Industrial managers employ specialists to keep machines working properly and to ______ the supply of spare parts.

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问题 Industrial managers employ specialists to keep machines working properly and to ______ the supply of spare parts.

选项 A、ensure
B、promise
C、guarantee
D、assure

答案A

解析 ensure保证,让人觉得安全可靠,有保障;promise与assure相似,让人踏实放心,但不承担责任和义务;guarantee担保,保证,表示对某一产品或服务承担责任和义务;assure郑重宣告,使人确信。
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本试题收录于: 英语题库普高专升本分类
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