新人教版九年级英语下册Unit 13 We’re trying to save the earth!公开课课件
You go shopping. What do you do?
I use a lot of new plastic bags. I use my own bag.
You use a lot of new plastic bags. That’s bad for the earth.
You use your own bag. That’s good for the Earth.
When you write on a piece of paper, what do you do?
I write on one side only. I write on both sides.
You use paper on one side only. That’s bad for the Earth.
Unit 13 We’re trying to save the earth!
Section A
Period 1 1a-2d Words
To talk about air pollution, water pollution and sound pollution. To think about ways of protecting the environment. To learn the new words: advantage, scientific
1a
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
loud music littering building houses
cars shi’s good for the Earth.
close down the factories; help to clean up the river; take the bus or subway; ride a bike; bring a bag to go shopping, throw rubbish in the cans; turn off the lights when you leave a room; use paper or reusable bags; recycle books and paper; turn off the shower when you wash your hair; don't use napkins; rethink, reuse, recycle ... ...
You drink a can of cola. What do you do?
I throw away cans. I recycle cans.
You throw away the cans. That’s bad for the Earth.
You recycle the cans.That’s good for the Earth.
cars
smoking
Noise pollution
building houses
loud music
mobile phones
planes
Water pollution
factories
rubbish
littering
ships
Help save the earth
We must think of better way to treat our planet in future.
Loud music, planes, building houses, mobile phones (machines, crowds)
rubbish, littering, ships, factories (sewage, industrial waste, pesticides)
1b Listen and complete the sentences.
伤害 We are harming our planet in so many ways.
Air pollution
Factories pour dangerous gases into the air.
Cars also pour dangerous gases into the air.
Some people smoke in public places.
rubbish factories
planes smoking
mobile phones
Noise pollution
cars, factories, smoking, building houses (burning, power plants, nuclear waste disposal)
Air pollution Water pollution
There are a lot of old newspapers at your home. What do you do?
I throw the old newspapers away.
I recycle the old newspapers.
You throw old newspapers away. You waste paper. That’s bad for the Earth. You recycle old newspapers. You save paper. That’s good for the Earth.
Look at our earth!
Endangered animals
Natural disasters
Desertification
Pollution
Serious pollution
noise pollution
air pollution water pollution
the earth song by Michael Jackson !!!
新人教版九年级英语下册Unit 13 We’re trying to save the earth!要点详解
Unit 13 We’re trying to save the earth!要点详解1. We’re trying to save the earth!我们正尽力拯救地球！(1) 本句时态为现在进行时，表示现阶段正在做的事情。
现在进行时所表示的动作并不一定在说话人的说话时刻进行，而是在包括说话时刻在内的一段时间当中进行。
例如：George is translating a book now. 乔治现在在翻译一本书。
（说这句话时，乔治不一定正在翻译；但在包括“说话时刻”在内的一段时间当中，乔治是在从事翻译工作。
）(2) try to do 表示“设法或尽力去做某事”，实际上做与不做，视情况而定，而try doing表示“试着做”，即动作真的进行了或正在进行，成败则视结果而定。
例如：He tried to read, but he was too tired to read much.他想设法看书，但太疲倦了，没看多少。
He tried reading, but that could not make him forget his trouble.他试着看书，但这并没使他忘记烦恼。
2. I am like this animal because I am strong and intelligent.我像这种动物，因为我强壮而聪明。
(1) like在本句中做介词，意为“像”，例如：He looks like winning the race.他看来要在比赛中获胜。
She is like her mother.她像她的妈妈。
(2) like做介词时可用very，very much，rather，quite等副词修饰。
例如：You look very much like your father.你与你父亲很相像。
3. Some of the swamps have become polluted。
一些沼泽已被污染了。
人教版九年级英语Unit 13 We're trying to save the earth! 全单元教案
Unit 13We're trying to save the earth!本单元围绕环境保护的话题，并用主题图片表现噪音污染、空气污染、水污染等内容，目的是为了让学生对环境的破坏有一个直观的认识，从而激发学生强烈的社会责任感和对未来发展的思考。
Section A的重点是让学生掌握与环境污染和环境保护相关的词汇和句型，同时引导学生关爱动物、保护环境。
教学难点是让学生学会正确使用连词和结合生活实际讲述如何保护环境。
Section B在Section A所学的基础上，进一步谈论如何保护环境。
教学重点是让学生了解环境保护的方式，并落实到积极的行动当中，同时还有阅读策略和写作技巧的训练。
教学难点是让学生在阅读2a文章之后，根据所给词根找出衍生出的不同词汇，并理解前缀和后缀的不同用法。
