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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】He looks thin, but he is _____ than before. [ ]
A.
thinner
B.
more thin
C.
more strong
D.
stronger
【单选题】How often are the Nobel prizes awarded?
A.
Five times a year.
B.
Once a year.
C.
Twice a year.
D.
Once every two years.