: Read the passage quickly and get the main idea of each paragraph. Whats the main idea of paragraph 1? Ss: T: Now how many parts can it be divided into? Ss: Two. T: Part 2 is about three examples of recycling. (通过快速阅读，了解文章的段落大意。) 活动 5【活动】Step5 Scanning T: But do you know who made these things? Read the passage again and complete the chart below the passage. Ss: (have finished) T: Who can tell me the first person? Where is she from? What did she make? What materials did she use? Ss: Amy Hayes. T: Now we know Amy Hayes in the UK built a house out of rubbish. Please tell us like this. (根据文中的表格扫描信息，教师引导学生把这些信息归纳成一个句子， 用上词组 build/ make out of.) 活动 6【活动】Step6 Detailed reading Para.1 T: The writer tells us these things can be put to good use. Whats his opinion? Read paragraph1 carefully. Ss: Nothing is a waste if you have a creative mind. T: If you are _ enough, you can _ things _ instead of throwing them away. (通过阅读第一段知晓作者的观点，并用另外的句型解释，再次使用 put sth. to good use) Para.2 T: Such as Amy Hayes. Lets know more about her. Read paragraph2 and tell me how many house parts are mentioned? What are they? Ss: . T: What did Amy win recently? The Help Save Our Planet Society, what is it? Why could she win the prize? Ss: . T: No wonder the president said Amy is an inspiration to us all. The word inspiration is a noun, and the verb is inspire. What do you think of Amy? Lets share your opinion. Ss: Amy is a most unusual woman. T: It means Amy is one of the most unusual women. Ss: . (了解 Amy 的详细信息，并让学生分享对她的看法。) Para.3 T: Is Amy the only one who is good at recycling? Read paragraph3 and finish the mind map. Thinking: Why does she plan to write such a book? (利用思维导图引导学生通过疑问词来说出问句。) Para.4 T: Now we know much about Amy and Jessica, what about Wang Tao? Lets listen and enjoy the sentences. Ss: (enjoy) T: Its your turn to think out some questions, then ask your classmates. Ss: (ask and answer the questions) T: No more questions? I have a question: What does the writer think of the art? Ss: Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity. T: Pay attention, when not only is at the beginning, the sentence should be inverted. The word creativity is a noun, what about the adj.? The verb? Ss: Creative, create. T: Here we can see the letters are added behind the words. We call them suffixes. (第四段的很多句子都很长，可以先倾听。在前面几段的铺垫下，教师把 提问权交给学生，培养他们的问题能力。如果有关键问题学生没有提及， 教师可以适当补充。从单词 creativity 到 creative, create 引出本篇文章的 阅 读策略之二：理解后缀。) 活动 7【活动】Step7 Understanding prefixes and suffixes T: Underline the words in the passage based on the words below. (after checking) Lets see the difference. Ss: Prefixes change the meanings of words. Suffixes change the part of speech of words. T: “re-”is a prefix that means “again”. “im-, dis-, in-, un-”are prefixes that mean “no, not”. So friendly Ss: Unfriendly (通过找出文章中带有前缀后缀的词进行归类，并引导学生说出添加前缀 后缀的变化。适当地增加学生对前缀后缀的了解，有利于词汇量的扩充。 ) 活动 8【活动】Step8 Further thinking T: Not only do we know prefixes and suffixes, but we also know about the passage. So what does the writer want to tell us? Ss: The writer wants to tell us (在知道整篇文章的信息后，鼓励学生去思考：作者想要告诉我们什么？) 活动 9【活动】Step9 Discussion T: What can we do to reuse and recycle? Discuss with your partners. Ss: We can use both sides of the paper. T: We can learn to do waste sorting. That means we can divide the waste into different groups. Besides waste recycling, what other things can we do to protect the environment? Ss: We can turn off the lights when we leave a room. T: So together, our actions can make a difference and lead to a better future! (话题由小到大进行讨论，引导学生做平常力所能及的事，激发环境保护 意识。) 活动 10【活动】Step10 Homework 1. Finish 2c. 2. Write down the words with prefixes and suffixes.