The First Period—Section A(1a－2d)Teaching Important Points【教学重点】Key words & phrases：litter，bottom，fisherman，coal，ugly，advantage，cost，wooden，plasticnoise pollution，air pollution，water pollution，be full of，play a part in，turn…into，cut down air pollutionKey sentences：1.Even the bottom of the river was full of rubbish.2.It used to be so clean.3.Everyone in this town should play a part in cleaning it up.4.The air is badly polluted because there are more cars on the road these days.5.The air has become really polluted around here.6.We're trying to save the earth.Key structure：should＋do；used to＋do；have/has＋done；be＋done；be＋doinge．g.Everyone should help to clean up the river.The air has become really polluted.I used to be able to see stars in the sky.The air is badly polluted.Teaching Difficult Points【教学难点】★Practice the structures to talk about pollution and environmental protection.Teaching Aids【教学工具】A tape recorder，CAI or multimedia courseware.Teaching Steps【教学过程】★Step 1Leading in【新课导入】1．Greeting2．Discussion and reviewDiscuss with the students，like this：T：What kinds of pollution are there these days?S：…T：What causes the pollution?S：…3．Review the words and expressions about the topic.★Step 2Cooperative inquiry【合作探究】1．Finish the task in 1a①Show pictures or play videos about pollution and talk about the pollution.②Read these phrases in 1a.Look at the pictures in 1a and say what they see in the pictures.Write down the words and add more words.③Ask students to say out their words in each kind of pollution.2．Finish the task in 1b①Read the instructions.Get the students to read the contents in the chart and think of what they will fill in the blanks.②Play the recording for the first time.Students listen and fill in the words.③Play the recording a second time.Ask them to check the answers.Then ask the questions.Students answer with full sentences.④Ask more questions to help students learn more details.Then play the recording for the students to role－pay the conversation.3．Finish the task in 1c①Show the key words of the conversation.Ask students to retell the contents in the chart.Like this：What：dirty；bottom，rubbish；fishWhy：littering，putting wasteHow：write to，close down；help to clean up②Read aloud the model dialogue in 1c.Then in pairs，do the oral practice with more words.③Ask two pairs to perform in class.4．Finish the tasks in 2a－2b①Use PPT or pictures to show the four kinds of pollution.Get the groups of students to havea competition to say words about the pollution one by one.land pollution：…air pollution：…noise pollution：…water pollution：…②Get the students to write down these words in their notebooks.③Play the recording for the first time.Students listen and circle the kinds of pollution.Check answers with the class.④Read the sentences in 2b.Predict the contents they will fill in.Play the recording.Students listen and complete the sentences.⑤Play the recording again.Check the answers with the whole class.5．Finish the task in 2c①Read the sample conversation in 2c.Then Read the listening materials and discuss in pairs what causes the two kinds of pollution.②Students work in pairs，making dialogues.③Ask three pairs to role－play their conversations to the class.6．Finish the task in 2d①Talk about the picture in 2d.Ask：What are your ideas for solving the air pollution/waste pollution problem？Present the new words in the conversation.Such as，coal，advantage，wooden，plastic，takeaway，bin，…②Read the conversation in 2d quickly.Find out the problems about environmental pollution in the dialogue.③Read the conversation again.Ask the students to find the ways to solve the problems of air and waste pollution.④Read aloud the conversation by the recording.⑤Learn the useful expressions：What are your ideas for doing…To cut down air pollution，we should…So together，our actions can make a difference and…⑥Role－play or read the conversation in pairs until fluently.★Step 3Homework1．What are your ideas for solving the waste pollution problem?2．Write the words about the four kinds of pollution.3．Translate the following sentences into English.(1)我们正在想办法拯救地球。
人教版九年级英语下册《Unit13_we’re_trying_to_save_the_earth(1a--2d)》PPT课件
the y street /square…
Unit13 we are trying to save the earth What are destroying our environment?
the waste water the waste gas from the factory
What should we do to save the earth?
1.We should tell the people who drive to drive less. 2.We should tell the factories which produce the waste gas and water to produce less. 3.We should tell ourselves not to litter in the river. 4.We should tell ourselves to use shopping bags that we are carrying when we’re shopping. 5.Maybe we should write to the newspapers ,magazines or the government for help. 6.Maybe we are able to use the internet for fighting with the pollution as well.
the loud music or noise from the mall the strong flash
The worse is pollution causes the climate change and global warming , the higher temperature leads to storms and floods.
