更多“生产矿井采、掘工作面的空气温度不得超过（）℃。”相关的问题
从Windows桌面上删除一个快捷方式图标,说法正确的是() 。
A . 该快捷方式图标对应的程序将不能正常运行B . 仅删除桌面该快捷方式图标C . 快捷方式图标一旦删除就无法重新建立D . 该快捷方式对应的程序也被删除
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肝癌病人术前准备措施 , 为改善凝血功能 , 肌内注射
A.维生素 B 1
B.维生素 B 12
C.维生素 K 1
D.维生素 C
E.维生素 D
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股份公司法定公积金的来源包括（）。
A. 公司投资于其他公司所获收益部分B. 股票发行溢价部分C. 每年从税后净利润中按比例提存部分D. 公司接受捐赠的资产
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标准数据表负责人需在申请单中标明发布环境。如发布测试环境，需标明（）。
A.版本
B.环境名称
C.用途
D.上版时间
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治疗空肠弯曲菌性肠炎首先选择下列哪种药物（）
A.头孢曲松 B.氨苄西林 C.庆大霉素 D.喹诺酮 E.红霉素
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滤布冲洗水泵出口压力大于（），发现流量低时切换旁路运行，联系检修清理滤网。
A . A、0.3MPA；
B . B、0.6MPA；
C . C、0.8MPA；
D . D、2000Pa。
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采用（）做成的金属卤化物灯电弧管，使光效更高，光色更好，颜色稳定，寿命最长，是金属卤化物灯节能发展趋势。
A．高分子橡胶；
B．半透明陶瓷；
C．石英管；
D．稀土元素
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《老子》大约成书于（）。
A . A、春秋时期
B . B、战国初期
C . C、战国中期
D . D、战国晚期
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“你去叫处长开会。”是( )。 A．连谓句 B．兼语句 C．连谓兼语句 D．形容词谓语句
A.连谓句B.兼语句C.连谓兼语句
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Some families in America and elsewhere have started buying child friendly mobile phones outfitted with GPS (Global Positioning System) technology. These phones and their related tracking services allow parents to pinpoint the location of their children with ease. Parents agree to pick up the phone bill in return for the reassurance of knowing where their children are; children areprepared to put up with the watching if they are allowed to have a phone. Mobile operators in America are now launching tracking services. Under a federal decree known as E911, they had to upgrade their networks to ensure that anyone dialing the 911 emergency number could be located to within 100 metres. Some operators opted for triangulation technology, which determines the location of the handset by comparing the signals received by different base stations. But Verizon and Sprint chose to adopt the more expensive but more accurate GPS technology instead, and are now looking for ways to make money from it. Verizon calls its service "Chaperone". For $10 a month, parents can call up the location of their child"s LG Migo handset from their own mobile phones, or from a PC.The child receives a message saying that the handset"s position has been requested, and the parents receive an address, or a marker on a web-based map, giving the child"s location. For an extra $10 per month, they can sign up for Child Zone, a service that, among other things, fires off an alert when a youngster (or, at least, the youngster"s handset) strays outside a specified area For its part, Sprint has launched a similar service that can also let parents know when a child arrives at a particular location. Another location service is available from Nextel, a mobile operator that was taken over by Sprint in 2005.Nextel opened up some of its systems to enable other firms to build their own software and services on top of its GPS technology. One example is AccuTracking, a small company which offers a tracking service for $6 a month and boasts that it is "ideal for vehicle tracking" or to keep "virtual eyes on kids". Some customers are also using the service to track their spouses, by hiding phones in their cars. "Mine is hidden under the hood, hot-wired to the battery—it works very well and it is easy to hook up continuous power, " writes one customer on AccuTracking"s message board. Start-ups are working on everything from city-wide games of hide-and-seek to monitoring the locations of Alzheimer"s patients. Services that monitor jogging routes, and work out distance travelled and calories consumed, might also prove popular. As a result, mobile operators, handset-makers and start-ups could transform and expand a small, specialist market so far dominated by expensive, dedicated tracking systems.
A．cut down on the service feesB．provide innovative servicesC．relate their services to health careD．develop their own GPS technology
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A注册会计师是P公司2005年度会计报表审计的外勤审计负责人，在了解P公司基本情况后，A注册会计师及其助理人员开始编制总体审计计划和具体审计计划。在编制审计计划，评估确定重要性水平过程中，A注册会计师...为了保持审计的连续性和审计结果的可比性，注册会计师对同一客户所进行的多次年度会计报表审计，应使用相同的重要性水平。
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人到老年，骨骼相应发生一定变化，主要表现为骨质和无机物逐渐丧失，出现（）
A.骨质疏松
B.骨质流失
C.骨质老化
D.骨质衰老
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FIDIC《施工合同条件》下，承包商提出变更建议在( )情况下可能被采纳。
A．可加速完工
B．可降低业主实施、维护或运行工程费用
C．为业主带来利益
D．可降低施工成本
E．对业主而言能提高竣工工程的效率或价值
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跨越能力最大的桥梁类型是（）。
A.木桥
B.预应力钢筋混凝土桥
C.钢-混凝土结合梁桥
D.钢桥
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