----Without credit cards, people would have to carry a large sum of cash to buy a car.
人教课标版高中英语选修8Unit3Warmi ng Up and Pre-reading(共22张PPT)
人教课标版高中英语选修8Unit3Warmi ng Up and Pre-reading(共22张PPT)
人教课标版高中英语选修8Unit3Warmi ng Up and Pre-reading(共22张PPT)
•
A discovery is ____B______.
• An invention is ___A______.
A. making or designing something that did not exist before.
人教课标版高中英语选修8Unit3Warmi ng Up and Pre-reading(共22张PPT)
人教课标版高中英语选修8Unit3Warmi ng Up and Pre-reading(共22张PPT)
The suitable order:
Finding a problem Doing research
人教课标版高中英语选修8Unit3Warmi ng Up and Pre-reading(共22张PPT)
人教课标版高中英语选修8Unit3Warmi ng Up and Pre-reading(共22张PPT)
To be Nobel--a great inventor
Alfred Bernhard Nobel (1833—1896) was a Swedish chemist and the inventor of dynamite (炸药). In his last will, he used his enormous fortune to institute the Nobel Prizes. Since 1901, 881 individuals(个人) and 23 organizations have won the Nobel Prizes.