Book 6 Unit 4 Global warming
Period 1 Reading
内容简析
本节课的内容是人民教育出版社出版的NSE高中教材必修6第四单元的Pre-reading, Reading, Comprehension 部分,本单元的话题是全球变暖。本节课是单元的阅读课,教材以说明文的文体呈现,教师可在充分利用教材资源的基础上,结合学生的实际情况设计教学活动,旨在帮助学生有效地掌握阅读技巧,形成有效地学习方法和阅读策略,同时了解说明文篇章结构和写作特点,为下一步进行说明文的写作教学做好准备。
目标聚焦
一、知识目标
1、初步理解、掌握课文中关于全球变暖方面的词语,学习分析课文中的长难句子,初步感知课文中出现的的本单元要学的语法现象。
2、利用已获取的信息发表自己对全球变暖问题的看法。 二、技能目标
1、能理解文章主旨大意,获取信息、处理信息、进行推理判断和表达的能力。 2、形成分析篇章结构的能力,提升逻辑思维能力 3、学会总结说明文文章主题的方法。 三、策略目标
1、通过图片和标题预测文章内容;运用略读和找读策略迅速获取信息,并能够精读文章获取信息和分析信息。 2、能利用上下文猜测生词词义。 (四)情感态度目标
了解全球变暖的危害和保护环境的重要性;增强节约能源保护环境的意识。
方法运用
1、整体教学法 2、体裁教学法
3、导、读、练的教学模式
学习流程
Before class (课前自主学习,合作探究)
Task 1 Vocabulary(词汇预习) Preview the new words of this text.
【设计意图】通过预习词汇为下一步的阅读扫清生词障碍。
Task 2 Warming up(热身)
Please look at the pictures on P25 and answer: 1. What do we use energy for?
2. Where does all this energy come from?
3. Which energy sources are renewable and which are non-renewable?
【设计意图】通过图片激发学生兴趣,引出本单元的话题:许多动物都处于危险之中,唤起学生的忧患意识,为后面的阅读做铺垫,帮助学生顺利完成报告阅读。 Task 3 Do the Exx in Fast reading
Task 4 Read the text and try to find out the difficult and charming sentences and then try to analyze or memorize them.
【设计意图】通过让学生课前自己找出难句、典句并试着分析和欣赏,培养学生主动发现问题问题和解决问题的能力,同时为课上的研读环节作了充分的铺垫。
In class(课上交流展示、研讨提升)
Step 1 Check-up and lead in(展示预习成果和导入新课)
1. Get two memebers of different groups to come to the Bb and check up their prevision tasks, one group to do the following task:
Find the words or expressions for each of the following meanings from the text. A.________ to use up B.________ to express
C.________ to take a quick look D.________ to take care of E.________ for each
F.________ sudden great disaster G.________ to support H.________ not agree I. ________ gentle
The other group is to report their prevision of the warming-up part. 【设计意图】该环节的设计意图是检查学生对前两个课前预习任务的完成情况。 2. Get the Ss to look at the pictures and the title of the reading passage and predict the content and then lead into the new lesson.
【设计意图】通过看图片和标题对课文内容进行预测,培养学生预测阅读内容的能力。同时通过预测激起进一步探究的好奇心,顺理成章的引入新课。 Step 2 Fast reading(速读)
1. Read the passage quickly and find out the answers of these questions, using
skimming and scanning skills.
1) Who wrote the magazine article? What’s the name of the magazine? 3) What are the two graphs about?
2. Read the text quickly and find out the two topics of the passage. Topic one: ____________________________________________ Topic two :____________________________________________ 3. Skim the text and match the main idea with each paragraph. Para1 A the cause of the earth’s becoming warmer Para2 B the consequence of burning fossil fuels Para3 C the increase of carbon dioxide Para4 D Global warming will go on Para5 E puzzles about global warming
Para6 F different attitudes to global warming Para7 G an introduction to the passage
【设计意图】通过设计三个问题引导学生运用略读策略快速了解课文的主要内容,并检查读前预测是否正确;考虑到学生归纳概括的能力比较薄弱,采用提问的形式给予学生帮助,可以降低难度,同时也教给学生如何总结说明文文章的主题;段落大意连线旨在把握文章大意学会总结和归纳课文内容,旨在教给学生运用找读策略了解课文具体内容;通过对课文主要信息的寻找,可以培养学生迅速搜索信息的能力。 Step 3 Careful reading (细读)
Read the text carefully and decide the following statements True or False. 1.The temperature in the last century did not seem to increase much.
2. Everyone believes that global warming is caused by the activity of humans. 3. Janice Foster believes that she can measure the future global rise in temperature.
4. The rise in carbon dioxide is causing a steady increase in global warming. 5. George Hambley believes that global warming will do good rather than harm to the earth.
6. It is clear what the effects of global warming will be.
【设计意图】让学生判断正误,旨在帮助学生把握课文细节。让学生在完全掌握课文内容和结构的基础上,可以顺利进行下一步的研读。 Step 4 Study-reading
2) What are the names of the three scientists mentioned in the article?