When our university laboratory bought this microscope we were given a one year’s

游客2024-10-29  1

问题 When our university laboratory bought this microscope we were given a one year’s _______.

选项 A、reservation
B、security
C、proof
D、guarantee

答案 D

解析 根据句子意思,选择D为正确答案。One year’s guarantee:一年保修期
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