董桂萍
【教材分析】
Module 4 Great Scientists?是一篇記敘類文章,類似于人物傳記,介紹我國科學家袁隆平的生平、主要貢獻以及他的雜交水稻產(chǎn)生的國內(nèi)外影響。通過對科學家這一話題的探討,增強學生對科學的興趣,通過學習科學家的生平及事跡,激發(fā)學生學習動機,樹立正確的人生觀、價值觀,幫助他們樹立遠大的理想。
【學情分析】
高一的學生,對新知識有濃厚的興趣。
高一學生在過去的學習中已經(jīng)有了一定的聽、說、讀、寫基礎。
高一學生也已經(jīng)具備了一定的自主合作和探究的能力。
【教學目標】
1.知識與技能:學習并學會運用重點單詞、詞組和有用表達。
2.過程與方法:培養(yǎng)學生的閱讀技能,包括:理解文章主旨、作者意圖;提取、篩選和重組文章中的信息;利用上下文猜測新詞匯。
3.情感態(tài)度與價值觀:使學生意識到科學家也是普通的人,他之所以會成功,是因為他們身上有一些可貴的品質(zhì),因此激發(fā)學生斗志,努力成為對社會有用的人。
【教學重點】
提高學生用英語獲取信息、分析問題、解決問題的綜合語言運用能力
【教學難點】
綜合運用詞匯積累、閱讀技巧和閱讀速度完成相關練習。
【教學策略】
充分利用多媒體教學手段,通過相關圖片調(diào)動學生學習興趣
在語篇閱讀中,采用“整體把握文章大意—分段細讀獲得細節(jié)信息—通讀全文深層次理解”的方法和策略。
【學習策略】
自主學習,小組探究,合作學習。
【教具準備】
多媒體計算機教學,黑板,學案。
【教學步驟】
Step 1. Lead-in
結合圖片,將文章中一些難掌握的詞匯呈現(xiàn)給學生,幫學生掃除一些閱讀中的障礙。
agriculture,staple,cross,hybrid,yield,sterile,species,breeding ,genetics
(設計意圖:用圖片的方式導入,可以避免學生在學習詞匯的過程中感到枯燥,可以激發(fā)學生學習的興趣。另外,通過圖片,可以讓學生很直觀地感知單詞意思,印象深刻,不易忘記。)
Step 2. Pre-reading
Read the title of the passage and answer the following questions.
1.The title of this passage is The Student Who Asked Questions. In your opinion, will it be about something or about someone?
2.When a passage is about someone, usually what does the writer write about him/her?
【設計意圖】使學生明白文章的標題對于文章的概括性
Step 3. Fast-reading
Try to find the main idea of each paragraph (match)
Para 1:a.As a young teacher,he began experiments in crop breeding.
Para 2:b.He discovered a special type of rice.
Para 3:c.His discoveries increased Chinese rice production.
Para 4:d.The yield of the new hybrid rice is much greater than that of other types grown in Pakistan.
Para 5:e.Yuan Longping is a leading figure in the rice-growing world.
Para 6:f.As a boy, he was called“the student who asked questions”。
(設計意圖:讓學生通過這一活動初步了解每一段的內(nèi)容,對文章有個大概感知。)
Step 4. Careful-reading
Read each paragraph carefully and try to answer some questions
Paragraph 1
1. Which country is the worlds largest rice producer?
2. Where is rice grown in the world?
3. Which kind of figure is Yuan Longping ?
Paragraph 2~4
1. What did he do? (complete the sentences)
As a boy __________
As a college student __________
As a teacher ____________
In 1966 ____________
In 1970 ________________
2.Which sentence in the passage is the closest in meaning to the following one?
The most important way to provide enough food to people was to produce more rice quickly.
3. How he thought we could make it ?
4. What result could the new rice be?
5. What kind of new type of rice did Yuan Longping discover?
A. male B. sterile C. male and sterile
6. What is the process of his discovery?
a. Experimented with different types of rice.
b. Began his research for a special rice
c. Discovered a naturally sterile male rice plant
A. b a c B. a b c C. b c a
7. Who supported the research?
A. Yuan himself B. His friend C. The government
Paragraph 5~6
1. What are the advantages of hybrid rice?
2. What is the most important crop in Pakistan?
3. Whats the feature of the new hybrid rice?
(設計意圖:通過設置一些問題讓學生回答,不僅讓學生積極參與到思考當中,一步步深入了解了文章的細節(jié)內(nèi)容,而且提高了學生的閱讀能力。)
Step 5. Post-reading
1. Summrize the information about Yuan Longping
2. Discussion
In your opinion, what has made Yuan Longping a great scientist?
What can we learn from Yuan Longping?
(設計意圖:這一活動有利于知識的鞏固,還能提高學生的發(fā)散性思維和綜合運用語言的能力,而且,這一討論也把情感與價值教育融在了其中。)
Step 6.Homework
Write a brief introduction to Yuan Longping
提示
The Chinese scientist, Yuan Longping, is ...
He was ... in China.
As a boy he was …
As a college student... And as a young teacher ...
He thought that the key ...
In 1966,...
In 1970, ...
His research was ...by the government.
As a result of ... by 47.5 percent in the 1990s.
Yuan Longpings rice was ... to ...
【板書設計】
Module 4 Great Scientists
The Student Who Asked Questions
評價與反思:
1.整節(jié)課以學生活動為主,教師適當引導,體現(xiàn)了以學生為主體的教學理念。
2.本節(jié)課通過不同的閱讀活動,訓練學生理解文章主旨,獲取細節(jié)信息的能力,達到了與高考接軌的目的。
3.用激勵性語言評價各小組在課堂中的活動,激發(fā)了學生學習興趣,學生獲得了成就感,增強了自信心。
整體感覺不錯,但在任務設置上有些缺乏層次,對后進生來說難度稍大,容易挫傷其積極性,這點需要在以后的備課中改進。
|編輯 溫雪蓮