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人教2003课标版《Warming up、Pre-reading、Reading、Comprehending》新课标PPT课件优质课下载
Pre-reading
How is Dolly created?
Pre-reading
Female sheep A provides an egg cell.
The nucleus is removed from the egg cell.
The egg cell is ready for a new nucleus.
Female sheep B provides a somatic cell
The nucleus is taken out of the somatic cell.
The nucleus and the egg cell are joined
The cell divides and grows into an embryo.
The embryo is put into female sheep C.
Dolly the sheep is created.
Reading
Cloning:
______ The birth and death of Dolly. ______Scientists are confused about the future of clone. ______ What is the cloning.
______Controversy brought by Dolly . ______ Two major uses of cloning.
2
3
1
4
5
Fast-reading
main idea of each paragraph
1.The main idea of the text is____
A. animal cloning is very valuable and can benefit the world.