单项选择题

One proposal______ that an observatory built on the other side of the moon will be good for astronomic observation, as there is no atmosphere around the moon.

A．originates
B．speculates
C．pleas
D．illuminates
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单项选择题
The______ of the scientific attitude is that the human mind can succeed in understanding the universe.
A．essence
B．contention
C．texture
D．threshold
单项选择题
A______ policy would lead this country into the tragedy in which some die from war, and some become homeless.
A．modest
B．migrate
C．militant
D．misery
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