Scientificachievements3高二英语课件
日期:2010-07-18 07:11
Unit 11Scientific AchievementsWarming upThese are somegreatscientific achievements that have changed the world Which one do you think is the most important ? Why?
Electricity
The internet
Cloning
Aeroplanes
The Theory of Gravity
Nuclear science
Solar energy
…2 Do these achieveme,
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