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Section B Reading 人教版 Go for it!九年级Unit 13 throw away bottles put to good use They can be put to good use. a beautiful art work/ piece Rethink, Reuse, Recycle! an old boat turned upside down iron (metal) Rethink, Reuse, Recycle! Predicting It is about how to create ways to things that are not wanted anymore prefixes(前缀前缀) : change the meanings of words use things that are not wanted anymore. Skimming Para.1 The writers opinion about _ Para.2 A _ built out of rubbish Para.3 _ made from old clothes Para.4 _ made of iron and other materials from cars Get the main ideas of each paragraph. waste house Bags Art pieces How many parts can it be divided into? Part 1 Part 2 recycling N ames W here What materials did they use? What did they make/ build? Amy Hayes Jessica Wong old clothes Wang Tao iron and other materials from old cars windows and doors of old /an old boat/ rocks / old glass bottles Scanning house bags beautiful art pieces Complete the chart. Hong Kong the UK Shanghai (rubbish) build out of make out of Detailed reading Do you often throw away things you dont need anymore? Have you ever thought about how these things can actually be put to good use? Nothing is a waste if you have a creative mind. Para.1 The writers opinion about waste What does the writer think of waste? If you are _ enough, you can _things _ instead of throwing them away. creative put to good use You have probably never heard of Amy Hayes, but she is a most unusual woman. She lives in a house in the UK that she built herself out of rubbish. The windows and doors come from old buildings around her town that were pulled down. The top of the house is an old boat turned upside down. And the gate in front of her house is made of rocks and old glass bottles. Amy recently won a prize from the Help Save Our Planet Society. The president said, “Amy is an inspiration to us all.” Para.2 A house built out of rubbish Detailed reading House parts the windows and doors the top of the house the gate You have probably never heard of Amy Hayes, but she is a most unusual woman. She lives in a house in the UK that she built herself out of rubbish. The windows and doors come from old buildings around her town that were pulled down. The top of the house is an old boat turned upside down. And the gate in front of her house is made of rocks and old glass bottles. Amy recently won a prize from the Help Save Our Planet Society. The president said, “Amy is an inspiration to us all.” Para.2 A house built out of rubbish What did Amy win recently? She recently won a prize from the Help Save Our Planet Society. Why could she win the prize? Because she encourages us to _. n.激励激励 Detailed reading environmental protection group put waste to good use inspires Share your opinion: What do you think of Amy? Amy is creative/ unusual is good at recycling. tries her best to save the environment. encourages us to put waste to good use. opened set up plan to write a book make bags out of a few years go Amy isnt the only one who is good at recycling. Jessica Wong from Hong Kong uses old clothes that people dont wear anymore to make bags. She has been doing this for a few years now. She opened a small shop where she sells her bags, and she has also set up a website to sell them online. She especially likes to use old jeans to make handbags. Her bags are cute and useful. “I plan to write a book about new ways to use old clothes,” she said. “I hope people can read my book and enjoy it!” Para.3 Bags made from old clothes Detailed reading Hong Kong What When PlanHow Where Jessica Wong Thinking: Why does she plan to write such a book? She hopes people can read her book and learn to put old clothes to good use. Wang Tao set up a small business in Shanghai four years ago. He is known for using iron and other materials from old cars to make beautiful art pieces. Some are large pieces that look like animals or humans, and some are smaller pieces you can put at home. The more popular works can even been seen in art shops around the city. Wang Tao hopes to set up a “metal art” theme park to show people the importance of environmental protection. Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity. Para4 Art pieces made of iron and other materials from cars Think out as many questions as you can and ask your classmates. Detailed reading The art can not only bring happiness to others, but also show that even cold, hard iron can be brought back to life with a little creativity. suffixes(后缀后缀) : change the part of speech of words 创造力创造力 (n.) create (v.) creative (adj.) Understanding prefixes(前缀前缀) and suffixes(后缀后缀). Recognize how prefixes and suffixes may change the meanings of words and how they are used. think use usual recycle build create special recent environment important protect inspire Underline the words in the passage based on the words below. Reading strategy thinkrethink use reuse useful usualunusual recyclerecycling buildbuilding create creative creativity specialespecially recent recently environmentenvironmental importantimportance protectprotection inspire inspiration Words with prefixes and suffixes think re think use re use use ful usual un usual recyclerecycl ing build build ing create creat ive creat ivity specialespecially recent recent ly environment environment al important importan ce protect protect ion inspire inspira tion v. v. v. v. v. adj. adj. adj. adj. v. v. n. use v. suffixes (后缀后缀) prefixes (前缀前缀) v. v. adj. adv. adv. adj. adj. adj. n. n. n. n. n. n. change the meanings of words change the part of speech of words prefixes (前缀前缀) suffixes(后缀后缀) friendly - expensive - honest - polite - unfriendly inexpensive dishonest impolite “im-, dis-, in-, un-”are prefixes that mean “no, not”. “re-”is a prefix that means “again”. “-y, -ful, -al, -less, -tive, -sive” are suffixes for adj. cloud - success - nation - home - act - cloudy successful national homeless active sing - excite- protect - discuss - build - singer excitement protection discussion building “-er/or, -ment, -tion, -sion, -ing” are suffixes for nouns. adj. n. Further thinking What does the writer want to tell us? Tell us the importance of environmental protection. Encourage people to take action to protect the environment. Tell us to reuse and recycle. Discussion What can we do to reuse and recycle? 1.reuse old clothes/ books/ bottles 2.take our own bags when shopping 2.not use paper napkins/ plastic bags 3.not use wooden chopsticks 4.learn to do waste sorting Discussion Besides waste recycling, what other things can we do to protect the environment? 1.turn off the lights when you leave a room 2.spend less time in the shower 3.take public transportation rather than drive 4.plant trees 5.not smoke It starts from you and me to save the environment. Lets take action So together, our actions can make a difference and lead to a better future! 1.Finish 2c. 2.Write down the words with prefixes and suffixes. prefixes(前缀前缀) & suffixes(后缀后缀) “re-”is a prefix that means “again”. re- _ “im-, dis-, in-, un-”are prefixes that mean “no, not”. im- _ dis- _ in- _ un- _ “-y, -ful, -al, -less, -tive, -sive” are suffixes for adj. -y _ -ful _ -al _ -less _ -tive _ -sive _ “-er/or, -ment, -tion, -sion, -ing” are suffixes for nouns. -er _ -or _ -ment _ -tion _ -sion _ -ing _ 1 教学目标 语言知识目标： 1. 词汇: work(n.), iron, metal, inspiration, creativity 短语: throw away，put sth. to good use, upside down, pull down. 2. 句型: Amy built a house out of rubbish. Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity. 3. 了解前缀后缀。 语言技能目标： 1. 能运用预测、扫读、跳读、细读等阅读策略快速地完成相关任务。 2. 能以文中的人物为榜样，在生活中有意识地做一些力所能及的事情。 情感态度目标： 培养学生的环保意识，倡导大家从身边的小事做起，保护环境。 2 学情分析 在本单元的学习中，学生已意识到环境污染，环境需要大家的保护，所以根据 这篇文章可以进一步让学生了解保护环境有很多方式。而学生对于理解文章的 表层信息已具有一定的能力，如何以批判性思维的角度理解文章及作者的写作 意图还有待提高。 3 重点难点 教学重点：能运用相关阅读策略、了解前缀后缀。 教学难点：以批判性思维的角度理解文章及作者的写作意图。 5 教学过程 活动 1【导入】Step1 Free talk T: Today Ill divide you into two teams, Team A and Team B. Well have a competition. First lets enjoy some pictures and say something about them. S1: T: They are waste, but they can be useful things again. (比赛能调动学生的上课积极性，而欣赏与话题有关的图片可以让学生有 话可讲，并能自然地进入话题。) 活动 2【活动】Step2 Lead in T: For example, what are they? Ss: They are bottles. T: Yes, they are empty bottles. What do you usually do with the empty bottles? S: I usually throw the empty bottles away. T: But from the pictures, we know some people put them to good use. They can be put to good use. Look! This is a beautiful art work/ piece. （以其中一张空瓶子被制成的图片作为切入点，引出 bottle, throw away, put sth. to good use, beautiful art work/ piece 等词汇。 ） 活动 3【活动】Step3 Predicting T: Not only the bottles, but some other things in our life can also be put to good use. Whats that? Ss: Its a house. T: What do you think of it? Ss: I think its special. T：They are made of things that are not wanted anymore. So dont always throw away things that can be put to good use. We should rethink, reuse, recycle. They all have the letters re. If the letters are added in front of words, we call them prefixes. T: Now you know the pictures and the title quite well. Can you predict what the passage is about? Ss: Its about (通过描述文章中的三幅图片引出 upside down, iron, metal 等词汇。通过 描 述图片的共同点，教师顺势引导学生不要总是轻易扔掉那些可以被重新 使 用的物品，自然地引出本文的题目。并通过题目中三个单词的比较，引 出 本篇阅读文章的阅读策略之一：理解前缀。在讨论了图片和题目后，相 信 大部分学生可以预测文章的内容。 ） 活动 4【活动】Step4 Skimming T: Read the passage quickly and get the main idea of each paragraph. Whats the main idea of paragraph 1? Ss: T: Now how many parts can it be divided into? Ss: Two. T: Part 2 is about three examples of recycling. (通过快速阅读，了解文章的段落大意。) 活动 5【活动】Step5 Scanning T: But do you know who made these things? Read the passage again and complete the chart below the passage. Ss: (have finished) T: Who can tell me the first person? Where is she from? What did she make? What materials did she use? Ss: Amy Hayes. T: Now we know Amy Hayes in the UK built a house out of rubbish. Please tell us like this. (根据文中的表格扫描信息，教师引导学生把这些信息归纳成一个句子， 用上词组 build/ make out of.) 活动 6【活动】Step6 Detailed reading Para.1 T: The writer tells us these things can be put to good use. Whats his opinion? Read paragraph1 carefully. Ss: Nothing is a waste if you have a creative mind. T: If you are _ enough, you can _ things _ instead of throwing them away. (通过阅读第一段知晓作者的观点，并用另外的句型解释，再次使用 put sth. to good use) Para.2 T: Such as Amy Hayes. Lets know more about her. Read paragraph2 and tell me how many house parts are mentioned? What are they? Ss: . T: What did Amy win recently? The Help Save Our Planet Society, what is it? Why could she win the prize? Ss: . T: No wonder the president said Amy is an inspiration to us all. The word inspiration is a noun, and the verb is inspire. What do you think of Amy? Lets share your opinion. Ss: Amy is a most unusual woman. T: It means Amy is one of the most unusual women. Ss: . (了解 Amy 的详细信息，并让学生分享对她的看法。) Para.3 T: Is Amy the only one who is good at recycling? Read paragraph3 and finish the mind map. Thinking: Why does she plan to write such a book? (利用思维导图引导学生通过疑问词来说出问句。) Para.4 T: Now we know much about Amy and Jessica, what about Wang Tao? Lets listen and enjoy the sentences. Ss: (enjoy) T: Its your turn to think out some questions, then ask your classmates. Ss: (ask and answer the questions) T: No more questions? I have a question: What does the writer think of the art? Ss: Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity. T: Pay attention, when not only is at the beginning, the sentence should be inverted. The word creativity is a noun, what about the adj.? The verb? Ss: Creative, create. T: Here we can see the letters are added behind the words. We call them suffixes. (第四段的很多句子都很长，可以先倾听。在前面几段的铺垫下，教师把 提问权交给学生，培养他们的问题能力。如果有关键问题学生没有提及， 教师可以适当补充。从单词 creativity 到 creative, create 引出本篇文章的 阅 读策略之二：理解后缀。) 活动 7【活动】Step7 Understanding prefixes and suffixes T: Underline the words in the passage based on the words below. (after checking) Lets see the difference. Ss: Prefixes change the meanings of words. Suffixes change the part of speech of words. T: “re-”is a prefix that means “again”. “im-, dis-, in-, un-”are prefixes that mean “no, not”. So friendly Ss: Unfriendly (通过找出文章中带有前缀后缀的词进行归类，并引导学生说出添加前缀 后缀的变化。适当地增加学生对前缀后缀的了解，有利于词汇量的扩充。 ) 活动 8【活动】Step8 Further thinking T: Not only do we know prefixes and suffixes, but we also know about the passage. So what does the writer want to tell us? Ss: The writer wants to tell us (在知道整篇文章的信息后，鼓励学生去思考：作者想要告诉我们什么？) 活动 9【活动】Step9 Discussion T: What can we do to reuse and recycle? Discuss with your partners. Ss: We can use both sides of the paper. T: We can learn to do waste sorting. That means we can divide the waste into different groups. Besides waste recycling, what other things can we do to protect the environment? Ss: We can turn off the lights when we leave a room. T: So together, our actions can make a difference and lead to a better future! (话题由小到大进行讨论，引导学生做平常力所能及的事，激发环境保护 意识。) 活动 10【活动】Step10 Homework 1. Finish 2c. 2. Write down the words with prefixes and suffixes.
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