2018--2019学年人教版必修五Unit 1 great scientists Reading课件(40张)
2018--2019学年人教版必修五Unit 1 great scientists Reading课件(40张)第3页

Alexander Bell electricity Thomas Edison the First telephone Laite Brothers the electric Lamp Madame Curie black holes in Universe Franklin Theory of Gravity Steven Hawking the First Plane Elbert Einstein Radium Isaac Newton the Theory of Relativity