1.[] Recently a number of cases have been reported of young children iterate a violent act previously seen on television.A.modifying B.duplicating C.accelerating D.stimulatingABCD
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参考答案:B
参考解析:duplicate有“复制”之意,如:duplicate a document(复印文件)。它还可表示“重复”,如:duplicate a tragedy(重演悲剧0 modify意为“修改”,如:modify a law(policy,program),表示“修改法律(政策、计划)”。accelerate“使加速”;stimulate意为“刺激”。