问题
判断题
有一精度为1.0级的压力表，其量程为-0.1—1.6MPa，则其允许误差为[1.6-(-0.1)]×1%=1.7×1%=0.017MPa。
答案
参考答案：对
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有一精度为1.0级的压力表，其量程为-0.1—1.6MPa，则其允许误差为[1.6-(-0.1)]×1%=1.7×1%=0.017MPa。
参考答案：对
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| Shopkeeper: Hello, 1_____. Millie: Hello, I'd like to buy a sweater for my mother. Tomorrow is her birthday. Shopkeeper: Oh, What colour does she like? Millie: She likes white. 2_____.but it's old, so I want to buy her a new one. Shopkeeper: What about this one? Millie: 3_____. My mother isn't very tall. Shopkeeper: How about that one? Millie: Yes, it's short and it's nice. 4_____. Shopkeeper: It's ￥100. Millie: Oh, 5_____. Shopkeeper: No, it's cheap. It's made of silk, and it's comfortable. Millie: OK, I'll buy it.
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