高中英语 unit4 task 新人教版必修2.ppt

Listening and reading
Unit4
整理课件
Dictation:
,比人类的出现要早得多.
2 科学家是根据恐龙骨骼的连接方式做出这种判断的.
3 没有人确切地知道.
4 其他人认为地球变得太热,恐龙不能再继续生存了.
整理课件
Answer to questions about listening
1. One of his fields was too dry to grow crops.
2. His first idea was to dig a ditch to bring water to the land.
3. Because the crops on the rest of his farm began to die.
4. His second idea was to dig a well to get water from the ground.
5. He took away the water from the farms of his friends.
6. He thought about crops that liked dry land and could get the water from the ground. So he grew coconut and lychee trees.
整理课件
Once there was a farmer who lived with his family on a small farm. He grew rice and vegetables and made a lot of money at the market. But one of his fields was too dry to grow rice or vegetables. Every year it lay empty and the farmer worried about how he could improve this part of his farm. “Perhaps I can move the river and make this land grow crops,” he thought. So he tried. He dug a
整理课件
ditch from the river so that the clear, clean water would reach his dry land. The river changed its course and the dry land became wetter, but the rest of the fields did not get enough water and the crops began to turn yellow and die. “Oh dear,” thought the farmer, “ that is not the answer.” So he moved the river back to its old course.
整理课件
“Perhaps I can dig a well,” he thought, “and that will make the land grow crops.”
So he dug a deep well. The water that came up from the well was clear and clean and made the dry land wet and ready to grow crops. But the farmer’s neighbours came running to see him, “You are taking our water. It has disappeared from our wells
整理课件
since you dug yours.” They said, “ If you continue to do that we shall have no crops for ourselves.” “Oh dear,” thought the farmer, “that is not the answer.” So he stopped getting water from the well.
Then he noticed a beautiful bird. “ Why not grow trees here?” it said, “There is a lot of wat