单选题:称量准确值为2.5kg的甲物和25kg的乙物的质量,所得的实际值分别为2.55kg和25.05kg,其误差均为0.05k 题目分类:质量专业综合知识 题目类型:单选题 查看权限:VIP 题目内容: 称量准确值为2.5kg的甲物和25kg的乙物的质量,所得的实际值分别为2.55kg和25.05kg,其误差均为0.05kg。那么有结论( )。 参考答案: 答案解析:
Some children have never seen a dentist before starting scho Some children have never seen a dentist before starting school. 分类:质量专业综合知识 题型:单选题 查看答案
Boys miss more school hours each year due to dental,―related Boys miss more school hours each year due to dental,―related illness. 分类:质量专业综合知识 题型:单选题 查看答案