人教版英语九年级Unit13单元知识点归纳
Unit13 We're trying to save the earth!【重点短语】1. at the bottom of the river 在河床底部2. be full of the rubbish 充满了垃圾3. throw litter into the river 把垃圾扔入河中4. play a part in cleaning it up 尽一份力把它清理干净5. land pollution 土地污染6. fill the air with black smoke 使空气中充满了黑烟7. cut down air pollution 减少空气污染8. make a difference 产生影响17. take action 采取行动18. turn off 关掉19. pay for 付费20. add up 累加21. use public transportation 使用公共交通22. recycle books and paper 回收书和废纸23. use paper napkins 使用纸巾24. turn off the shower 关掉喷头25. ride in cars 开车出行【重点句型】1. Even the bottom of the river was full of rubbish. 甚至河底都充满垃圾。
2. Everyone in town should play a part in cleaning it up. 城里的每个人都应当尽一份力把它清理干净。
3. The air is badly polluted because there are too many cars on the road thesedays. 空气被严重污染因为如今路上的汽车太多了。
4. To cut down air pollution, we should take the bus or subway instead of driving.为了减少空气污染，我们应当乘坐公汽或地铁而不是开车。
人教版九年级英语下册《Unit13 We’re trying to save the earth》(
The earth is polluted.
air pollution
n. 煤炭
The factories that burn coal pollute the air with a lot of black smoke.
water pollution
noise pollution air pollution water pollution _l_ou__d_m__u_si_c___ __f_a_ct_o_r_ie_s___ ____sh_i_p_s_____ __p_l_an__es______ __sm__o_k_in_g____ ___r_u_b_b_i_sh____ _m__o_b_il_e_p_h_o_n_e_s ___ca_r_s______ ___l_it_t_er_i_n_g___ b_u_i_ld_i_n_g_h_o_u_se_s_ b_u_il_d_in_g_h_o_u_s_es_ ___f_ac_t_o_r_ie_s___
Factories put waste into the river.
mobile phone pollution
litter v. 乱扔 n. 垃圾
rubbish waste 垃圾，废弃物
People should throw away litter in the bin.
n. 垃圾箱
noise pollution There are more cars on the road.
2. What are they talking about? The environmental problems.
3. What other problems do they see? There’s too much rubbish and waste in the streets.
人教版九年级英语下册Unit 13 We’re trying to save the earth!
答案: 1. 垃圾 2. 底部 3. fisherman 4. advantage
5. plastic 6. wooden
Ⅱ. 短语连线 1. be full of 2. turn. . . into. . . 3. cut down 4. make a difference 5. lead to
【学以致用】
①(2014·十堰中考)—Smart phones are more and more popular
答案: 1. We’re trying 2. used to be 3. are throwing
4. 这个城镇的每个人都应该参与到清理之中!
Everyone in this town
a part in cleaning
it up!
5. 这周围的空气真的已经污染了。
The air
really polluted around here.
【自主归纳】
(1)advantage名词, 意为“优点; 有利条件”, 常用复数形式。
反义词为
, 意为“缺点; 不利条件”。
(2)advantage的常用搭配有the advantage(s) of意为“……的优
点”, take advantage of sb. 意为“占某人便宜”, take the
hands.
A. experience B. advantage C. dream
答案: take; the advantage of
this as to have big D. change
3. cost v. 花费 【语境领悟】 *It’s good for health and it doesn’t cost anything! 它对健康有好处, 并且不花任何钱! *I spent a lot of money on that holiday. 那次度假花了我一大笔钱。 *I think it’s a great idea that you now have to pay for plastic bags. 现在你得付钱买塑料袋, 我认为这是个好主意。 *It takes me forty minutes to do my homework. 做作业花费我四十分钟。
新人教版九年级英语下册《Unit13We’retryingtosavetheearth》教案
Unit 13 We’re trying to save the earth!教案知识导航语言目标谈论污染和环境保护。
Section A 重点单词1. litter v.乱扔n.垃圾2. bottom n.底部3. coal n.煤4. ugly adj.丑陋的 5. cost v.花费n.花费 6. wooden adj.木制的(wood n.木材) 7.plastic adj.塑料的n.塑料8. method n.方法9. cruel adj.残酷的10.harmful adj.有害的(harm n.害处) 11. industry n.工业12. law n.法律13. afford v.承担得起重点短语1.make a difference 起作用；有影响2. take part in 参加3. turn off 关掉4. pay for 付费；付出代价5. cut down 减少6. lead to 导致7. hear of听说8. cut off 切除重点句型1.We’re trying to save the earth. 我们在努力拯救地球。
2. The rive used to be so clean. 这河流过去是如此的清澈。
3. The air is badly polluted. 空气被严重污染。
4. The method is not only cruel, but also harmful to the environment. 这种方法不仅残酷，而且对环境也有害。
Section B +Self Check 重点单词1. recycle v.回收利用2. gate n.大门3. bottle n.瓶子4. president n.负责人 5. work n.作品 6. metal n.金属重点短语1. throw away 扔掉2. put sth. to good use 好好利用3. put … down 拆下 4. upside down 上下颠倒 5. bring back 恢复重点句型1. And the gate in front of her house is made of rocks and old glass bottles.她房子的前门是由岩石和旧玻璃瓶子制成的。
人教版(新目标)英语九年级下册《Unit 13 We're trying to save the earth!》单元话题阅读与写作课件
vegetables
from their own garden.
