单项选择题

Light levels are carefully controlled to fall within an acceptable level for ______ reading convenience.

A．intentional
B．ideal
C．obligatory
D．standard
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单项选择题
He was easily hurt because his feelings were very ______.
A．sensible
B．sensational
C．sensitive
D．senseless
单项选择题
Eight badminton players were charged with trying to ______ the outcome of preliminary matches.
A．dominate
B．manipulate
C．eliminate
D．simulate
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