单项选择题

The spokes in a bicycle wheel are arranged in a ______ pattern.

A．radial
B．radical
C．spherical
D．spiral
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单项选择题
The doctor said, I'm going to ______ a course of treatment for you.
A．dispose
B．hypothesize
C．manipulate
D．prescribe
单项选择题
A diet of ______ food is served to every hospital patient.
A．filthy
B．clinical
C．nourishing
D．stuffy
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