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外研2003课标版《Reading and vocabulary》新课标PPT课件优质课下载
To describe the following items in English:
DNA
cloning
clone
To explain reasons in a proper way.
3 To learn some words and expressions by heart.
Brainstorm
cloning
DNA
sequence
procedure
insert
genetic(s)
embryo
enzyme
tissue
saliva
stem cell
gene
organism
Skimming
Part 1: Para. ___to ____
Part 2: Para. ___
Part 3: Para. ___ to ____
Divide the passage into three parts and find out the main idea of each part.