单项选择题

The dolphin leapt up into the air because Sagan was too near the water.

A． Right
B． Wrong
C． Not mentioned
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单项选择题
It is no use debating the relative merits of this policy.
A．making
B．taking
C．discussing
D．expecting
单项选择题
However bad the situation is, the majority is unwilling to risk change.
A．reluctant
B．eager
C．pleased
D．angry
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