2014高中英语 Unit 1 great scientist warming and reading课件 新人教版必修5
2014高中英语 Unit 1 great scientist warming and reading课件 新人教版必修5第4页

1.Which scientist discovered that objects in water are lifted up by a force that helps them float?

B. Archimedes

C. Thomas Edison

A. Charles Darwin

mathematician

“Give me a place to stand and I will move the world.”