九年级英语上册Unit 2 Saving the Earth Topic 2 All these problem are very serious Section C导学案（无答案）

1、.Unit 2 Topic 2 . Section C导学案预习+展示+反响 备课组：九年级英语备课组 主备人: _ 时间：一 教学目的：1知识技能：一、掌握Section C相应的单词hole, form, rise, oxygen, ozone layer,二、掌握句型:1.Forests have become deserts, so more and more sorts of animals and plants are disappearing.2. As a result, many rivers and lakes are now dead.3. Too much harmfu

2、l radiation from the sun passes through the hole and reaches the earth directly.4. It causes the level of the oceans to rise and the climate of the earth to change.2 过程与方法：通过对话、朗读等小组合作活动， 3 情感态度与价值观：通过小组合作活动, 培养学生的保护环境。二教学重点： 黑体单词和词组；none, everything, anywhere等不定代词和不定副词的用法。三、教学难点：none, everything, a

3、nywhere等不定代词和不定副词的用法。四、课时安排：1课时五、教学过程一知识回忆: 独学,对学【1】 通读1a，完成1b，自学第39、40页的内容，并写出以下英语独学1.在地球上_ 2.在很多方面_ 3.一些另一些_ 4.全世界_ 5几百万_ 6.拿走_7. 提到，涉及_ 8.对重要_ 9.穿过_ 10.温室效应_ 11.致癌_二新知学习1、自主学习: 独学，展示通读1a, 完成1b的表格，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 组长带着读1a对话两遍。Task 2在1a中找到出下面的短语和句子，并把它们熟读。课堂展示1. Some things wev

4、e done are very good for the earth while some are bad.2. 译：_点拨：while 并列连词，“而，却，表示对照关系。练习：.她妹妹喜欢唱歌，而她喜欢阅读。译： _ 链接：while- 在时 - 附属连词，常引导含有延续性动词的时间状语从句，表示一个动作在进展的同时，另一个动作也在发生 练习：我做作业时，妈妈正在做饭。 _ 3. When it rains or when the wind blows the earth is taken away.4. 译：_点拨：take away 拿走，取走, 句子中是被动语态练习： 我不喜欢这些书，

5、请把它们拿走。译： _3.The heat from the sun cant escape so the temperature is rising. 译：_点拨：rise - 升起，上升 不及物动词 拓展：raise 举起，提起，抬起 ； 筹集 及物动词 练习：太阳从东方升起。The sun _ in the east.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 .1c4.

6、 达标测评:完成句子1.我们必须阻止人们砍伐太多树木。We must _ people _ _ _ too many trees.2. 看！风吹走了他的帽子，水冲走了他的鞋子。Look! The wind _ _ his hat _, and the water _ _ his shoes _.3. 他们正努力阻止肥沃的土地变成沙漠。They are trying to _ the rich land _ _ _ desert.4. 你可以告诉我们沙尘暴是怎样形成吗？Can you tell me how _ _ _ _?5. 许多动物面临灭绝的危险。_ _ _ animals are _ _

7、 _ _ _.5纠错稳固6.学习反响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中考链接单项选择。 1.This washing machine is very difficult to use. _ can learn to use it in a very short time.A.SomebodyB.AnyoneC.NobodyD.Everyone 2.Hi, Bob! I cant find my story book. Have you seen it?Sorry, I havent. Why not ask Jim? Perhaps hes seen it _.A.anywhereB.everywhereC.nowhereD.somewhere 3.We must plant more trees after we _ every year.A.take away themB.take them away C.cut down them D.cut them down 4.The cleaners must keep the street _.A.from getting dirty B.to dirty