广东省河源中国教育学会中英文实验学校九年级英语上册《Unit 2 Topic 2 All these problems are very serious》讲学稿（无答案）（新版）仁爱版.doc

unit 2 topic 2 all these problems are very serious学习目标与要求：1. 掌握本课的重点词汇和短语：sand, although, sandstorm, desert, human being, reduce, completely, change into, stop from, blow/ wash away, as a result2.本课的重点语句：1) as a result, a lot of rich land has changed into desert. 2) trees can stop the wind from blowing the earth away. 3）a lot of water can be saved by forests. 4）although we have built “the green great wall”, we still need to do something to protect the environment.3.通过学习人类滥砍伐对环境造成的严重破坏，唤起我们爱护树木，保护环境的意识。第一段：【短课导学】 模块一：自主学习学习内容摘 记step 1 introduction1.how many kinds of pollution do you know?（ppt）finish p36-3.2.speak out the reasons of these pollution.3.learn some phrases.（ppt）step2 听读-感悟课文。1. listen to 1a and choose the best answer.2. listen again and answer the questions.（ppt） 1) whats the weather like today ? 2) what causes these sandstorms ? 3) do we still need to do something to protect the environment ?3. then watch the flash and students read after it.4. read 1a and complete treesfunctions. finish p35-1c.step 3 品读-读出理解。（自主学习：要求独立、安静完成）一、read 1a and underline the following phrases .(在课本上划出下列内容)1) what bad weather ! 多么糟糕的天气！ 2) cut down砍倒；降低；减少3) as a result结果 4)a lot of rich land大量肥沃的土地5)change into变成=_ 6)stop the wind from blowing the earth away阻止风把泥土吹走（阻止某人/某物做某事 = _/_）7) be harmful to 对有伤害(同义词组：_ )8)come into being 形成(p36-3) 9)plenty of 大量许多(p36-4)=_二、complete the sentences with the correct forms of the given phrases in the box. finish p36-2.三、语言点梳理。3.1. people have cut down too many trees. 人们砍了许多树。【归纳】砍伐 ; 降低；减少 _ cut的现在分词:_ 过去式:_ 过去分词：_【链接】1）cut sth. in halves 把某物切成两半 2）cut sth into pieces 把某物切成碎片【反馈训练】翻译：请把这个苹果切成两半。_3.2. as a result, a lot of rich land has changed into=turned into desert. 结果，许多肥沃的土地变成了海港。【归纳】结果_ 变成change into = 【反馈训练】3.2.1 he got up late,_, (结果)he missed the early bus. 3.2.2water has_（变成）steam. 水变成了蒸汽。3.3. trees can stop/prevent /keep the wind (from )blowing the earth away.译： 【归纳】阻止某人/某物做某事 / 【归纳】吹走：_( ) 3.3.1we must_the water from_polluted. a.prevent . be b.prevent . being c.prevent . to be d.prevent . be done 3.4.although we have built“the green wall”,we still need to do something to protect the environment. 虽然我们修建了“绿色长城”，但我们仍然要采取措施来保护环境。【归纳】although 和though 一般用来引导让步状语从句，不能和but, however连用。【反馈训练】they are generous_they are poor.尽管他们很穷，但却十分慷慨。【归纳】something 是不定代词，一般用于肯定句。【拓展】 1)somebody, someone, something, somewhere一般用于_（肯定句/否定句/疑问句） 2) anybody, anyone, anything, anywhere一般用于_（肯定句/否定句/疑问句） 3) none, nobody, nothing, nowhere表示_（否定/肯定）含义。 4) everybody, everyone, everything, everywhere可用于各种句式。【链接】1) i have something important to tell you. 形容词修饰不定代词和不定副词时，要放在不定代词/不定副词之_(前/后)2) everybody is ready for the match. 不定代词作主语时，谓语动词要用_(单数/复数)。【归纳】 to protect 是动词不定式作_（目的/结果）状语。【反馈训练】我有许多事情要做。i have a lot of things _. 第二段：【长课导学】 模块二：交流研讨研讨内容摘 记内容一：小组成员核对模块一中的语言点梳理。内容二: act out the dialog in pairs.(ppt) 模块三：巩固内化学习任务摘 记任务一：finish p36-4.任务二：背诵学习目标中的重点语句。 课题：unit2 topic2 all these problems are very serious. section a p35-36 第1课时授课时间：第7周 姓名_模块四：当堂训练（独立完成）老师的话：复杂的事情简单做，简单的事情认真做，认真做的事情重复做，重复做的事情创造性做！一时专一事，做最好的自己，你一定成功！一、单项选择。( ) 1. my hometown has changed _ a new one in the last three years. a. in b. to c. with d. into( ) 2. all the students have gone on a field trip. there is _in the classroom.a. somebody b. anybody c. everybody d. nobody( ) 4. her parents tried to stop her _ him, but they failed. a.see b. seeing c. to see d. to seeing( ) 5.-what a bad sandstorm! it will blow the _ into our eyes. -yes. wed better wear a pair of glasses. a.air b.sand c.water d.fire( )6. the number of workers in that factory_over200. a small number of them_ women workers. a.is, is b.are, are c.is, are d.are, is( ) 7. eating too much is _ to your health. a. useful b. helpful c. harmful d. wonderful( ) 8. parents should prevent the children _ taking medicine by themselves. a. about b. from c. with d. of( ) 9. _ we were quite tired, _ we still went on working. a. although; / b. because; / c. because; so d. although; but( ) 10. the farmer _ a lot of trees and built a new house. a. turned off b. cut off c. turned down d. cut down二、用 someone, something, anything, somewhere, anywhere填空。11. lily, would you