新课标人教版课件系列高中英语选修( 模块）8-3.6Unit 3Unit 3 What are the important inventions of the 20th century? Which do you think is the most important one?Year Invention Inventor (s)1902Air condition Willis Carrie 1903Gas-motored and manned planeWright brothers1910The first talking filmThomas Edison1923Television Logie Baird1928 Penicillin Alexander Fleming 1937 photocopierChester F Carlson1940 Color television Peter Goldmark1942Electronic digital computerAmerican scientists 1945 Atomic bomb American scientists
