What did they invent?

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he idea of cloning in 1997.
P2:. . .
6. What inventions had been made by the end of the 19- 20th century?
(Presentation, slides 23-25)
1. . . . . . . . . . . . . . . . . . . . . had been invented by the end of the 19th century.
2. . . . . . . . . . . . . . . . . . . . . . . had been pioneered by the end of the 19th century.
3. . . . . . . . . . . . . . . . . . . . . . had been patented by the end of the 20th century.
4. . . . . . . . . . . . . . . . . . . . . . . had been produced by the end of the 19th century.
5. . . . . . . . . . . . . . . . . . . . . . . had been designed by the end of the 20th century.
6. . . . . . . . . . . . . . . . . . . . . . had been tested by the end of the 20th century.
7. Conclusion.
T: People have invented a lot of useful things to make their life more comfortable. Almost every day a new technique or product appears in the world. But we always need something more useful, more effective and more comfortable. If you could invent anything you like, what would it be? What do you know about such inventions?
8. Homework. Project. "What Would You Like To Invent?" If you could to invent anything you like what would it be?
T: Thank you. The lesson is over. You may be free. Good bye.




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