高二英语人教新课标选修PPT课件.pptx

文档介绍：霸王龙 tyrannosaurus
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剑龙stegosaurus
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雷龙 brontosaurus
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翼龙pterodactyl
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What’s the main idea of the text?
Para1 explain the impossibility of cloning dinosaurs
Para2 conclude that it’s just a dream
Para3 introduce the topic of the passage
Reading Comprehension I
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What is the writer’s attitude towards
cloning the dinosaurs?
A. Supportive.
B. Neutral (中立的).
C. Negative (否定的).
D. Subjective(主观的).
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Why is it either impossible or unsuitable to clone dinosaurs.? (Give some reasons .)
Reason 1:
Reason 2:
Reason 3:
DNA
Diversity
Habitat
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Scientists are still experimenting with cloning mammals because they think it can make money.
If we can clone any extinct animals, we should let them live in a zoo.
Reading Comprehension Ⅱ
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