单项选择题

A．17000
B．1700
C．70000
D．7000
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单项选择题
A．She was fond of singing.B．She lived in a small house.C．She was a shy person.D．She was not conscious of her weakness.
A．She was fond of singing.
B．She lived in a small house.
C．She was a shy person.
D．She was not conscious of her weakness.
单项选择题
Because cellphones are quick to deploy and cheap to establish, they have spread rapidly throughout the world.
A．Y
B．N
C．NG
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