★ The pupils bring both their books and their
(3)_r_u_b_b_i_s_h_to school.
Recycling ★ The pupil who works hardest at recycling will
(4)_g_e_t_/_r_e_c_ei_v_e__a_p__ri_z_e_from the teachers.
Finding cleaner ★ Fairfield School asks teachers and students not
ways to get to go to school (5)__b_y__c_a_r_.
根据短文内容，完成表格中的有关信息。
Ways How to (1)___p_r_o_t_e_c_t_t_h_e_e_n__v_ir_o_n_m__e_n_t___
★ Pupils at Fairfield School can enjoy delicious
Growing
food by growing and (2)_p__ic_k_i_n_g__vegetables
3. water pollution：___w__a_s_h_in_g__c_lo_t_h_e_s_i_n_t_h_e__ri_v_e_r_, ____ __l_it_t_er_i_n_g_i_n__th_e__r_iv_e_r_, _w_a_s_t_e_w__a_te_r_f_r_o_m__f_a_c_to_r_i_e_s___
_N__o_w__I_w__a_n_t _t_o_t_a_lk__a_b_o_u_t_t_h_e_a_i_r_p_o_l_l_u_ti_o_n_.___________
人教版九年级全一册英语Unit-13-We’re-trying-to-save-the-earth-教案
Unit 13 We’re trying to save the earth!教案(SA)Unit 13 We’re trying to save the earth!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, shark, fin, method, cruel. Harmful, chain, ecosystem,industry, law, scientific, afford, reusable, transportation, recycle,napkin, upside, gate, bottle, president, inspiration, iron, work, metal,creativity,基本词组：be harmful to, at the top(of sth.), take part in, turn off, take action, throw away, put sth. to good use, pull… down, bring back基本句型：We’re trying to save the earth!The river used to be so clean.The air is badly polluted.No scientific studies have showed that shark fins are good for health.We should help save the sharks.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usedto 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。
人教版九年级英语下册《Unit13 We’re trying to save the earth》(
Ø被动语态 初中阶段我们学习了七种被动结构，归纳如下：
（1）一般现在时是被动语态：am / is / are + 过去分词 （2）现在完成时的被动式： have / has + been + 过去分词 （3）现在进行时的被动式： am/ is/ are + being + 过去分词 （4）一般过去时的被动式：was / were + 过去分词 （5）过去进行时的被动式： was / were + being + 过去分词 （6）过去完成时的被动式：had + been + 过去分词 （7）一般将来时的被动式： will / be going to be+ 过去分词 （8）含有情态动词的被动式： 情态动词+be +动词的过去分词。
-- Yes. day.
Our
classroom
__is__c_le_a_n__ed_(clean)
every
9.-- What's this?
--It's a CD. This CD _________(use) for learning
English.
is used
10. Anew highway in my hometown __w__i_ll_b__e_b_u_ilt
在英式英语中：
➢ 它的疑问式应当是：Used ＋主语＋to sth． ➢ 否定式应当是used not to.
I. 用所给词的适当形式填空。 1. The old man used t_o__b_e_ (be) a teacher. 2. We should _c_le_a_n_ (clean) the room every day. 3. Look! Tom _i_s_s_le_e_p_i_n_g (sleep) in his room. 4. Lots of trees a_r_e_p__la_n_t_e_d_ (plant) on the hill every year. 5. He _h_a_s__li_v_e_d_ (live) here for 20 ycloeucltdricity by turning off the