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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】What is sports violence The distinction between unacceptable viciousness and a game’’s normal rough-and-tumble (混战) is impossible to make, or so the argument .runs. This position may appeal to our inc...
A.
impossible to make
B.
not very clear in any circumstances
C.
too obvious to escape observation
D.
not very difficult to make if enough attention is paid to