单项选择题

A．Mating habits of squid and octopus.
B．The evolution of certain form of sea life.
C．The study of marine shells.
D．Survival skills of sea creatures.
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单项选择题
A．To choose a topic for a term paper.B．To type some research materials.C．To find material not available at the main library.D．To learn to use the computers there.
A．To choose a topic for a term paper.
B．To type some research materials.
C．To find material not available at the main library.
D．To learn to use the computers there.
单项选择题
The word logged (Line 4, Para. 5) most probably means ______ .
A．preset
B．entered
C．processed
D．simulated
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