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【单选题】
Many people have a surprising devotion to the activities they do “just for fun.”
A.
commitment
B.
reaction
C.
response
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
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A.
energy
B.
movement
C.
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A.
increase
B.
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C.
maintain
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A.
complicated
B.
effective
C.
simple
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A.
happened to
B.
occurred to
C.
was shown to
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A.
considered
B.
criticized
C.
enjoyed
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A.
developing
B.
fast
C.
large
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A.
guessed
B.
measured
C.
predicted