| {{B}}
Supermarket’s New
Strategy{{/B}} One supermarket in Tokyo has managed to solve the problems of shoplifting, mistakes by cashiers, and long lines of customers waiting at the cash registers. It is Japan’s advanced computer technology that has come{{U}} (51) {{/U}}with the answers. Shoppers at an OK supermarket on the outskirts of the city now push a cart{{U}} (52) {{/U}}a plastic card chained to it and buy from glass cases where the goods are on display. The plastic card has a magnetic number imprinted on it. Each customer carries his or her own card, which is{{U}} (53) {{/U}}at the exit. While shopping, the customer pushes the card into a slot beside whichever items are wanted and pushes a button or two. The glass covered vending machines are A. for instance B. still C. later D. however [简答题]客车使用人力制动机的注意事项
[判断题]保证安全的技术措施有停电、验电、装设接地线。
A.正确 B.错误 [多选题][多选]火灾直接财产损失是指()所造成的损失。
A.烧毁 B.烧损 C.烟熏 D.破拆、水渍 E.污染 [判断题]医疗机构停业，必须经登记机关批准。除改建、扩建、迁建原因，医疗机构停业不得超过二年。（）
[单选题]城市电网的安全、可靠、稳定运行对提高供电系统用户（）有着非常重要意义
A.供电质量 B.供电可靠性 C.供电电压 [判断题]各级政府领导传染病防治工作,由卫生行政部门制定传染病防治规划,并组织实施。( )
A.正确 B.错误 [简答题]哪些煤层不得使用综合机械化放顶煤采煤？
[简答题]简述水体的哪些物理化学性质与水的温度有关。
[填空题]
我来回答: 提交
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