单项选择题

When a body is ______ in a fluid it apparently loses weight.

A．displaced
B．indulged
C．dispersed
D．immersed
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单项选择题
The president of the country ______ him to be the Secretary of State.
A．elected
B．nominated
C．voted
D．notified
单项选择题
According to the passage, the more new goods, ______.
A．the less pollution we have
B．the harder pollution can be done away with
C．the more pollution there will be
D．the higher our living standard will be
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