单项选择题

A．Mating habits of squid and octopus.
B．The evolution of certain forms 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．Classmates.B．Colleagues.C．Boss and secretary.D．PR representative and client.
A．Classmates.
B．Colleagues.
C．Boss and secretary.
D．PR representative and client.
单项选择题
A．To remind him of the data he should take to the conference.B．To see if be is ready for the coming conference.C．To tell him something about the conference.D．To help him prepare for the conference.
A．To remind him of the data he should take to the conference.
B．To see if be is ready for the coming conference.
C．To tell him something about the conference.
D．To help him prepare for the conference.
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