Book5 Unit1Great scientists Archimedes, Ancient Greek (287-212 BC), a mathematician.Charles Darwin, Britain (1808-1882).The name of the book is Origin of Species. Thomas Savery (1650-1715) was an English military engineer and inventor. Thomas Newcomen (1663-1729) was an English blacksmith, who inven...

时间:2024-11-20 19:14栏目:中学教育