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当前学科：平准器装置操作
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YJ17平准器劈刀盘磨损到比原来新盘直径小（）mm必须更换上新盘。
A . 0.5
B . 1
C . 1.5
D . 2
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Marriage Advertisements in India Every Sunday morning millions of Indians settle down with a cup of tea and special weekend issues of their newspapers, just as Americans do. But here, with the marriage season approaching, many of them quickly to a Sunday feature that is particularly Indian-the-columns of marriage advertisements in which young people look for husbands and wives. This is relatively modern change in the age-old custom of the arranged marriage. The thousands of advertisements published each week increasingly reflect social changes that coming to this traditional society. For example, although women are still described in terms of appearance, or skill in "the wifely arts", information about her earning power is entering more and more of the advertisements. This reflects the arrival in India of the working wife. Divorce, which used to be almost unheard of in India, is sometimes now mentioned in the advertisements as in the case of a woman whose advertisement in New Delhi newspaper explained that had been "the innocent party" when her marriage broke up. Because the custom of the dowry (marriage payment) is now illegal, some advertisements say "no dowry" or "simple marriage", which means the same thing. However, the fathers of many bridegrooms still require it. In a land where light skin is often regarded as socially preferable, many also require that a woman have a "wheat-color" complexion or that a man be "tall, fair and handsome". Advertisements are placed and eagerly read by a wide range of people in the upper classes, mostly in cities. Many of them receive dozens of answers."There's nothing embarrassing about it," explained a Calcutta businessman advertising a son-in-law. "It's just another way of broadening the contacts and increasing the possibility of doing the contacts and increasing the possibilities of doing the best one for one's daughter." Because of high unemployment and a generally poor standard of living here, one of the best attractions a marriage advertisement can offer is a permit to live abroad, especially in Canada or the United States. A person who has one can get what he wants. One recent Sunday in Madras, for example, a Punjabi engineer living in San Francisco advertised for a "beautiful slim bride with lovely features knowing music and dance". And a man whose advertisement said that he held an American immigration permit was able to say, only girls from rich, well-connected families need apply. In the text, a Sunday feature is a kind of newspaper advertisements in which young people look for husbands and wives.（） In Marriage advertisements in India women are only introduced in terms of appearance or their skill in being a good wife.（） India′s society is changing.（） The word "dowry" in the third paragraph means marriage payment.（） In India people with light skin and good feature are preferable.（） Anyone can receive dozens of answers if he/she placed an advertisement.（） The word "one" in "a person who has one can get what he wants" refers to good attraction.（） Advertisements are only read by a small group of people of high social status.（） In India there is a high divorce rate.（） A male who has an American immigration permit means he is competitive in marriage than others.（）
小腿胫前扭伤后6个月不愈合，有死骨排出，最可能的诊断（）
某铁矿山属于私营企业，矿区面积338km2，开采标高1323~1654m，设计生产能力40万t/a。该矿山采用平硐溜井开拓，崩落法落矿，用电机车运输。2006年4月26日，在安全自检自查时发现井下1#提升设备的钢丝绳存在安全隐患，需立即进行更换，决定由四工区执行。厂机电技术组派电气技术人员方某协助完成。4月28日晚，对已更换的钢丝绳又进行检查、调试，发现该钢丝绳偶尔存在漏电现象，但未查出原因。4月28日晚23：30分左右，方某对电器线路进行隐患排查，当检查完五中段控制室后未发现异常，便准备爬梯子到机房检查，方某爬了三、四格梯子后突然触电坠落。在这紧急关头，站在井口2164分层的工友李某一把将方某拉到安全平台上，避免了一起伤亡事故的发生。根据上述事实，（）是造成事故的直接原因。
有关利润分配的顺序，下列说法正确的是( )。A．弥补以前年度未弥补的亏损、提取法定盈余公积、提取任意盈余公积、分派股利B．分派股利、提取任意盈余公积、提取法定盈余公积、弥补以前年度未弥补的亏损C．提取任意盈余公积、提取法定盈余公积、弥补以前年度未弥补的亏损、分派股利D．弥补以前年度未弥补的亏损、分派股利、提取法定盈余公积、提取任意盈余公积
某产品质量认证机构认证人员收受贿赂，为某公司生产的医疗保健器械出具质量合格的虚假证明，数名消费者购买了该种医疗保健器械后发生脊椎扭伤等损害，下列说法错误的是：（）