更多“● （34）不属于以太网交换机的交换方式。 （34）A. 分”相关的问题
防火路的宽度以不小于树木高度的一倍为宜。
A . 正确
B . 错误
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报销人应取得合法合规的原始票据。票据内容应与实际业务相符，允许涂改。发票抬头信息应正确无误，加盖发票专用章且清晰可见。
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根据短文回答 41～45 题。 Supermarket Most supermarkets need a very large floor area, sometimes at least ten times as big as that of an ordinary shop there are usually two doors, one as an entrance and the other as an exit the rest of the side facing the street is largely of plate glass, with goods or advertising martial displayed The other three walls are normally decorated in light colours, giving an impression of cleanliness (清洁) and brightness Most supermarkets are on one floor only, goods being stored in rooms at the back or upstairsAt right-angles to the window stretch long structures about six feet high with a number of shelves on each side Similar shelf units or frozen food containers extend round the walls Broad aisles between the shelf units and ample (足够的) space between them and the window and also the far wall allow room for the circulation of many people Individual commodities (商品), in tins, bags, boxes or other containers, are stacked (堆放) in groups on the shelves, and each group is labeled with a price ticket Metal baskets near the entrance are taken by the shoppers who collect in them the goods they select from the shelvesBetween the shelf units and the window in one half of the shops are a number of small counters about three feet high Beside each sits a cashier (现金出纳员), who operates a machine for totaling the cost of each customer's purchases The customer places the basket at one end of the counter so that it can be emptied by the cashier who records the price of the commodities one by one, before putting each on a moving section of the counter top The goods are collected and packed into the customer's bag by another assistant at the end of the counter The cashier finally hands a printed slip recording all prices to the customer, who pays the total, collects the bag and leaves 第 41 题 Which of the following statements is NOT true, according to the passage?（ ）A．Most supermarkets have a very large floor areaB．Most supermarkets have a floor area as large as that of an ordinary shopC．Most supermarkets are on one floor onlyD．Some supermarkets have a floor area at least ten times as big as that of an ordinary shop
A.MostB.MostC.MostD.Some
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肿瘤的生物学特点及每种肿瘤的特殊性主要由哪种因素决定的
A. 肿瘤的血管 B. 肿瘤的实质和间质的比例 C. 肿瘤的实质 D. 肿瘤的间质
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飞出的刀具或机械部件、飞出的切屑或工件等属于机械设备旋转部件的危害。()
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一组变量，其变量值分别为：2、4、6、 8、10，则样本标准差为A．7.314B．10C．2.828D．8E．3.162
一组变量，其变量值分别为：2、4、6、 8、10，则样本标准差为A．7.314B．10C．2.828D．8E．3.162
A．7.314B．10C．2.828D．8E．3.162
B．10C．2.828D．8E．3.162
C．2.828D．8E．3.162
D．8E．3.162
E．3.162
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A . 内部断路
B . 性能不好
C . 已被击穿
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下列关于感应电炉的优点的说法中，正确的是( )。
A．钢中元素烧损率较低B．熔炼速度快C．能源损耗少D．易于实现真空熔炼E．适于大规模炼钢生产
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A . 头脚持平B . 头低脚高C . 头高脚低
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形成交流干扰电压的原因主要有（）等方面的因素。
A.地点场及磁感应耦合
B.静电场及磁干扰
C.静电场及地电场
D.静电场、地点场及磁感应耦合
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在MRI系统中，磁场均匀性是以主磁场的多少作为一个偏差单位来定量表示的
A．千分之一
B．万分之一
C．十万分之一
D．百万分之一
E．千万分之一
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结构主义语言学并没有为对比分析找到解决问题的出路。
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DL£¯T578£2008《水电厂计算机监控系统基本技术条件》规定：水电厂计算机监控系统现地控制单元相对湿度应控制在（)。
A.20%～90%
B.20%～80%
C.30%～90%
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消防供配电电源允许中断供电时间为（）S以上的供电，可选用快速自启动的发电机组。
A.5
B.10
C.15
D.20
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所谓SDRs是指（）
A.普通提款权
B.特别提款权
C.美元黄金
D.储备资产
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