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1、精品资料Sandstorms-in-Asia(外研版高中英语必修3第.Sandstorms in Asia(外研版高中英语必修3第4模块)姓名彭静单位西乡二中课型阅读课课时第2课时教学对象高一(6)班是否采用多媒体是一、教材分析 本模块主题是“Sandstorms in Asia”, 亚洲的沙尘暴。沙尘所挟带的污染物和有毒重金属,对环境和人体健康造成影响。沙尘暴转趋频繁,是全球自然灾害日增大趋势的一部分。根据估计,沙尘暴每年造成的综合经济损失可达65亿美元。READING AND VOCABULARY合并为第二课时“阅读课”。课文“Sandstorms in Asia”属说明文体,介绍了沙尘暴
2、的特点、世界沙尘暴重灾区和中国面临的沙尘暴和荒漠化问题。对于阅读课如何上,师生各有己见。但阅读的目的就是培养阅读策略,培养语感,特别是培养学生在阅读的过程中获取和处理信息的能力。在这个过程中教师起着鼓励,启发,引导,帮助,监控,参与,反馈与评价的作用二、学情分析我所带的学生英语基础较差,在阅读的基本能力方面学生的猜词义,推理判断能力较差。基于此在有限的课堂教学中,着重培养这方面能力和给予学生启发和思考是教师的第一要务。 本节课vocabulary为其内容之一,活动2,3均为词义理解的练习,但学生多习惯于学之前先学习词汇,这也是降低阅读难度的策略,但学生会减少在文中根据语境理解词义的机会,为此可
3、以把这两个活动改为通过语境加深理解词义,掌握运用生词的活动。课前预习,课中检查核对,暴露学生理解中的问题,指导学生提高理解能力。三、教学资源与策略本节课除外研版必修3教材、录音资料外,还借鉴了英语周报、优化探究和金色教案中的一些好的方面,同时也通过互联网搜索了有关沙尘暴的一些资料和图片。主要采用的教学策略有: 任务型阅读教学法和交际式教学法。四、教学目标1.Knowledge:Learn the follow words and phases: mass,campaig,dune,desertification,process,citizen,dust,forecast,strength,cy
4、cle,mask,be caught in, a terrible experience, in desert areas, in recent years, as a result of, cut down trees and dig up grass. 2.Skills:Train students ability of summarizing.Train students ability of understanding the vocabulary by learning in the real context.Understand the text and the logic lin
5、ks and then get the information to answer the questions.3.Cultural consciousness and feelings:Learn the situation of the world environmental protection and strengthen their realization.五、教学重难点【教学重点】1. Make students learn the language points by teachers questions and students thinking and apply the p
6、oints by comparing and practice, thus the students finish their self-learning. 2. Learn the structure by understanding the profile of each paragraph. 3. Learn to find and deal with the information in reading to improve students abilities of analyzing and solving problems.【教学难点】1. Analyse and deal wi
7、th the text and finish the activities with the expressions they learnt. 2. Make students have a habit of self-learning.六、教学过程教学环节教师活动学生活动设计意图Step OneLeading-inPlease look at the photo on the screen. What is it? Yes, it is sandstorms.Now do you want to know more about sandstorms in our country? Pleas
8、e turn to page 32.1.Apprreciate these pictures 2. Discuss some questions通过图片的展示让学生感受沙尘暴,并试着用恰当的形容词来描绘沙尘暴,说出沙尘暴最严重的地方,引出课题- Sandstorms in Asia.Step TwoPre-readingRead the title “Sandstorms in Asia”, ask students to suppose what the article will talk about.Discuss and predict the topic actively in gro
9、ups.通过讨论猜测的形式锻炼学生的积极思考的习惯,在此基础上阅读下文会更有目的性。Step ThreeWhile-reading1. Read and answer the reading comprehension questions according to the text.Part1.Choose the correct answer.1. A mass campaign has been started to help solve the problem of _.A. sandstorm B. desert C. water shortage D. high temperatur
10、e2. The four main places in the world where there are sandstorms are _. A. North Asia, South America, Central Africa and Australia B. Central Asia, America, Central Africa and Australia C. North Europe, Central America, West Africa and Australia D. Central Asia, North America, Central Africa and Aus
11、tralia 3. To prevent _ coming nearer, the government is planting trees. A. sandstorms B. strong winds C. the desert D. bad weather4. Why did Ren Jianbo think he was going to disappear under the sand?A. Because he was buried in a duneB. Because he was frightened by the sandstorm.C. Because he was blo
