单项选择题

For some obscure reason,the simple game is becoming very popular.

A. obvious
B. major
C. unclear
D. minor
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单项选择题
The study also notes a steady decline in the number of college students taking science courses.
A. relative
B. general
C. continuous
D. sharp
单项选择题
It is possible to approach the problem in a different way.
A. handle
B. raise
C. pose
D. experience
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