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《Warming up、Pre-reading、Reading、Comprehending》优质课PPT课件下载
Sweat down the field soon.
Who knows food on a tray,
Due to their toiling day.
A poem
by Li shen
联合国粮农组织称：饥饿每年夺去500万儿童生命
Look at the pictures below. did you know these facts before? What problem do they show?
Pre-reading
Discussion
If tomorrow
Discussion
What do you think would happen if tomorrow there was suddenly no rice to eat?
Why could China feed 22%of the world’s people from just 7%of the farmland?
Who plays such an important part in
Chinese agriculture?
7％---22 ％
Yuan Longping
Father of Hybrid Rice
Describe the rice in Dr. Yuan Longping’s dream.
as tall as sorghum
as big as a corn
as huge as a peanut
Why is Yuan Longping successful?
Discussion
※ Just dreaming for things , however ,costs nothing