【正文】
Unit 1 Great Scientists Archimedes 阿基米德 Charles Darwin 達(dá)爾文 Thomas Newen 紐可門 Marie Curie 居里夫人 Gregor Mendel 門德爾 Leonardo da Vinci 達(dá)芬奇 Humphry Davy 漢弗萊 戴維 Stephen Hawking 斯帝芬 霍金 Thomas Edison scientist discovered that objects in water are lifted up by a force that helps them float? B. Archimedes C. Thomas Edison A. Charles Darwin 2. Who wrote a book explaining how animals and plants developed as the environment changed? A. Marie Curie C. Charles Darwin B. Gregor Mendel invented the first steam engine? A. Thomas Newen C. Thomas Edison B. Archimedes 4. Who used peas to show how physical characteristics are passed from parents to their children. A. Thomas Edison C. Archimedes B. Gregor Mendel 5. Who discovered radium? A. Marie Curie C. Newton B. Zhang Heng invented the way of giving electricity to everybody in large cities? A. Stephen Hawking C. Thomas Edison B. Archimedes was the painter that studied dead bodies to improve his painting of people? A. Gregor Mendel C. Marie Curie B. Leonardo da Vinci 8. Who invented a lamp to keep miners safe underground? A.