更多“( 多选)下列关于银行本票性质的表述,正确的有( ”相关的问题
针对某一特定购买群体、产品细分市场或区域市场，采取成本领先或产品差异化来获取竞争优势的战略是()。
A.差异化战略
B.成本领先战略
C.集中化战略
D.前向一体化战略
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某科学家逝世后，媒体这样评价：“在我们这一时代的物理学史中，他现在是，将来也还是人类宇宙中有头等光辉的一颗巨星„„他也许比牛顿更伟大，因为他对于科学的贡献，更加深刻地进入了人类思想基本概念的结构中。”这位科学家是（）
A.达尔文 B.爱迪生 C.普朗克 D.爱因斯坦
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A . 线性特性B . 对称特性C . 延时特性D . 频移特性
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光缆中无任何金属材料，故不必考虑雷电的影响。
A . 正确
B . 错误
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骨折的治疗原则有
A．复位
B．固定
C．药物治疗
D．支持疗法
E．功能锻炼
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关于坏死性外耳道炎，下列哪项错误（）
A.又称恶性外耳道炎 B.常继发于糖尿病 C.常引起颞骨骨髓炎和广泛进行性坏死 D.可并发多发性脑神经麻痹 E.致病菌多为金黄色葡萄球菌
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新生儿生后3天因高胆红素血症入院，患儿为O型血，入院时Hb90g/L，血清总胆红素水平为390μmol／L。首先进一步检查能明确诊断的是（）
A . A.血常规
B . B.释放试验
C . C.脑电图
D . D.直接抗人球蛋白试验
E . E.母血的血型抗体
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以下哪些是散开不足患者的AC/A？（）
A.AC/A=1.5△/D
B.AC/A=5△/D
C.AC/A=4△/D
D.AC/A=7△/D
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行包办理站应按照“先行李，后包裹；先中转，后始发”的原则组织运输。
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反映某地三种病的发病率的变动趋势，宜采用（）。
A.普通线图
B.半对数线图
C.直条图
D.直方图
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在微机中，存储容量为1MB，指的是()。A.1024×1024个字B.1024×1024个字节C.1000×1000个字D.1000×1000
在微机中，存储容量为1MB，指的是()。 A.1024×1024个字 B.1024×1024个字节 C.1000×1000个字 D.1000×1000个字节
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【《末日审判书》】(Domesday Book)安徽师范大学2014年世界史真题；安徽师范大学2016年世界史真题；复旦大学2018年历史学真题
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男，9岁，发热一天，抽搐1次，皮肤有出血点，有颈抵抗，脉搏减弱，血压下降。该患儿应首选哪一种抗生素最佳（ ）
A.氨卡青霉素十庆大霉素 B.青霉素十氯霉素 C.万古霉素 D.头孢哌酮 E.丁胺卡那
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患儿男，7岁，因“进行性肢体无力2d”来诊。查体：T36.8℃；精神好，语音低；四肢肌张力减低，上肢肌力Ⅳ级，左下肢肌力Ⅰ级，右下肢肌力Ⅱ级，腱反射未引出，病理反射阴性；因患儿不配合难以确定有无感觉障碍。
70.必要的处理有(提示血清钾正常。肌电图：神经根损伤。脊髓MRI：无异常。诊断：吉兰-巴雷综合征。)
A.静脉应用抗生素
B.静脉注射丙种球蛋白
C.静脉应用抗病毒药物
D.肾上腺皮质激素
E.维持水、电解质平衡
F.静脉应用脱水药物
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Section C Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You should decide on the best choice and mark the corresponding l etter on Answer Sheet 1 with a single line through the centre. Passage One Questions 4 6 to 5 0 are based on the following passage You never see him, but they're with you every time you fly. They record where you are going, how fast you're traveling and whether everything on your airplane is functioning normally. Their ability to withstand almost any disaster makes them seem like something out of a comic book. They’re known as the black box. When planes fall from the sky, as a Yemeni airliner did on its way to Comoros Islands in the India ocean June 30, 2009, the black box is the best bet for identifying what went wrong. So when a French submarine ( 潜水艇 ) detected the device's homing signal five days later, the discovery marked a huge step toward determining the cause of a tragedy in which 152 passengers were killed. In 1958, Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction. That was the first mode for a black box, which became a requirement on all U.S. commercial flights by 1960. Early models often failed to withstand crashes, however, so in 1965 the device was completely redesigned and moved to the rear of the plane – the area least subject to impact – from its original position in the landing wells ( 起落架舱 ). The same year, the Federal Aviation Authority required that the boxes, which were never actually black, be painted orange or yellow to aid visibility. Modern airplanes have two black boxes: a voice recorder, which tracks pilots' conversations, and a flight-data recorder, which monitors fuel levels, engine noises and other operating functions that help investigators reconstruct the aircraft's final moments. Placed in an insulated ( 隔绝的 ) case and surrounded by a quarter-inch-thick panels of stainless steel, the boxes can withstand massive force and temperatures up to 2,000 ℉ . When submerged, they're also able to emit signals from depths of 20,000 ft. Experts believe the boxes from Air France Flight 447, which crashed near Brazil on June 1,2009, are in water nearly that deep, but statistics say they're still likely to turn up. In the approximately 20 deep-sea crashes over the past 30 years, only one plane's black boxes were never recovered. 注意：此部分试题请在 答题卡 1 上作答。 46. What does the author say about the black box?
A. It ensures the normal functioning of an airplane.B. The idea for its design comes from a comic book.C. Its ability to ward off disasters is incredible.D. It is an indispensable device on an airplane.
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