Unit 9: Technology in America

Guide

Hello, everyone! I'm He Minzhi. Good to be with you again. In this unit we are going to study technology in America. Yes, this is a very exciting subject. As you probably know, the United States of America not only has a powerful economy, but also is at the cutting-edge of science and technological development. As an indicator, of all Nobel Prize winners (including literature and peace prize) by nationality, 61% are American citizens. If we count only those in science and economics, this could come to 85%. What are some of the landmark technological development in the past few centuries of the nation's history? Who are some of these bright scientists and inventors who made significant contribution to science and technology in the United States? Let's go and take a look! Again, before that, here are some questions that you may want to try:

1. Who invented the telephone?
　(a) Abraham Lincoln.
　(b) Alexander Bell.
　(c) Thomas Edison.
　　　Answer:

2.	Who is the famous American inventor who invented the phonograph and the electric light?
	(a) Thomas Edison. (b) John F Kennedy. (c) Bill Gates. 　　Answer:

3.	Which automobile brand was the first to use assembly line in auto manufacturing?
	(a) Ford. (b) Chrystler. (c) Lincoln. 　　Answer:

4.	The Stevens family was known for their contribution to which of the following?
	(a) Airplane. (b) Steamboats. (c) Cotton gin. 　　Answer:

5. Who devised the Desk Operating System?
　(a) Thomas Watson.
　(b) Steve Jobs.
　(c) Bill Gates.
　　　Answer:

Technology