更多“电子邮件应用程序实现POP3协议主要是为了（）”相关的问题
期货市场的规避风险功能的要义是______。
A.期货交易无价格风险
B.期货价格上涨则赢利，下跌则亏损
C.消灭期货市场的风险
D.一个市场的赢利弥补另一个市场的亏损
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宫内节育器的主要作用机制为（）。
A . 抑制排卵
B . 改变宫腔内环境不利孕卵的着床
C . 杀死精子使进入阴道内的精子失去活力
D . 阻止精子与卵子相遇
E . 应用生殖系统特异抗原进行主动免疫
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国际上目前应用最普遍的三种温标是摄氏温标、华氏温标和（）。
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关于公共物品的说法，正确的有()。
A.公共物品的消费容易产生“搭便车”现象 B.公共物品的市场需求曲线是所有消费者需求曲线的水平方向加总 C.公共物品的市场需求曲线是所有消费者需求曲线的纵向加总 D.准公共物品具有－定程度的拥挤性 E.纯公共物品只能由政府提供
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急性肾盂肾炎，尿中可见
A．红细胞管型
B．白细胞管型
C．上皮细胞管型
D．透明管型
E．宽而短的管型
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客运专线无渣轨道具有良好的结构耐久性和少维修性能。
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Some sentences are taken out from passages. This kind of complex meaning expressed in written language soon becomes a fish out of water. The complexity of spoken language is more like that of a dance; it is not static and dense but mobile and intricate. Much more meaning is expressed by grammar than by vocabulary. As a consequence, the sentence structure is highly complex, reaching degrees of complexity that are rarely attained in writing. Writing, as recognized by most people, is genuinely formal and readily tangible, but spoken language has merits of its own. It is usually more economic in face-to-face communication, and it allows the omission of much contextual or commonsense information. This permits oral language to be more simplistic and flexible than written language. What is difficult or even impossible to achieve in written language can sometimes be achieved in oral language in a convenient way that does not demand extra efforts. On the other hand, speech can be more difficult to manage in linguistic studies due to such factors that make it readily acceptable as a more economic way of expression. It is in spontaneous, operational speech that grammar is most fully exploited, such that its semantic frontiers expand and its potential for meaning is enhanced. This is why we have to look to spoken discourse for at least some of the evidence on which to base our theory of the language. Philosophers of language have tended to accept the folk belief, typical of a written culture, according to which spoken language is disorganized and featureless, while only writing shows a wealth of structure and purity of pattern. This is "demonstrated" by transcriptions in which speech is reduced to writing and made to look like a dog’’s dinner. Speech was not meant to be written down, so it often looks silly, just as writing often sounds silly when it is read aloud; but the disorder and fragmentation are a feature of the way it is transcribed. Even a sympathetic transcription like that above cannot represent it adequately, because it shows none of the intonation or variation in tempo and loudness; but it does show the way it is organized grammatically, and so enables us to analyze it as a text.
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国家鼓励、引导哪些类型的单位和场所投保火灾公众责任保险（）
A.公众聚集场所
B.生产、储存、运输、销售易燃易爆危险品的企业
C.重点单位
D.人员密集场所
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自2016年5月l日起，新纳入“营改增”的纳税人，全都纳入商品和服务税收分类与编码试点范围，使用具有编码功能的增值税发票管理新系统开具增值税发票。（)
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放大电路如下图所示，已知gm、β和rbe
放大电路如下图所示，已知gm、β和rbe
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为了核实主营业务收入交易的截止期，审计人员应当实施的程序是______。
A．检查决算日当天的所有销售记录
B．分析当年销售收入与销售成本之间的关系是否正常
C．取得或编制主营业务收入明细表并复核其正确性
D．检查决算日前后一段时间的销售记录
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船舶在备航时，（）与驾驶员配合做好对舵的检查工作，检查舵机控制设备运转是否正常，检查舵角指示器的指示值是否正确，检查满舵限位开关是否可靠、灵活。
A.开行前一天进行 B.开行前1h进行 C.开行后立即进行 D.开行后1h进行
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关于精浆的叙述错误的是（）。
A.乳白色 B.弱碱性液体 C.为精子提供能源物质 D.参与精液的凝固和液化 E.主要由附睾分泌液组成
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胶囊颗粒属于以下哪个类别？（）
A.湿垃圾
B.可回收垃圾
C.有害垃圾
D.干垃圾
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