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题目内容
（河南大学-本科英语）
4[单选题,1.3分] Although each TV series will be rated on the basis of its usual content, the ratings can _____ from week to week.
A.flow
B.fluctuate
C.finite
D.flushing
A.flow
B.fluctuate
C.finite
D.flushing
参考答案