单项选择题

Why were early radio broadcasts heard by such a small audience

A．Few people owned the necessary equipment.
B．The music selection was not very popular.
C．Few ships came into New York harbor.
D．The radio signal was too weak to reach a mass audience.
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单项选择题
What topic are the man and woman discussing
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.
单项选择题
What prevents the man from taking the poets of the 1960s class
A．It’s only open to poetry majors,
B．It requires another class first.
C．It’s already full.
D．It’s only offered in the morning.
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