Module 4 Sandstorms in Asia 导学案-高中英语外研版必修三.docx

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1、高一英语导学案编号： 高一年级英语导学案Book3 Moudule 4教学内容Module 4 Sandstorms in Asia编制人审核人执教教师学习目标1解决文章中出现的困难词汇的读音与意义问题。2能看懂长句难句，理解文章大意。学情分析教学措施重点难点分析1重点短语和词汇。2. 文章大意的理解。教学过程一、自主预习（独学）教学思路（二次备课）.重点词汇1.s n.沙尘暴2.f adj.吓人的;可怕的3.i adj.内地的;内陆的4. adj.大量的;大规模的5.c n.战役;活动6.d n.(土地的)沙漠化7.p n.进程;过程8.c n.公民;市民9. n.沙尘;灰尘10.f vt.

2、预报;预告11.s n.力量;力气adj.强壮的 .12. vi.骑自行车13. n.面罩14.cut 砍倒15.be caught 突然遭遇(风暴等)16.one another 一个接一个地1.Deserts are also created because people cut down trees and dig up grass. 人们砍树挖草也造成了土壤的沙化。 cut down 砍倒 When I passed by,some farmers were cutting down trees. 当我经过的时候,一些农民正在砍伐树木。cut sth.down (to.)/cut do

3、wn (on sth.) 削减,缩小(尺寸、数量或数目)cut in 插嘴;超车抢道 cut off 切断;使隔绝 cut up 切碎;使伤心 cut out割掉;删除Cut on fatty foods and alcohol if you want to lose weight.She cut on a red Ford, forcing the driver to brake heavily.The army was cut from its base.She cut the meat on his plate.You can cut the unimportant details to

4、 make your writing brief.2.Scientists have tried many ways to solve this problem and in China,a mass campaign has been started to help solve it.科学家尝 试过多种方法解决这个问题,在中国,也发动了群众运动来帮助对付沙尘暴。 (1)mass 【用法1】 adj. 大量的;大规模的(仅用于名词前);群众的 Their latest product is aimed at the mass market. 他们的最新产品瞄准了大众市场。 【用法2】 n.C许

5、多;一群;团;块 She has a mass of things to do. 她有大量的事情要做。【即学即用】 用mass或mass短语的适当形式填空The movement was a campaign which was organized by government. are the true makers of history.There were people in the shop yesterday.When we face information,the key is how to choose the useful information. (2)campaign 【用法

6、1】 n.战役;(为取得某种结果而进行的政治、商业或社会性的) 运动;(宣传)活动 How many enemies do you know were killed in the Huaihai Campaign?你知道在淮海战役中死了多少敌人吗? We are launching a campaign against waste. 我们正发起一场反浪费运动。 【用法2】 v.发起运动,参加活动 We have campaigned successfully for better rural transport. 我们成功开展了改善农村交通状况的活动。【即学即用】 完成句子她成功地领导了一次反

7、对关闭图书馆的运动。 She led a successful the closure of the library.她毕生致力于环境保护运动。 She spent all her life environment protection.3.“To have been caught in a sandstorm was a terrible experience,” he said. 他说:“遭遇沙尘暴是一种可怕的经历。” be caught in 遇到(风、雨、雪等);被困于 Our car was caught in the heavy snow.我们的车被大雪困住了。catch fire

8、 着火 catch sight of 看见 catch up with 赶上 catch sb.doing sth.撞上某人在做某事 catch ones attention/eye 引起某人的注意 【即学即用】 完成句子他昨天淋了一场大雨。 He a heavy rain yesterday.When he was walking in the street,an old man in rags (吸引了他的注意). 4.You just had to hope youd survive. 你只能希望自己可以活下去。 survive 【用法1】 vi.幸存,生还(后可跟介词from或on)

9、He luckily survived from the air crash. 他幸运地避过了那次空难。 He survived on the dirty water found in the cave. 他活了下来完全是靠洞中找到的那点脏水。 【用法2】 vt.幸存;比活的时间长 Few people survived the sudden big earthquake. 几乎没有人在那次突然而来的大地震中幸存。 She survived her husband by ten years. 丈夫死后她又活了十年。 5.The storms sometimes continue all day

10、 and traffic moves very slowly because the thick dust makes it difficult to see. 暴风有时持续一整天,车辆开得很慢,因为浓浓的尘埃降低了能见度。 这是一个并列复合句,and连接两个并列分句,because引导一个原因状语从句。 句中makes it difficult to see中的make是使役动词,意为“使(某人或某物处于 某种状态)”,其中it为形式宾语,difficult为宾语补足语,不定式短语to see为真 正的宾语。make常用结构为:make it+adj./n. (for sb.) to do.

