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题目：
单选题
A±150mm
B±100mm
C±200mm
D±250mm
答案：
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刺激胃液分泌的重要物质是（）
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电容器具有隔断直流电，通过交流电的作用。（）
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固体废弃物按来源分类及特点是什么？
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客户经理平时工作中除对客户进行资金账户监管外，还应随时收集和掌握借款人和担保人的（）。
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期货交易所实行次日无负债结算制度。期货交易所应当在次日及时将结算结果通知会员。（）
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回答题Human needs seem endless．They might be regarded as making up several levels．When there is enough money to satisfy one level of needs, another level appears．The first and most basic level of needs involves food．Once this level is satisfied, the second level of needs, clothing and some sort of shelter, appears．By the end of World War Ⅱ , these needs were satisfied for a great majority of Americans．Then a third level appeared．It included such items as automobiles and new houses．By 1957 or 1958 this third level of needs was fairly well satisfied．Then, in the late 1950s, a fourth level of needs appeared: the "life-enriching level．While the other levels involve physical satisfaction, that is, the feeding, comfort, safety, and transportation, this level stresses mental needs for recognition, achievement, and happiness．It includes a variety of goods and services．Among them are vacation trips, the best medical and dental care, and recreation．Also included here are fancy goods and the latest styles in clothing．On the fourth level, a lot of money is spent on services, while on the first three levels more isspent on goods．A fifth level would probably involve needs that can be achieved best by community action．Consumers may be spending more on taxes to pay for government action against disease, ignorance, crime, and prejudice．After filling our stomachs, our clothes closets, our garages, our teeth, and our minds, we now may seek to ensure the health, safety, and leisure to enjoy more fully the good things on the first four levels．According to the passage, man will begin to think about such needs as housing and clothing only when________
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质量管理体系方法规定建立、实施、保持和持续改进质量管理体系可采用（）个逻辑步骤。
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我国《公司法》规定，企业发行新股必须具备的条件有( )。 A．前一次发行的股份已募足，并间隔一年以上 B．公司在三年内财务会计文件无虚假记载 C．公司预期利润率可达同期银行存款利率 D．公司在最近三年内连续盈利，并可向股东支付股利
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为了保证LVS的web管理工具Piranha的安全访问，最好是对其管理页面进行（）设置
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血液一般检查中，下列哪项指标参考值有性别差异（）.