12、wn away.D. Because he was a child.5. What is the situation of sandstorms in China now?A. Sandstorms in China begin.B. Sandstorms in China appear in recent years.C. Sandstorms in China begin to increase.D. Sandstorms in China seem to have increased in recent years.Part2. Listen to the text carefully
13、and decide how many parts this article can be divided into.Part I (para.1):Part II (para.2-5):Part (para.6):Read the text quickly to find the main idea and important information. Then choose the correct answer.Pay attention to the detailed information.Listen to the text carefully once again to decid
14、e how many parts this article can be divided into.1.训练学生能在短时间内有效地提取信息,完成相应的阅读任务。2.注意细节性信息,准确理解文意。3.培养学生的阅读速度与阅读技巧,形成良好的阅读习惯。通过听录音一方面培养了学生的听力;另一方面进一步加深了学生对课文内容的整体理解和掌握,形成对文章框架的正确认知,从而增强阅读能力和语篇分析能力。Step FourPostreadingComplete the article with one word in each blankA sandstorm is a major _1_ for many
15、Asian countries. Being strong, dry winds carrying _2_. Sandstorms are often so thick that you cannot see the sun, and the wind is sometimes _3_ enough to move sand dunes. The four main places in the world where sandstorms _4_ found are Central Asia, North America, Central Africa and Australia. North
16、west _5_ is part of the sandstorm center in Central Asia. Sandstorms sometimes come to Beijing. Citizens _6_ up to an orange sky and strong winds. The storms sometimes go on all _7_ and traffic becomes very slowly.The Chinese Central Weather Station is _8_ to forecast a sandstorm some weeks before i
17、t arrives in Beijing, but its strength _9_ terrifies people. The desert is only 250 kilometers away to the west of _10_. To prevent it coming nearer, the government is planting trees.According to the text, put appropriate words in the blanks.通过给短文填空的形式进行课文的复述,一方面降低了难度,另一方面让学生能学会在一片文章学完后自己能用几句话简单进行讲述
18、,锻炼了他们的概括能力。Step five Summary Step six HomeworkSummarize what the students get in this class both in knowledge and strategies.Read to retell the text.Review the whole passage.Retell the text use your own words.对本节课进行概括和归纳通过复述这种训练考查学生对课文的理解,同时也锻炼了他们的书面表达能力。七、教学评价 本人在这节阅读课中通过安排学生的个人探索、合作学习、讨论等各种形式来激发学
19、生学习兴趣。让学生在教师的指导下,通过感知、体验、实践,参与和合作等方式,实现任务的目标,感受成功:在学习过程中进行情感和策略调整,以形成积极的学习态度,促进语言实际运用能力的提高。采用师生交流方式导入自然亲切,拉近了师生之间的情感距离,营造出宽松的学习气氛,同时让学生了解身势语的有关内容。根据教师提出的一系列问题,学生自主搜索与身势语相关的信息资料,然后以个人探究和合作学习相结合,并以各种的形式展示交流成果。本人这节课安排探究和讨论过程中的观点汇总等形式鼓励学生借助小组活动的形式来合作,表达,思考,能使学生在活动中互相学习、互相帮助,互相鼓励,体验集体荣誉感和成就感,发展合作精神。通过师生交
20、流与总结这一形式引发学生对身势语的深入思考,进一步深化主题。 八、教学反思 1.在通过教师设问,学生思考回答从而完成学生知识点的自我积累时,我感到设问的问题较少,而在确定的几个主要问题上,学生回答较为准确,从而缺少了学生深入的思考与学习方法的体验。在对文章大意归纳时,给学生时间不足,从而缺少学生根据文章信息得出大意事的充分思考。在训练学生对信息加工与处理能力时,活动设计目的明确,但量不足,所获得的体验未能的到再体验与提高。2.用自己的话去完成对课文的复述这个练习教学中发现并不是学生的难点,这是因为空设计的太简单。而对学生自我能力的培养上,本节课起到了方法的指导作用。3.教学方法设计合理,运用恰
21、当。但感到方法上缺少新意。在本堂课的教学理念上做到了面向全体学生,评价做到了注重发展性评价。但在教学设计中未能体现出来。九、板书设计Module4 Sandstorms in Asia Para1 major disaster in Asia- sandstorm Para2 description, cause, influence, suggestion Para3 measures专家点评(交大附中 陈江丽)亮点:1. 本节教学设计的教材分析非常到位:分别详细论述了本单元的教学内容,本课教学的内容;本节课是本单元的第几课时,本节课在本单元起着开篇引领的作用和教师的设计思路。非常全面,到位
22、。2. 学情分析具体细致,涉及到目前学生已有的基础,展现的问题和弱项。3. 教师的任务型阅读教学法和交际式教学法和策略定位合理,科学。不足之处: 1. 本节课的知识技能目标与教学重点中都提到重点词汇,但是在教学环节中没有体现教师是如何让学生掌握这些词汇的。2. 阅读的层次设计不够科学。原则上在学生skimming 的环节中,学生要掌握阅读材料的大意。然后学生scanning寻找理解文章的细节信息;其次学生研读一些关键句子或段落,理解生词汇的意义,对长难句进行分析;最后学生再次阅读重点段落找出作者的写作手法,作者的隐含意等等, 加深对阅读材料的理解。 本教学设计把文章的主题理解没有放在第一步阅读中进行。3. 在读后环节教师设计了summary,并把它设置成短文填空的形式,降低了难度。但此环节只是对文章的简单的总结,并没有上升到对文章深层次的理解。建议教师在此设计一些创造性的问题,发散性思维的问题,或评价性的问题,引导学生运用所学的英语做事的能力,培养学生的综合运用英语语言的能力。