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      Twentieth Century Inventions
●●●1903-The first flight succeeded.                                        


       In 1900, Wilbur Wright said flight was possible for man. After much work he and his brother
Orville Wright made this dream come true.
       On December 17, 1903, the brothers made the first successful airplane flight on a windy beach
at Kitty Hawk, North Carolina. The brothers’ plane flew 120 feet. Although the flight lasted only
12 seconds, it moved the course of history in a new direction. 
●●●1935-Nylon was invented. 
                                          
       In 1928, a new chemical lab was opened to make a kind of man-made materials. Wallace Carothers
took part in the team when he was 32 years old.
       In 1934, he made fibers (纖維), but the fibers were quite weak. He didn’t give up. After many
experiments, he produced the long and strong fibers in 1935. They named the fibers "nylon".
Carothers was very satisfied with his work.
       Nylon hit the markets in 1939, and quickly became a replacement of silk. But it was a pity that he
didn’t see the wide use of his invention. He died in April, 1937.
●●●1968-The computer mouse was first shown in public. 
                                            

       As a graduate student, Douglas Engelbart began to imagine ways in which all sorts of information
could be on screens.   
       In 1964, Douglas Engelbart made the first computermouse. The computer mouse had a wooden
shell with two metal wheels.   
       In 1968, the first computer mouse appeared in public. It was named "mouse" because a tail came
out at the end. In later years, the computer mouse became more and more important.   
       Douglas Engelbart changed the way that computers worked.   
       Now computer mice are becoming increasingly useful. And there are many different shapes of
computer mice in the world.                                          
根據(jù)文章內(nèi)容，完成下列表格。
1. ___________ Invention Time Influence
Wilbur Wright and his brother airplane 1903 2.________________________________
Wallace Carothers nylon 1935 3. ________________________________
Douglas Engelbart 4. ___________ 1964 5. ________________________________
1. Inventor(s)  
2. It /The airplane/ The flight/ The invention/ The two brothers moved the course of history in a new
direction.
3. It /Nylon/ The invention/ The fibers/ became a replacement of silk. / It took the place of/ replaced
silk.
4. computer mouse
5. It /The computer mouse/ The invention/ Douglas Engelbart changed the way that computers
worked.
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