单项选择题

A．A popular TV program.
B．A breakthrough in technology.
C．A decent purchase.
D．A new electronics store.
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单项选择题
In the United States influenza is one of the ten principle causes of death.
A．Y
B．N
C．NG
单项选择题
The author’’s primary purpose in this passage is to suggest people receive flu vaccines.
A．Y
B．N
C．NG
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