九年级英语
Unit 13 We’re trying to save the earth!
课型：新授 主备人：张明贞 审核：九年级组 拟用时间：2016. 元. 13 共6课时 课时安排 第一课时：Section A (1a---1c) 第二课时：Section A(2a---2d) 第三课时：Section A(3a---3b)
第四课时：Section A(grammar focus---4c) 第五课时：Section B(1a---1e) 第六课时：Section B(2a---Self Check)
Section A 1 (1a-2d) 总第 71 课时
【学习目标】
1. 词汇：litter, bottom, fisherman, coal,
短语：拯救地球 保护环境 空气污染 关掉 噪音污染 水污染 土地污染 在……方面起作用 嘈杂的音乐 修建房屋 在……的底部
2. 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。 【学习重难点】
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. 有环境危机意识，学会关注环境保护环境。 【预习检测】 汉译英：
拯救地球 保护环境 空气污染 关掉
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噪音污染 水污染 土地污染 在……方面起作用 嘈杂的音乐 修建房屋 在……的底部 【共同探究】
Today we are going to talk about pollution and environmental protection.
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.
【交流展示】 出示课件
Listen to the tape for the first time.
Listen to the tape for the second time and complete the sentences.
Keys: really dirty rubbish fish litter waste government
close down clean up 【精讲点拨】
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. Every student should try to study hard in order to study in a university. 为了进入大学学习，每个学生都应该努力学习。 2. Here are some words related to different kinds of pollution. be related to 与…有关
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e.g. I am not related to him in any way. 我和他无任何关系。 3. 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。 4. 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。 【反馈练习】 根据所学内容填空：
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.
Keys: more cars pollute are throwing away public places 【教学反思】 本节课成功之处：
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本节课需要改进之处：
Section A 2(2a---2d) 【学习目标】
词汇：ugly, cost, wooden, plastic, takeaway, bin
短语：badly pollute, more cars, burn coal, pollute the air, with a lot of black smoke, too much, rubbish and waste, throw away things, public places, turn….into. solve the problems, cut down , take the bus, instead of , 句子：
①这个小镇上的每个人都应该参加打扫。 ②骑自行车有其它的优点。
③我买外卖食品从来不拿木筷子和塑料叉子。 【学习重难点】
Teacher tells students the earth is badly polluted. What should we do to save the earth? Let’s take action. For example:
①Turn off the lights when you leave a room; ②Take buses instead of driving cars
③Recycle books and paper. 【学习过程】 【自我检测】
减少________ 公共场所 ________ 乘坐公交车或地铁 ________
其它的有利条件 ________ 对….有好处 ________ 简单的事情 ________ 把垃圾扔到垃圾厢里 ________ 起作用________ 引领更好的未来 ________ 【共同探究】
1. 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
A. land pollution B. air pollution
总第 72 课时
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C. noise pollution D. water pollution Keys: B A
2. 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.
Keys: more cars pollute are throwing away public places 3. 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.
There’s too much rubbish and waste in the streets. VII. Practice (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… VIII. 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.
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交流展示：
1. Read 2d and complete the chart. Problems air pollution waste pollution Solving problems wooden (木头的) chopsticks or plastic forks rubbish 【精讲点拨】
1. the advantage of doing sth. …的优点
He has the advantage of being tall. 2. litter, drop litter, throw litter about. litter, 随手丢弃的垃圾 rubbish, 无用的垃圾
garbage, 生活中的垃圾，包括厨房里不能再用的食材 waste， 任何被丢弃的东西
3. Everyone in this town should play a part in cleaning it up! 这个镇上的每个人都应该参与清理它。 play a part in “参与……” “在……方面起作用” play a part in doing sth.
4. This is turning beautiful places into ugly ones. turn… into… 把……变成……
e.g. The icy rain seemed like to turn into snow. 渐渐地冻雨又变成雪花的模样。 5. 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。
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How much does the new computer cost? 新电脑花了多少钱？ 反馈练习：
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! 课后反思： 我的收获：
我的不足：
Section A 2 (3a-3c) 总第 73 课时
【学习目标】
词汇：bin, shark, fin, method, cruel. Harmful, chain, ecosystem, industry, law, scientific.
(1) Role-play 2d.
(2) Translate these sentences into English. ①甚至是河底都满是垃圾。
②这个小镇上的每个人都应该参加打扫。 ③骑自行车有其它的优点。
④我买外卖食品从来不拿木筷子和塑料叉子。
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【学习重难点】
(1) Teacher tells students the earth is badly polluted. What should we do to save
the earth? Let’s take action. For example: ①Turn off the lights when you leave a room; ②Take buses instead of driving cars
③Recycle books and paper.
(3) There are some animals are endangered. We should do something to protect
the animals and the environment!
【学习过程】 【自主预习】
写出下列短语的汉意：
shark’s fin soup in southern China each time cut off
no longer not only…but also… at the top be endangered the strongest around 70 million fallen by over 90 percent WildAid and the WWF develop laws scientific studies 【共同探究】
Sharks are endangered, read the passage and judge the sentences. ①Shark’s fin（鱼鳍）soup is famous and expensive all around the world. ②We have to kill a whole shark to get a bowl of shark’s fin soup. ③People cut off sharks’ fins and throw the sharks back into the ocean. ④Sharks are in the bottom of the food chain in the ocean’s ecosystem. ⑤WildAid and the WWF are environmental protection groups in China. ⑥Shark’s fin s are good for health. 【交流展示】
Read the passage and dill 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.
