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2.To present some new words and read the words together .
[设计意图]为接下来学习扫清障碍。
Step 2 :Reading
1.Read the information about Yuan Longping and answer the following questions.
1）. Who is Yuan Longping?
2）. Why did he begin research into hybrid rice?
3）. Why does Amy admire him?
2.Read the information aloud
[设计意图]:通过阅读回答相关问题，大致了解袁隆平生平。
Step 3: Language points
Discuss any difficult items in the information about Yuan Longping
1. … happen to find a natural hybrid rice plant what had many advantages over others
happen to do sth. 碰巧做某事
e.g. 我们打电话时她刚巧不在家。She happened to be out when we called.
2. Contribution: his achievements have increased rice production by 20%—30%...
contribution n. 贡献
make a contribution to sth. / doing sth. 为……作出贡献
e.g. 每个人都应当为保护环境做贡献。
Everyone should make a contribution to protecting the environment.
increase vt. 增加
increase by … 增加了……
increase to … 增加到……
e.g. 这个镇的人口增长了5%。
The population of this town has increase by 5%.
人口已经增长到了180万。
The population has increased to 1.8 million.
[设计意图]:解决难点知识，为以后写作扫清障碍。
Step 4 Work on Task B
Let Ss complete the article and check the answers.
[设计意图]：让学生进一步感知教材。