仁爱版九年级英语上册unit2saving the earth topic 2 all these problem are very serious section a导学案(无答案）

九年级英语上册U2 Saving the EarthTopic 2 All these problem are very serious . Section A导学案（预习+展示+反馈） 备课组：九年级英语备课组 主备人: _ 时间：一教学目标： 1知识技能：1掌握本课的重点词汇和短语，谈论沙尘暴的成因,感知不定代词和不定副词的用法。2掌握Section A相应的单词和词组：sand, although, sandstorm, desert, human being,3掌握句型: A lot of water can be saved by forests.4Grammar: Indefinite pronoun and adverb.2 过程与方法：通过对话、朗读等小组合作活动，学习词汇，能够根据图片和信息提示词描述沙尘暴形成。3 情感态度与价值观： 通过小组合作活动，培养学生要爱护大自然。二教学重点： 能够从所听材料中获得有效的细节信息来补全句子。能够根据图片和信息提示词描述沙尘暴形成的过程。三、教学难点：描述沙尘暴形成的过程 四、课时安排：1课时五、教学过程(一)知识回顾: （独学,对学） 通读1a，完成1b，1.天气真差！_ 2.结果 _ 3.变成 _ 4.阻止做 _ 5.把吹走 _ 6.把冲_7.大量许多 _ 8. 形成，产生_ 9.充足充分的_ 10.尽某人最大的努力_(二)新知学习1、自主学习: （独学，展示）通读1a, 完成1b，并展示。2、合作探究:（群学，展示）A.小组合作探究完成以下任务：Task 1 组长带领读1a对话两遍。Task 2在1a画出下面的句子并做对应的练习。（课堂展示）1.What bad weather! 译：_总结：What引导的感叹句- a. What+形容词+不可数名词/可数名词复数！ b. What+ a/an+形容词+可数名词单数！练习：1）多么繁忙的一天呀！ 2) 多么美丽的花呀！ _2.As a result, a lot of rich land has changed into desert. 译：_点拨：change into（把变成）= turn into3.Trees can also stop the wind from blowing the earth away. 译： _点拨：stop sb./sth. (from) doing sth. = prevent sb./sth. (from) doing sth. 阻止做某事 (from可以省略)链接：同义词组 keep sb./sth. from doing sth. 阻止做某事（from不能省略）4.Cutting down trees is harmful to human beings, animals and plants. 译：_思考：cutting down trees是_词短语在句子中作_语，谓语用_数。Task 3 听力训练3a &3bA. Listening exercise. B. 课堂展示。3、展示提升（对学）：两人一组，练习课本2中的看图对话，并展示。 Work in pairs and talk about two of the pictures .（1c）4. 达标测评:（一） 单项选择（ ）1.What weather !Lets go hiking .A.a bad B.a fine C. bad D. fine( )2.We should humans destroying the environment. A.keep . by B. stop. to C.prevent. by D.stop. from( )3.I have to wait for the traffic lights to green .Then I can go on walking. A. change B. changed C. change to D.changing into ( )4. He made a serious mistake during the work . It us to stop working. A .caused . B. because C. did D. made （二）、完成下列句子。1.我们必须阻止人们砍伐太多树木。We must _ people _ _ _ too many trees.2.他们正努力阻止肥沃的土地变成沙漠。They are trying to _the rich land _ _ _ desert.5纠错巩固6.学习反馈（课堂小结）通过这节课，你学到了什么? 还有什么疑问？7.拓展延伸（课后作业） A练习册 Unit 2 Topic2 SA的练习B中考链接1. _ the help of the government, the poor children can get _ good education. A. Under; a B. With; a C. Under; an D. With; an 2. -_ he ever _ abroad? -No, never. A. Did; go B. Have; been C. Has; been D. Has; gone 3. Though it was so cold, _ he went out without a coat. A. but B. or C. so D. / 4. -H