单项选择题

Although most birds have only a negligible sense of smell, they have ________ vision.

A．vigorous
B．exact
C．acute
D．vivid
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单项选择题
Of the thousands of known volcanoes in the world, the ________ majority are inactive.
A．tremendous
B．demanding
C．intensive
D．overwhelming
单项选择题
Of all the soldiers they had the ________ of being the fiercest, the most patriotic, the toughtest.
A．recognition
B．reservation
C．recreation
D．reputation
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