2020高考英语复习Warming Up, Pre-reading and Reading

unit 1 great scientists
warming up, pre-reading and reading
1．teaching aims
①get ss to improve their reading abilities.
②let ss know the topic “great scientists”
③know some important phrases occurring in this reading
2．teaching procedures
step 1 lead in
check ss’ knowledge about some scientists and their discoveries.
①who discovered that objects in water are lifted up by a force that helps them float?
archimedes
②who wrote a book explaining how animals and plants developed as the environment changed?
charles darwin
③who invented the first steam engine?
thomas newcomen
④who used peas to show how physical characteristics are passed form parents to their children?  
gregor mendel
⑤who discovered radium?
maries curie
⑥who invented the way of giving electricity to everybody in large cities?
thomas