高一英语Unit16Scientistsatwork课件
日期：2010-06-04 06:12
16
science
physics
chemistry
biology
power
force
gravity
electricity
gas
solid
liquid
living things
cell
germ
change
flame
Pre-reading
Look at the pictures Who are they? Are they famous? What are they famous for?
Archimedes
Darwin
Curie
Newton
Ar，
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