单项选择题

There are two great belts or______ where ninety percent of all earthquakes take place; they may, however, happen anywhere at any time.

A．regions
B．areas
C．zones
D．districts
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单项选择题
They talked about their business______ a cup of tea.
A．with
B．for
C．at
D．over
单项选择题
Millions of farmers, drawn by the ______ of employment, came into the city which made the problems of transportation and housing even more serious.
A．prosperity
B．prospect
C．expectation
D．anticipation
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