【正文】
Warming upamp。 Reading Book 5,Unit 1 What do they have in mon? They are scientists Unit 1 Great Scientists What do you know about them ? Let’s have a petition! Warm up scientist discovered that objects in water are lifted up by a force that helps them float? B. Archimedes C. Thomas Edison A. Charles Darwin Archimedes “Give me a place to stand on, and I can move the earth.” “給我一個(gè)支點(diǎn),我就可以翹起整個(gè)地球 .” 2. Who wrote a book explaining how animals and plants developed as the environment changed? A. Marie Curie C. Charles Darwin B. Gregor Mendel Charles Darwin . Origin of Species 《 物種起源 》 invent 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