单项选择题

A．The use of high technology.
B．Being held in a big city in the U. $. A..
C．Earning a lot of money by advertising the goods.
D．Training all the athletes who were to participate in the game by using computers.
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单项选择题
A．Jazz.B．Classical.C．New age.D．Country western.
A．Jazz.
B．Classical.
C．New age.
D．Country western.
单项选择题
A．The silk covering made by an insect.B．The silk covering made by a silkworm.C．The soft protective covering made by an animal.D．The hard protective covering made by an animal.
A．The silk covering made by an insect.
B．The silk covering made by a silkworm.
C．The soft protective covering made by an animal.
D．The hard protective covering made by an animal.
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