单项选择题

Compared with other music players, the iPod______.

A．has been beaten by cheaper knockoffs
B．adopts next generation music compression format
C．concentrates on people's music listening habits and tastes
D．is a portable and convenient library for today's people
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单项选择题
What is said about the Agricultural Adjustment Act in the passage
A．It was supported by Congress rather than the Supreme Court.
B．It was supported by Congress plus the Supreme Court.
C．It was based on the principle of indirect interference with supply and demand.
D．It was based on the principle of soil conservation.
单项选择题
According to the passage, American farmers______.
A．knew their business better than anyone else
B．usually cared more about their short-term interest
C．readily adopted better agricultural techniques
D．realized the values of better land use by themselves
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