【正文】
在學(xué)生小組討論過(guò)他們的觀點(diǎn)后,播放一段辯論賽的錄像,可以讓學(xué)生觀察一下辯手是如何表現(xiàn)的,需要在辯論過(guò)程中注意什么,不需要老師多說(shuō)學(xué)生自然可以體會(huì)的到,這就避免學(xué)生做無(wú)用功。而人是科學(xué)的核心,由這一點(diǎn)引入人與自然的話題。如果說(shuō)科學(xué)對(duì)于學(xué)生來(lái)說(shuō)可能有一點(diǎn)專業(yè)比較難表達(dá)的話,把話題引導(dǎo)人和自然的關(guān)系就與學(xué)生很貼近,能表達(dá)的內(nèi)容也很豐富。用 45分鐘的時(shí)間讓學(xué)生進(jìn)行迷你辯論,小試牛刀。書本第 58頁(yè)的內(nèi)容正好作為輔助材料幫助指導(dǎo)學(xué)生如何取舍材料、羅列觀點(diǎn)。 k .Com ] 4. take nature more seriously 5. learn the importance and necessity of cooperating[來(lái)源 :學(xué) |科 |網(wǎng) Z|X|X|K] 教學(xué)重點(diǎn) Words , phrases and sentence patterns 教學(xué)難點(diǎn) Practical usage 教具 Blackboard , slides and handouts 教學(xué)內(nèi)容 教法學(xué)法 Teaching procedures: Step 1 Lead in (PPT4) 1. Briefly review the previous lessons about cloning. 2. Relate them to the theme of the unit—Science and nature. Lead students to think about the relationship between them. Tell students: How far science can go depends on humans. Science is the tool of humans against nature. 3. There has been much argument about the relationship between man and nature. concept of “DEBATE”. [Explanation] 經(jīng)過(guò)前面幾個(gè)課時(shí)的學(xué)習(xí),學(xué)生對(duì)于自然與科學(xué)的關(guān)系一定已經(jīng)有了更深的感悟。無(wú)論學(xué)生表達(dá)的怎么樣,都可以通過(guò)表?yè)P(yáng)或鼓勵(lì)的方式很快轉(zhuǎn)到本節(jié)課的主要任務(wù):辯論。 Step 4 Homework (PPT14) 1. Read the passage on page 59 about GM food 2. Collect as much information as possible about GM food. 3. Make a pro and anti list,