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Unit 2 Saving the Earth Topic 2 All these problems are very serious.Section BThe main activity is 1a. 本课重点活动是1a。
Ⅰ. Teaching aims and demands 教学目标1. Learn some new words and phrases:sand, cut down, change into, prevent, prevent … from, human being, although, law, turn off2. Learn some useful sentences:(1) Trees can stop the wind from blowing the earth away.(2) Pass laws against water pollution.(3) Remember to turn the tap off when you leave.3. Continue to learn the indefinite pronoun and adverb.4. Learn to talk about pollution and its harm.Ⅱ. Teaching aids 教具幻灯片/录音机/图片Ⅲ. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步复习(时间:5分钟)通过方格游戏，来复习不定代词和不定副词的用法。
(让同桌两人做一个3×3的方格，将上节课Section A中2的10个不定代词(everyone和everybody任选其一)放入方格中。
教师事先准备九道练习题，答案就是方格中的九个不定代词。
教师将这些习题逐一呈现出来，同桌两人抢圈答案，谁抢到的多谁获胜。
在此过程中，教师每呈现一题核对一次答案。
Unit 2 Saving the EarthTopic 1 Pollution is harmful to people’s health.SectionBThe main activities are 1a and 1b. 本课重点活动是1a和1b。
Ⅰ. Teaching aims and demands 教学目标1. Learn some new words:weak, produce, chest, anyway2. Go on learning direct speech and indirect speech:(1) The old lady said that it was difficult for her to breathe.(2) The old lady told Kangkang that she had been like that since the week before.(3) Kangkang asked the old lady how long she had been like that.(4) The journalist asked Mrs. Zhou whether/if she was feeling better then.(5) The journalist asked what the environment around that place was like.3. Learn some expressions about blame and complaint:(1) It’s difficult for me to breathe.(2) The bad air makes my chest hurt.(3) … the factory makes too much noise and I can’t sleep well at night.(4) I’m always in a bad mood …(5) … I can’t stand the environment here.(6) Anyway, I hope the government will solve this problem soon.Ⅱ. Teaching aids 教具图片/教学挂图/录音机/小星星/游戏纸条Ⅲ. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步复习(时间:6分钟)检查上节课的作业，通过学生对调查结果的汇报和转述，复习直接引语和间接引语。
九年级仁爱上册Unit 2 Saving the Earth 拯救地球Topic 1：Pollution has caused too many problems污染已经造成太多问题。
Section A译文1a简和玛丽亚：康康，我们要去哪里？Kangkang, we go ?康康：西山怎么样？我以前去过那里。
那里是一个有很多花花草草的美丽的地方，空气清新，流水清澈，你将会看到蜜蜂和蝴蝶在翩翩起舞。
the West Hill? I've there before. It's a beautiful place lots of flowers and grass. The air is fresh and the water is clean, and you will see bees and butterflies dancing.迈克尔：听起来很好！让我们去那里吧！! Let's go there.（两天后，他们来到西山了）Two days later, they come to the West Hill康康：哦，我的天哪！花花草草全没了，流水这样肮脏，臭气熏人。
这里发生了什么？Oh, my ! The flowers and grass have ! The water is so . It smells . What here?玛丽亚：看，有几家化工厂正在往小溪排放废水。
Look, there are chemical pouring waste water into the .康康：一切都变了。
Everything has .迈克尔：你们仍然要在这里进行野炊吗？Do you still want to here?简：当然不。
Section B译文1a（一个老太太正在咳嗽，她看起来虚弱）An old lady is coughing. She looks .康康：早上好，老奶奶。
Unit 1The Changing WorldTopic 2 Section B目标梳理1.We learn some new words:population, billion, increase, reach, luckily, policy, Russia, measure2.We learn some phrases:increase by, developing countries, developed countries, carry out, the one-child policy3.We learn some sentences:What a large population!The world has a population of 6.8 billion.So it is.重点难点梳理1.We can read numbers in English.2. We can talk about population problems.知识梳理【1】What a large population!这么多人口！population人口，人口数量。
描述人口多寡时通常用large或small.population作主语时，谓语动词用单数或复数都可以。
have/has a population of...有……人口e.g.One third of the world's population consumes/consume two thirds of the world's resources.世界上三分之一的人口消耗着全球三分之二的资源。
e.g.What's the population of China?中国的人口是多少?【2】And it is increasing by 90 million every year.而且世界人口每年增加九千万。
increase by...增加了·…，by表示增长幅度，其后常跟百分数。
