Page 233 - English Class 9
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but did not solve the stability problem.
This Flyer was the world's first practical airplane. During more than 40
flights at Huffman Prairie, the machine was repeatedly banked, turned,
circled, and flown in figure eights. On two occasions the flight exceeded
half an hour. Wilbur and Orville Wright, brilliant self-trained engineers,
had overcome complex technical problems that had barred the way to
mechanical flight for centuries. Think about how their invention has
changed our world.
A. The meanings of the words are given below. Find the words from
the text above.
a. a……. equipment that are useful but not essential
b. d……. an action of going down
c. a…….. connected with the science or practice of building and
flying aircraft
d. s……. fixed in a place or position, supported or balanced;
constant
e. e……. a scientific procedure undertaken to make a discovery
f. p…… to cause pain or trouble to somebody over a period
of time
B. Match the following words with the appropriate pictures. (Write a,
b, c or d below the picture.)
a. propeller b. spokes c. elevator d. buzzard
...................... ...................... ...................... ......................
C. State whether the following statements are true or false.
a. The Wright brothers sold copies of toy helicopters at the market.
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