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《Section 4： READING FOR MEANING》精品PPT课件优质课下载
We are wondering the origin of life. Could you tell me?
You did a good job. But I want to know how life began on the earth in our text book. Could you help me?
Skimming for main ideas
of each paragraph.
(P27,Ex1)
Skills: listen to the tape and
underline the key words.
Task One
Try to fill in the blanks with the key word of each paragraph.
Para 4. The development of on the earth.
Para 2. The formation of .
Para 3. The importance of for life.
Para 1. The formation of .
the universe
the earth
water
plants and animals
How Life Began on the Earth
Para 5. The arrival of and
their impact on the earth.
humans
Scanning for details
Put the events into a timeline.
(P27,Ex2)
Task Two