新倮标人教版课件系列 《高中英语》 必修5-18
新课标人教版课件系列 《高中英语》 必修5-1.8
Unit 1 Great scientists
Unit 1 Great scientists
1. Which scientist discovered that objects in water are lifted up by a force that helps them float? A. Charles Darwin.Archimedes C. Thomas Edison
1.Which scientist discovered that objects in water are lifted up by a force that helps them float? A. Charles Darwin B. Archimedes C. Thomas Edison
2. Who wrote a book explaining how animals and plants developed as the environment changed? Gregor Mendel A Marie Curie B Gregor Mendel. Charles Darwin
2. Who wrote a book explaining how animals and plants developed as the environment changed? A. Marie Curie B. Gregor Mendel C. Charles Darwin
3. Who invent the first steam engine? Thomas Newcomen B. Archimedes C. Thomas Edison
3.Who invent the first steam engine? A. Thomas Newcomen B. Archimedes C. Thomas Edison