仁爱版九年级英语上册Unit2Topic1SectionB教案Unit 2 Saving the EarthTopic 1 Section B教案教学目标1.知识与能力目标Words and phrases: pain, produce, awful, bear, harmful, chest, editor, breathe/breath, soil get a pain in…, what’s worse, too much noise, too many problems, breathing problem, be harmful to, make a mess of, throw…aroundSentences: It’s difficult for me to breathe./ I’ve got a pain in my throat./ It’s really awful.A: How long have you been like this? A: Have you seen a doctor?B: I’ve been like this since la st week. B: Not yet.Grammar: Present Perfect (past participle和疑问句的问答).2.过程与方法通过谈论环境问题，让学生了解不同种类的污染及其危害。
3.情感态度与价值观引导学生关注环境问题，树立绿色环保意识，增强忧患意识和社会责任感。
教学重点1. some new words and useful phrases; the present perfect tense2. the present perfect tense教学过程Step 1 Review1. go over the phrases in section A2. Guide the Ss to discuss different kinds of pollution ingroups and share the answer together. Step 2 Presentation1. Watch the flash, then answer the questions below.1) Does Bruce look well?2) What’s wrong with him?3) How long has he been like this?4) Has he seen a doctor?2. Show a picture of the polluted West Hill, let the Ss listen to 1a once and tick the questions they hear in part A of 1b. Then check the answers together.A. Listen to 1a and check the questions you hear.1) What’s wrong with you?2) How long have you been like this?3) Where have you been?4) Have you seen a doctor?5) Have you noticed the dead fish in the river?B. Listen again and match each question above with an answer below.3. Read 1a and answer the questions.1) What caused Mrs. Zhou’s problems?2) What will Kangkang do?Step 3 Consolidation1.分角色朗读2a，选择四组进行比赛，激发学生朗读兴趣。
Unit 1 The Changing WorldTopic 2 Section B教案Teaching aims and demands1. Learn the new word: increase2. Master these sentences:(1) What’s the population of China?(2) It is increasing by 80 million every year.(3) Which country has the largest population?(4) So it is.(5) The problem is more serious in developing countries.(6) China has already carried out the one-child policy to control the population.3. Learn how to read the numbers: million, billion.Teaching aids录音机/多媒体课件/小黑板/世界人口示意图Teaching PlanStep 1 Review1.检查上节课教师布置的探究性活动，组织学生互评，教师选出较好的几份点评。
T: Many students wrote very well. You can talk about a lot of social problems.(由学生谈论的人口问题，引入本课话题——人口数量。
)T: Some students have talked about the population problem. As we know, it is hard to improve our living conditions, because we have a large population. Now, what’s the population of our country? (由学生举手回答。
Unit 2 Topic 1 Section ANew wordsNew phrasesUseful expressions知识点击1.……and you could see bees and butterflies dancing.……你能看见蜜蜂和蝴蝶在飞舞。
see...doing意为“看见……正在做……",see 此处用作感官动词，可以加宾语再加宾补。
进口袋。
Andy saw his toy dog hidden behind the door.安他看见他的玩具狗被藏在门后。
【拓展】其他的感官动词，如hear,watc 也有类似的用法。
如：Tony heard someone singing songs in the next door.托尼听到有人正在隔壁房间唱歌。
Every day lots of people go to the Tian'anmen Square to watch the flag go up.每天很多人去天安门广场看升红旗。
2.The flowers and grass have gone!鲜花和绿草都消失了！go在此处为不及物动词，意为“不复存在，不见了”。
如:The pain has gone.疼痛消失了。
【链接】go还有“变得，进展”等意思。
如：The fish is going bad.鱼快变质了。
Everything goes well. 一切都好。
3.Look,there are several chemical factories pouring waste water into the stream.看，有几个化工厂正往小溪里排放废水。
(1)pour...into…意为"向……投入"。
如：The government has poured millions of yuan into education.政府在教育上投资数百万元。
仁爱英语九年上册Unit2 Topic1 重点短语和句子Unit2 Topic1 Section A1看到某人正在做某事see sb. doing sth.2听起来很好sound great3真脏！What a mess!4真可耻！What a shame!5把...倒入pour ...into6当然不of course not7砍到cut down8You can see bees and butterflies dancing.你可以看到蜜蜂和蝴蝶在跳舞。
9有几家化工厂把废水排到小溪。
There were several chemical factories pouring waste water into the stream. 10Everything has changed一切都变了12 it was too dirty for me to live in.但是它对我来说太脏了无法居住Unit2 Topic1 Section B1.have a pain in the throat喉咙痛2.produce terrible gas产生难闻气体3.make my chest hurt使我胸痛4.make people sick使人们生病5.what was worse更糟的是6.make too much noise制造太多噪音7.in a bad mood心情不好8.solve the problem解决问题9.by the way顺便问一下10.cause too many problems引起太多问题11.cause breathing problems引起呼吸问题12.make great efforts to do sth.尽力做某物13.nosie/air/light pollution噪音/空气/光污染14.be harmful to对。
有害15.make a mess of使。
