内容正文:
To understand the main idea of each paragraph To explain the value of science To learn to write a summary of the lecture To learn to understand long sentences in the passage To learn to use the key words and expressions properly Scientists who changed the world Unit 4 2 Lead-in 3 Lead-in Is there some evil involved in science ? What’s the value of the science ? 4 Unit 4 Extended reading 5 Richard Phillips Feynman Born: 11 May 1918, New York, USA Died: 15 February 1988, won the Nobel Prize in Physics 1965 美籍犹太裔物理学家,加州理工学院物理学教授,在量子电动力学(quantum)领域作出了巨大贡献。他被认为是爱因斯坦之后最睿智的理论物理学家,也是第一位提出纳米概念的人。