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选修7《Lesson 3 Scientific Breakthroughs》PPT课件优质课下载
Future
Lesson one
Lesson two
Future
Future
Why does Lesson 3 talk about the past instead of the future?
We divide the passage into ______ parts.
Part one:
Part two:
Part three:
para.1
para.2-8
par.9
5 pioneers of science in the 20th century
The conclusion of their contributions
Brief Introduction of
discoveries in the 20th century
Fast-reading
3
Part one:
1.Why does the author say “If you had to choose the single most important discovery of the 20th century, you would have a real dilemma on your hands.”?
Because uncountable amazing discoveries were made in all sorts of field in the 20th century.
Careful-reading
Amazing discoveries were made in______
medicine