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甲公司是一家服务性质的公司，公司的整体服务质量至关重要，公司董事会想评估公司在服务质量上的业绩，下列指标中可以采用的有（）。
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企业采用预收账款方式销售商品，确认销售收入的时点通常是（）。
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关于2型糖尿病的叙述，错误的是（）
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监理项目部在材料构配件和设备检查工作中主要审核《工程材料/构配件/设备进场报审表》表式。
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Every country has traffic rules and signs, but are they the same? In most countries, there are street and road signs with 21________ about location,directions,dangers,cautions, and rules of the road. These 22 _________ tell drivers and pedestrians what to do and what not to do,including speed and parking 23 ________,places to stop,when to make turns,and other 24________.However, specific local traffic laws and practices usually differ around the world. For instance, in Japan, Indonesia, South Africa, the United Kingdom, and other countries ,steering 25________are on the right side of vehicles ,and cars and trucks drive on the left side of the road. In other 26 _________,such as the United States,Saudi Arabia,Italy, and Mexico,steering wheels are on the left side of vehicles ,and cars and trucks 27________on the right side of the road. An illustration of a local 28________law is the regulations for pedestrian and school 29 ________ in some Mexican cities:drivers rarely respect the rules,so for safety, people cross streets only at stop lights, on roads with little traffic, or on pedestrian-only 30 _________ across wide avenues.
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女性，30岁。妊娠32周，平时有偏食习惯，因近日头晕乏力就诊。化验：红细胞数1.6××1012/L，血红蛋白62g/L，MCV130fl（130μm3），中性粒细胞有分叶过多现象，疑为巨幼细胞性贫血。下列哪项最有诊断意义（）
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认知类玩教具就是我们通常所说的益智玩具，它能帮助幼儿学习及建立各种基本概念。()
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汽车在（）道路等速行驶时，没有坡度阻力。
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肝硬化最严重的并发症是（）
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液压站应离卸料处远一些，以免物料落在液压站上面，影响液压元件或电机的正常工作。