17
A. On January first.
B. The first day of March.
C. On Spring Festival.
D. At the end of summer.
18
A. People made noise in ancient times to drive away the evil spirits from the home.
B. People made noise to welcome evil spirits.
C. People made noise to drive away sadness.
D. People made noise to be happier on New Year' s Day.
Question 19-21 are based on the passage you have just heard.
A. Most of the early diamond miners became wealthy later.
B. Diamonds couldn't be formed without great heat and pressure of the volcano.
C. The earliest known diamonds were discovered in the River Amazon.
D. Explosions of the volcano can damage diamonds as well.
20
A. Under the river bed.
B. On the floor of the sea.
C. In the volcanoes.
D. At the foot of the mountains.
21
A. Diamond Hunting.
B. Diamond—A Precious Stone.
C. Diamond—Symbol of Fortune.
D. How Is Diamond Formed and Found?
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