Unit16 Scientists at work Period2 Reading (1)Q: Do you know the names of some famous scientists? What are they famous for?He discovered why all things fall down to earth.GravityCharles Darwin (1809-1882)Dead-leaf mimic katydidEvolutionPoRaRadioactivityMadam Curie (1867-1934)Benjamin Franklin 1706 ~~...

时间:2024-11-21 05:34栏目:中学教育