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师梦圆高中英语教材同步北师大版必修5Lesson 4 Understanding下载详情
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《Lesson 4 Understanding》PPT课件优质课下载

Dream a dream? Can you acquire knowledge ?

1.Using the Internet.

2.Discussing topics with friends.

3.Having a clear visual explanation.

4.Thinking about related things.

Answers from my friends:

asking questions

Answers from teachers:

thinking

reading

observing

studying facts

doing experiments

“Who questions much, shall learn much, and remember much.”

Francis Bacon(1561-1626)

Q: How can we acquire knowledge and understanding ?

From persons in history

Galileo Galilei (1564-1642)

In the 17th century, people believed in religion.

G.G. invented the first telescope in the world to observe the universe and proved that “the earth is not the center of the universe.”

“All truths are easy to understand

once they are discovered;

the point is

to discover them.”

But it was against views from Aristotle and he was put into prison.