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PASSAGE 2 (answer 15-17)
Questions 15 to 17 are based on the passage you have just heard.
15.A)It had one propeller.
B)It was made of aluminum.
C)It had a double rudder.
D)It was made of light-weight tin.
16.A)They worked on it for fifteen years before launching it.
B)They built an underground tunnel.
C)They practiced with gliders.
D)They started out with a balloon.
17.A)Nothing for ten years.
B)Everyone was immediately enthusiastic.
C)The army bought its first plane during World War I.
D)They established plants abroad.
PASSAGE 3 (answer 18-20)
Questions 18 to 20 are based on the passage you have just heard.
18.A)At a telephone laboratory.
B)At the library.
C)On Martha's Vineyard.
D)In a lecture hall.
19.A)They inherited deafness.
B)An epidemic struck the island.
C)The climate caused hearing loss.
D)It was an unlucky place.
20.A)The patterns of marriage have changed.
B)Many deaf people have regained their hearing.
C) Most of the original population has left the island.
D)The island has become famous for its research facilities.
