Unit 12 Innovation Lesson 1 Scientific Breakthroughs--高中英语北师大版(2019)选择性必修第四册.pptx
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Unit 12 Innovation Lesson 1 Scientific Breakthroughs--高中英语北师大版(2019)选择性必修第四册.pptx
Tina YoungPARTPARTTWOPARTTHREEPART 02PARTONE1928190519461990a.a lucky accidentb.team workc.different scientists hard workd.inspiration adbcPARTONEIt showed how a small piece of mass could produce an unbelievable amount of energyPenicillin was being mass-produced and helping to save the lives of millions.improve the accuracy and speedcomputers all over the world could communicate with each other.PARTONEtransitionIt serves as a conntection link between the preceding and the following.PARTONEQualityThinkingWhat should we learn from the pioneers?Thanks for watching