更多“两台单相电压互感器接成V/V形接线，可测量各种线电压，也可测”相关的问题
设有以下命题： ①若正项级数收敛，则收敛； ②若，则收敛； ③若收敛，则收敛； ④若收敛，发散，则发散． 则以上命题正确的是______．
A.①②
B.①④
C.②④
D.①③④
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利润包括收入减去费用后的净额以及()等。A.所得税B.营业利润C.实收资本D.直接计入当期利润的利得
利润包括收入减去费用后的净额以及()等。 A.所得税 B.营业利润 C.实收资本 D.直接计入当期利润的利得和损失
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试析当代国际体系演变的动力、主要特征与发展趋势。
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加强党的政治建设，必须把营造风清气正的政治生态作为基础性、经常性工作。()
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下列文物中，制作年代最早的是（）。
A.长信宫灯
B.秦始皇陵铜车马
C.曾侯编乙钟
D.越王勾践剑
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市场细分的依据包括( )。
A．地理因素
B．人口因素
C．行为因素
D．心理因素
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支气管肺炎引起代谢性酸中毒的原因中不包括下列哪项
A．缺氧
B．二氧化碳潴留
C．发热及感染导致机体分解代谢增加
D．进食差引起酮症
E．感染毒素引起机体组织代谢紊乱
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The greatest recent social changes have been in the lives of women. During the twentieth century there has been a remarkable shortening of the time of a woman’s life spent in caring for children. A woman marrying at the end of the nineteenth century would probably have been in her middle twenties, and would be likely to have seven or eight children, of whom four or five lived till they were five years old. By the time the youngest was fifteen, the mother would have been in her early fifties and would expect to live a further twenty years, during which health made it unusual for her to get paid work. Today women marry younger and have fewer children. Usually a woman’s youngest child will be fifteen when she is forty-five and can be expected to live another thirty-five years and is likely to take paid work until retirement at sixty. Even while she has the care of children, her work is lightened by modem living conditions. This important change in women’s life-pattern has only recently begun to have its full effect on women’s economic position. Even a few years ago most girls left schools at the first chance, and most of them took a full-time job. However, when they married, they usually left work at once and never returned to it. Today the school-leaving age is sixteen, many girls stay at school after that age, and though women usually marry younger, more married women stay at least until shortly before their first child is born. Very many more afterwards return to full or part-time work. Such changes have led to a new relationship in marriage, with the husband accepting a greater share of the duties and satisfactions of family life, and with the both husband and wife sharing more equally in providing the money, and running the home, according to file abilities and interests of each of them.
A．at about twenty-fiveB．in their early fiftiesC．as soon as possible after they were fifteenD．at any age from fifteen to forty-five
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依据华电集团《电力安全生产奖惩管理办法》，安全生产奖惩工作坚持什么原则？
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（ ）是爱国主义、国际主义在导游工作中的具体表现。
A.不卑不亢 B.遵纪守法 C.顾全大局 D.真诚公道
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如果不小心删除桌面上的某应用程序图标，那么
A.该应用程序再也不能运行
B.再也找不到该应用程序图标
C.还能重新建立该应用程序的快捷方式
D.该应用程序能在回收站中找到
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信用卡个性化定制业务的服务内容有（）
A.消费输密标志和限额 B.实时购汇 C.境外网上交易开关 D.以上都包括
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临床科室医护人员危急值报告处理流程，内容包括：（）。
A.患者识别信息
B.报告者信息
C.向经治或值班医师报告的记录
D.危急值内容
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下图表示在不同生命活动过程中，细胞内染色体数目的变化曲线，下列有关叙述合理的是（）
下图表示在不同生命活动过程中，细胞内染色体数目的变化曲线，下列有关叙述合理的是（）
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