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．Have to buy a special electronic ticket.B．Have to travel a long way to visit the university.C．Need art expensive device designed especially for the museum.D．Need a computer linked to a telephon
A．Have to buy a special electronic ticket.
B．Have to travel a long way to visit the university.
C．Need art expensive device designed especially for the museum.
D．Need a computer linked to a telephon
单项选择题
A．4 yearsB．5 yearsC．8 yearsD．at least 9 years
A．4 years
B．5 years
C．8 years
D．at least 9 years
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