仁爱英语九年级导学案上2013YY9123.doc

Unit 2 Topic 2 (Section C) English Proverb：Practice makes perfect. 熟能生巧Class Group Name Day Date Weather 【抽测】抽测完后，请给你的学习伙伴一个评价。抽测得满分者，可获得；测得满分且书写工整漂亮者，可获得。【学习目标】Learning Aims and Demands.1.学习新单词和短语： on earth, period, millions of, take away, rise, level, refer to2.学习重点： (1) When it rains or when the wind blows, the earth is taken away. (2) The heat from the sun cant escape so the temperature is rising.3.学习难点：(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) It causes the level of the oceans to rise and the climate of the earth to change.【预习导学】Preparing for lessons before class.一.读1a，完成1b面二. 在文中找到并划出下的短语1.臭氧层_2.更多的二氧化碳_3.在地球上；究竟_4.在这个时期_5.大大改变了我们的星球_6.数以百外计的树木_ _7.越来越多种类的动植物_ _8.一种特殊的氧气 _9.形成一个非常大的洞_10.来自太阳的有害的射线 _11.穿过这个洞_12.直接地到达地球 _13.来自太阳的热量_14.温室效应 _15.海平面_16.全球气候_【基础知识】Basic Knowledge. Self-study. (独学)学法指导： 认真阅读1a,找出重点和难点并用双色笔作出记号。 听磁带并跟读1a,再大声朗读。 Pairwork and groupwork (对学与群学)学法指导 组内讨论重点内容，记好笔记并质疑。 Find out the key words to repeat the passage 1a . .再读1a,组内讨论并完成1b.【深入探究】Further Learning1. Some things weve done are very good for the earth while some are bad. 译：_点拨：Some things weve done - 我们已经做过的事情,在句子中作主语 the films theyve seen-_while 并列连词，“而，却”，表示对照关系。练习：a.她妹妹喜欢唱歌，而她喜欢阅读。 _ b.昨天他们都出去了，而她却留在家里。_链接：while- 在时 - 从属连词，常引导含有延续性动词的时间状语从句，表示一个动作在进行的同时，另一个动作也在发生 练习：我做作业时，妈妈正在做饭。 _ while- 一会儿，一段时间 - 名词 常用短语：for a while - 一会儿练习：我们将离开一会儿。 _2. When it rains or when the wind blows the earth is taken away. 译：_点拨：take away 拿走，取走, 句子中是被动语态练习：a. 我不喜欢这些书，请把它们拿走。 _ b. They took away everything they like when they left. 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：1)太阳从东方升起。The sun _ in the east. 2)河水在慢慢地上涨。The water in the river _ _ _.3)让我们为友谊干杯。Lets _ glasses to _ _.【当堂反馈】Feedback.Today we can see that many people are cutting down the trees in the forests. A lot of 1 lands have become deserts. If we read newspapers, well learn that the forests on the earth are getting smaller 2 . We are cutting down large numbers of trees 3 we need wood and farmland. Some scientists say that there will not be any great forests 4 20 or 30 years.What will happen if the forests disappear? A lot of plants will die and the animals will 5 their homes. In many places the new farmland will soon look 6 the old desert. Crops will not grow there. There wont be enough 7 , and the weather will get hot and dry. If the climate of the earth changes, life will be 8 for everyone. Our living environment will become 9 . More and more rich farmland will disappear. We will suffer a lot from both droughts (干旱) and floods.Its our duty 10 the forests well. Everyone should try his best to make a contribution (贡献) to taking care of the forests. Stop cutting down the trees and make the world greener!( )1.A.lowB.richC.lonelyD.high( )2.A.on timeB.all the timeC.in timeD.no time( )3.A.orB.soC.becauseD.but( )4.A.inB.atC.onD.with( )5.A.findB.buildC.loseD.decorate( )6.A.likeB.upC.atD.out( )7.A.snow B.sun shineC.w