23.Medicalaccidents_____bydrug-查字典问答网
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  23.Medicalaccidents_____bydrugshaveattractedmuchattentioninthatcountry.A.causingB.tobecausedC.becausedD.caused

  23.Medicalaccidents_____bydrugshaveattractedmuchattentioninthatcountry.

  A.causingB.tobecausedC.becausedD.caused

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2020-08-1222:54
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饶妮妮

  caused在这里是过去分词,充当定语,相当于which/thatwascaused;

  becaused是动词原形,动词原形通常不做定语;

  句子意思:由药物引起的医疗事故在那个国家已经引起了极大的关注.

2020-08-12 22:57:21
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