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单项选择题

A．Some sea creatures developed backbones.
B．The first giant squid was captured.
C．Some sea creatures shed their shells.
D．Sea life became more intelligent.
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单项选择题A．Gourmet coffee is less expensive.B．Regular brands of coffee have too much caffeine.C．Gourmet coffee tastes better.D．Gourmet coffee is grown in the United States.

A．Gourmet coffee is less expensive.
B．Regular brands of coffee have too much caffeine.
C．Gourmet coffee tastes better.
D．Gourmet coffee is grown in the United States.

单项选择题A．It is quite general.B．Most of the information he needs will be found in newspapers,C．She thinks he should change it.D．It should take a very short time to find material on it.

A．It is quite general.
B．Most of the information he needs will be found in newspapers,
C．She thinks he should change it.
D．It should take a very short time to find material on it.