单选题：Scienceandtechnologyhave（　　）inimportantwaystotheimprovemento

  • 题目分类：英语四级
  • 题目类型：单选题
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题目内容：
Scienceandtechnologyhave（　　）inimportantwaystotheimprovementofagriculturalproduction. A．attached
B．assisted
C．contributed
D．witnessed
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桩基工程施工中，由于施工单位不慎，使工地边的水管爆裂，业主和承包单位积极进行了抢修，担是还是造成15万元的直接损失和5万

桩基工程施工中，由于施工单位不慎，使工地边的水管爆裂，业主和承包单位积极进行了抢修，担是还是造成15万元的直接损失和5万元的工期索赔损失。作为投保人，业主向保险

分类：英语四级  题型：单选题
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