人教新课标必修人教新课标必修8 Warming up and Reading IWarming up:In groups, discuss the inventions you know and then make a list.Warming up-I (4m)Do you know what these inventions are and when did they happen?Telephone 1876television 1923 colour television 1940photocopier 1937air conditioner 1902electronic digital computer 1942Atomic bomb 1945Credit cards 1950Penicillin 1928Among the inventions above, which invention do you think is the most important one? Why?Warming up II (2m)