11、 The heavy snow made it impossible for them to get there on time. 这场大雪使得他们不可能按时到达那儿。 He makes it a rule to recite a poem every morning. 他把每天早晨背诵一首诗作为一个习惯。提示:作形式宾语的词只能使用代词it。it作形式宾语时,后面的宾语补足语除了形容词外还可以使用名词。it作形式宾语的情况还用在下面句式中:feel/think/believe/find/consider+it+adj./n.+(for sb.) to do/that. 【即学即用】 完成句子

12、汤姆病了,使得我们不可能按时完成这项工作。 Toms illness made the work on time.大雨使得救援队伍挽救在6月1日沉在长江的客轮中的幸存者更加困难。 The heavy rain survivors in a passenger ship which sunk in Yangtze River on June 1. 6.The Chinese Central Weather Station can forecast a sandstorm some weeks before it arrives in Beijing, but the strength of th

13、e storm sometimes surprises people.中国中央气象台能在沙尘暴到达北 京前几周进行预报,但风力大得有时让人们吃惊。 strength n.U体力,力气,意志力 C 优势,长处 He raised the heavy box with all his strength. 他用全身力气举起了那个重箱子。 Though he is not hard-working,he has some strengths. 尽管他学习不刻苦,但还是有些长处的。Reading and Vocabulary1.Sandstorms in China appear to have inc

14、reased in recent years as a result of “desertification”.(P32) 本句中appear to have done为不定式的完成时,表示一个更早的动作,发生在 主要动词所表示的动作之前。其中appear意为“似乎,好像”。 From her look,she appears to have known the truth. 从她的表情看,她好像已经知道了真相。【拓展】appear 用作系动词,意为“似乎,显得,好像”,常见用法:appear+n./adj.,appear to do/to be doing/to have done.似乎要做

15、/正在做/已经做过it appears to sb. that.在某人看来,似乎there appears to be.似乎有 课文缩写填空 Sandstorms have been a major disaster for many Asian countries for centuries. Scientists have tried many ways 1. (solve) this problem and in China, a mass campaign 2. (start) to help solve it. Sandstorms are strong, dry winds tha

16、t carry sand. They are often 3. thick that you cant see the sun, and the wind is sometimes strong enough 4. (move) sand dunes. Northwest China is part of the sandstorm center in Central Asia. Sandstorms begin 5. desert areas, Sandstorms sometimes affect Beijing. Citizens wake up to an orange sky and

17、 strong winds 6. cover the city in a thick, brown-yellow dust. The Chinese Central Weather Station can forecast a sandstorm some weeks 7. . it arrives in Beijing, but the 8. (strong) of the storm sometimes surprised people. The desert is only 250 kilometers away to the west of Beijing. In order to p

18、revent it 9. (come) nearer, the government has planted more than 30 billion trees and plans 10. (continue) planting for the next five years.教学反思答案：.重点词汇1. sandstorm n.沙尘暴2.f frightening adj.吓人的;可怕的3. inland adj.内地的;内陆的4. mass adj.大量的;大规模的5. campaign n.战役;活动6. desertification n.(土地的)沙漠化7. process n.进

19、程;过程8. citizen n.公民;市民9. dust n.沙尘;灰尘10. forecas t vt.预报;预告11. strength n.力量;力气adj.强壮的 strong .12. cycle vi.骑自行车13. mask n.面罩14.cut down 砍倒15.be caught in 突然遭遇(风暴等)16.one after another 一个接一个地downinoffupoutmassThe massesmasses ofa mass of/masses of1、 campaign againstcampaigning forwas caught incaught his attention/eyeit impossible for us to completemade it more difficult for the rescue team to save the课文浓缩填空：答案:1.to solve2.has been started3.so4.to move5.in6.that7.before8.strengthing10.to continue8学科网（北京）股份有限公司