教学反思
在讲授人教版高中英语必修4 UNIT 2 的阅读课时，我通过词汇教学让学生理解文章的内容，收到了比较好的教学效果。
本单元跟农业有关，因此在引入时，我先从农业耕作的词汇入手，让学生说出农业耕种的步骤的单词和短语，并呈现图片，这样做可以提起学生的学习兴趣。Step 1 Leading in
1. Have you ever grown any plants?
2. Do you know the steps of growing rice?
Farming steps: select the _________; __________ the soil; ______ ______ the soil; __________ the seeds; remove the ___________; _____________.
In order to improve the output of crops, we need to …
1. ____________ the soil;
2. kill off the __________;
3. ___________ the crop;
4. _____ the soil _____ the weeds.
Step 2 Reading
在阅读环节中，我要求学生阅读后用关键词概括文章段落的大意。
Task 1 Skimming
Use one or two words to summarize the main idea of each paragraph.
Para 1 Dr Yuan’s _____________ and his _____________.
Para 2 Dr Yuan’s ____________.
Para 3 Dr Yuan’s ____________.
Para 4 Dr Yuan’s ____________.
在细读环节，我根据段落的内容分别设置了填空题，都要用到各段内容中出现的重点词汇填空。
Task 2 Careful reading
Paragraph 1
Find the words in this paragraph to describe Dr. Yuan’s appearance and achievement.
Yuan Longping thinks he is a _________ as well as a scientist. He has _________ face and arms and a _______, ________ body.
He works hard and grows super ________ rice. In 1974, he became a _________ to grow rice that has a high _________.
Paragraph 2
Fill in the blanks to complete Dr. Yuan’s biography.
Dr. Yuan’s biography (3m)
Born into a poor farmer’s family in 1930, Dr Yuan ___________ from Southwest Agriculture college in 1953. In 1950, Chinese farmers produced fifty million tons of rice and ________ was a __________ problem in many parts of the countryside. He saw the great ______ for increasing the ___________ and searched for a way to increase rice _________ without ___________ the area of fields. And 200 million tons of rice was produced by growing his _________. Now he helps __ the world __
hunger by __________ his knowledge in _____________ countries.
Paragraph 3
Find the words to describe Dr Yuan’s personality.
He doesn’t care about ______ and _______. He likes _________ for his research and hobbies.
He ___________ work _____ lead a comfortable life.
His hobbies: ______________________, _________________________,
______________________, __________________________. Paragraph 4
His dreams
1) The first dream
What is his dreaming rice like?
(rice plants) As ________as ___________
(each ear) As ______ as a ________
(each grain) As _________ as a ___________
2) The second dream
To ______ his rice so that it can be grown around the globe.
通过细读，学生掌握了文章中出现的大多数重点词汇。
在阅读理解部分，我设置了选择题，选取了文中的单词划线给出4个选项让学生猜词义。
Task 3 Reading comprehension
Which of the following words or phrases is similar to the underlined part of the sentence?
1. Dr Yuan is now circulating his knowledge in India.
A. sending
B. spreading
C. distributing
D. moving
2. However, he doesn’t care about being famous.
A. money
B. popularity
C. fame
D. honour
3. Just dreaming for things, however, costs nothing.
A. is free
B. is priceless
C. is meaningless
D. is worthwhile
在最后的知识再现和巩固环节中，我以语法填空的形式设置了词汇填空来对本节课学到的词汇进行复习。
Step 3 Consolidation（知识再现与巩固）
Yuan Longping is a great man, for he has (奋斗) for human race for a long time. His attention is (集中) finding ways to grow more green rice, which will not ______________ (导致) illness. ___(use) his special rice, farmers can produce harvest twice as large before without ___________(expand) the area of the fields. Thanks _____ his research, Chinese （使摆脱)themselves of _______ (hungry). __________(因此), he is called “father of hybrid rice”. In addition,he is ___________________(对…满意)his life. He (宁愿) keep time for swimming, which (增强) his strength.
（设置这部份练习的目的在于让学生学会用猜词法来理解文章的词汇）
