Period One Warming up Solar energy Which one do you think is the most important? Why ?• Electricity • Cars • Aeroplanes• Radio and television• The Internet• Cloning • The Theory of Gravity• Nuclear science• Solar energy Clone :Advantages : can help some women have babies;can help medical researchDisadvantages : not natural to make peopledangerous; people use it to do strange things computer :Advantages : Easier to keep and use information betterMake communication fasterDisadvantages : Unsafe because of virusesDifficult to control when sth. goes wrong Space flights :Advantages : Makes research outer space possiblePut communication satellites in spaceDisadvantages : Expensive and dangerousIf sth. goes wrong it is difficult to help and rescue people Do these achievements have anything in common ? If so, what ?• They have a great effect on people’s life. • They change the lifestyle and make the human society move on and become more comfortable. Neil Armstrong Alexander Graham Bell Ray Tomlinson Listen to Part 1 and complete the chart below• Can you explain Tomlinson’s message? __________________________________________WordsSpeaker Achievement“That’s one small step for a man , one giant leap for mankindNeil Armstrong“Mr Watson, ______________; I want you.”Alexander Graham Bell“QWERTYUIOP”Ray TomlinsonThe first man who set foot on the mooncome hereThe first telephoneSend the first e-mail messageIt was meaningless and just some timeless letters 2. Listen to part 2 and complete the sentences below.1. The words “__________________” are famous because they are the ___________ of The Constitution of the United States of America.2. “Eureka” is a word from the ______ language and means ________________3...
