2021学年Unit 2 Great PeopleLesson 9 China's Most Famous "Farmer"公开课教案及反思
展开第三课时 Lesson 9: China’s Most Famous “Farmer”
重点单词 | variety n.品种；变化 introduction n.采用；引进；推行 produce v.生产；出产[来源:] super adj.超级的 |
重点短语 | Father of Hybrid Rice 杂交水稻之父 since then 从那时开始 together with 同……一起 |
重点句子 | 1.In the dream，he grew a new type of rice that was as big as a peanut. 在梦里，他种出了一种和花生一样大的新型水稻。 2.The plant allowed farmers to rest in its shade. 这种农作物可以让农民在它的阴凉里休息。 3.Since then，he has spent much of his time researching and developing new varieties. 自那以后，他就花费大量的时间研究和培育新品种 4.In 1973, together with other scientists, he succeeded in developing hybrid rice. 1973年，袁隆平同其他科学家一起成功研制出杂交水稻。 5.The introduction of this new product made China a leader in rice production. 这种新品种的产生使中国在水稻种植方面成为了佼佼者。[来源:ZXXK] |
教学难点 | 能用before，after，as引导的时间状语从句和that引导的定语从句进行表达 |
[来源:学&科&网Z&X&X&K][来源:学.科.网]
环节1 新课导入
1.根据图片，复习并呈现上一节课所学的句子。
2.多媒体展示“水稻之父”袁隆平的图片。
T：Boys and girls，look at the picture.Who is he，can you tell me?
Ss：Yes.He is Yuan Longping.
T：Yes，very good.What is he famous for?
Ss：A new kind of rice.
T：Why is the rice special?
Ss：...
T：OK.Let’s learn Lesson 9 to learn about it.Ready？Go!
设计意图：根据图片导入本课话题，师生互动，激发学生的学习兴趣，创设轻松的学习氛围，开发他们的最大潜能，从而使这堂课在最大程度上达到最高效能。
环节2
在屏幕上呈现更多的问题，让学生根据问题旁边的图片，试着理解这些问题。老师可以适当给予帮助，对新单词和一些词组可以给出提示。
1.Read and do Exercise 1 on Page 23.
2.Let the students listen to the tape of the article and repeat it sentence by sentence，then read it aloud by themselves.
3.Work in group of 8 to find out the key words，phrases and sentences in the article.
4.The teacher explain the whole article sentence by sentence.
5.Let students finish Exercise 2 and check the answer.
6.Work in groups. Think of an invention of a good way to make life better. Then talk about it with your group members.[来源:Z*xx*k.Com]
7.要点点拨
（1）In the dream，he grew a new type of rice that was as big as a peanut.
在梦里，他种出了一种和花生一样大的新型水稻。
句子结构：本句是由that引导的定语从句。that was as big as a peanut作rice的后置定语。
（2）The plant allowed farmers to rest in its shade.
这种农作物可以让农民在它的阴凉里休息。
allow sb. to do sth.允许某人干某事。allow的其他句式：allow doing sth.允许干某事 be allowed to do sth.被允许干某事
（3）Since then，he has spent much of his time researching and developing new varieties.从那以后，他就花费大量的时间研究和培育新品种。
spend＋时间/金钱＋(in)＋doing sth.花费时间/金钱做某事。
（4）....，he succeeded in developing hybrid rice.……，他成功研制出杂交水稻。
succeed in doing sth.成功做某事。
（5）The introduction of this new product made China a leader in rice production.
这种新品种的产生使中国在水稻种植方面成为了佼佼者。
introduction名词，“传入；介绍”。其动词为introduce“介绍”。
made China a leader使中国成为带头人；其句式为：make＋宾语＋宾补。
（6）Now Dr.Yuan is working on developing super hybrid rice.
现在，袁博士正在研究超级杂交水稻。
work on“从事于”。后面常接名词或动名词。
设计意图：学生应是学习的主体，教师要努力调动学生学习的积极性和主动性，通过组内合作讨论，探究，找出文章中的重点短语和句子，把所学的知识转化为学习能力。
Unit 2 Great People 第三课时 Lesson 9: China’s Most Famous “Farmer” | |
Father of Hybrid Rice, since then, together with
| 1.In the dream，he grew a new type of rice that was as big as a peanut. 2.The plant allowed farmers to rest in its shade. 3.Since then，he has spent much of his time researching and developing new varieties. 4.In 1973, together with other scientists, he succeeded in developing hybrid rice. 5.The introduction of this new product made China a leader in rice production. |
请完成本课对应训练！
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