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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. 【精讲点拨】
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”
e.g. I’m no longer a student. 我不再是个学生了。
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…
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。 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) 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。 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。 【反馈练习】
用动词的适当形式填空。
1) We’re trying _______ (save) the earth. 2) There used to_____ (be) clean and beautiful.
3) There are too many ______ for ________to catch (fish). 4) It’s bad for environment to use _________ (wood) chopsticks. Keys: to save be fish fishermen wooden
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【教学反思】 本节课成功之处：
本节课需要改进之处：
Section A 3 (Grammar Focus-4c) 总第74 课时
【学习目标】
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。
3. 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。 【学习重难点】
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。 【学习过程】 【预习检测】
① 不同种类的污染 ② 河底 ③ 把垃圾扔到河里 ④ 在…中起作用 ⑤ 在中国南部 ⑥ 对……有害 ⑦ 在……顶部 ⑧ 海洋生态系统 【合作探究】
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?
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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. 【交流展示】
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 【精讲点拨】
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. turning off 关掉
e.g. Please turn the television off before you go to bed.
睡觉前请关掉电视。 【反馈练习】
找出与turn相关的短语, 译成汉语。 turn around ________ turn up ________ turn down ________ turn into ________ turn on ________ turn off ________
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turn out to be ________ turn over ________ 【教学反思】 本节课成功之处：
本节课需要改进之处：
Section B 1 (1a—2e) 总第75 课时
【学习目标】
词汇：upside, gate, bottle, president, inspiration, iron, work, metal, creativity, 【学习重难点】
(1) Tell students what to do these things to protect the environment.
(2)What can we do to help save the earth? 【学习过程】 【自主预习】
Translate these phrases into Chinese. 1. stop riding in cars _________ 2. recycle books and paper ________
3. turn off the lights when you leave a room ________
4. turn off the shower while you are washing your hair________ 5. not use paper napkins________ 【共同探究】
(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. IV. Practice
(1) Make a conversation using the information from the chart in 1c. Say what is
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true for you. (2) Guessing game
Show some pictures to students and get them to guess what these things are made from.
【交流展示】
Use pictures to presentation the new words.
(1)Read the passage and answer the questions below (2) Read the passage and complete the chart below. (3) Read paragraph 2 and answer the questions. 【精讲点拨】
1.Do you often throw away things you don’t need anymore? 1) throw away扔掉，丢弃浪费 (机会、优势或好处) e.g. I never throw anything away. 我从来不扔任何东西。 2) 错过(机会等)，放过；未能很好利用(机会等)
e.g. Don’t throw away this opportunity. 不要错过这个机会。 3) 浪费(时间、金钱等)乱花(钱等)
e.g. It will be time and money thrown away. 这将是浪费时间和金钱。 2. Have you ever thought about how these things can actually be put to good use? put sth. to good use 好好利用
e.g. Your creative talents can also be put to good use, if you can work up the
energy. 如果你能让自己精力充沛起来，你的创作才能也能得到很好的发挥。 3. She lives in a house in the UK that she built herself out of rubbish. build/make ... out of 用……建造/制造
e.g. He built a model ship out of wood. 他用木头造了个模型船。 4. The top of the house is an old boat turned upside down.
turned upside down 意为“被翻转过来的；被颠倒过来的”，做后置定语修饰boat。
e.g. Tony had an upside-down map of Britain on his wall. 托尼的墙上倒挂了一张英国地图。
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5. And the gate in front of her house is made of rocks and old glass bottles.
be made of和be made from都表示“由……制成”，但二者的用法有区别。be made of常常表示从成品中仍可看出原材料；而be made from常常表示从成品中看不出原材料。
6. He is known for using iron.
e.g. He was known for his friendly. 他以友好而著称。
7. 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 (n. 创造力). bring back 恢复；使想起；归还 【反馈练习】 Fill in the blanks
1. Amy Hayes lives in the UK. Many of the old buildings in her neighborhood were _________________.
2. All the rubbish and old things in Amy’s neighborhood were then _______________ when Amy built her house.
3. Amy is very creative. She _______ her front gate ___________ rocks and old glass bottles. She put an old boat on top of her house. Keys: plled down; put to good use; built out of; 【教学反思】 本节课成功之处：
本节课需要改进之处：
Section B 2 (3a-Self Check) 总第 76课时
【学习目标】
1. What should we do to save the earth? 2. 会写有关环境保护的短文。 3. 复习本单元学习的短语、句型。 【学习重难点】
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1.What should we do to save the earth? Turn off the lights when we leave a room. Take our own bags when shopping. Ride a bike. Recycle paper.
Don’t use paper napkins. 【学习过程】
【自主预习】 汉译英：
停止乘小汽车 回收纸 用纸巾 好好利用 用垃圾建造房 倒置 经营小生意 回复，归还 【共同探究】
为了保护环境我们应当采取哪些措施？ 1. What should governments do to save the earth?
2. They should close down the factories that put waste into the river. 3. Set up a lot of dustbins on the street.
4. Stop people from using wooden chopsticks, plastic bowls and bags. 5. Organize people to clean up the streets and rivers. 【交流展示】
Write a letter to the city major about the problem and your suggestions. In your letter, describe the environmental problems in your town/city. ① What are the problems? ② Where are they?
③ What or who is causing these problems? 【反馈练习】
把下列动词变成名词：
pollute --- act --- protect--- build --- create --- farm --- sing --- travel--- drive ---
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run --- write --- 【教学反思】 本节课成功之处：
本节课需要改进之处：
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