1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
北师大2003课标版《Lesson 4 Understanding》优质课PPT课件下载
history
biology
science
Wonderful
How much do you know about them?
Pre-reading
b. the Earth is not the centre of the universe and the earth moved round the sun in a perfect circle
c. the Earth must be the centre of the universe
a. Who questions much， shall learn much，and remember much.
“Who questions much, shall learn much, and remember much.”
“问得多，学得多，
记得多。”
—Francis Bacon(1561-1626)
“Knowledge is power.”
Galileo Galilei (1564-1642)
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.”
Q2:But why did people put Galileo in prison at that time?
What else does the writer advise us to do to understand things ？
He advises us to understand things by
observing____________________________;
studying__________________;
considering_______________________;
testing______________________________.
the world around you