单项选择题

You should have your eyes tested every year in case the ______ of your spectacles need changing.

A. lenses
B. glasses
C. sights
D. crystals
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单项选择题
In no country ______ Britain, it has been said, can one experience four seasons in the course of a single day.
A. other than
B. more than
C. better than
D. rather than
单项选择题
We work to make money, but it's a ______ that people who work hard and long often do not make the most money.
A. dilemma
B. conflict
C. prejudice
D. paradox
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