| Henry Ford, the famous U. S. inventor
and car manufacturer, once said, "The business of America is business." By this
he meant that the U.S. way of life is based on the values of the business
world. Few would argue with Ford’s statement. A brief glimpse at a daily newspaper vividly shows how many people in the United States think about business. For example, nearly every newspaper has a business section, in which the deals and projects, finance and management, stock prices and labor problems of corporations are reported daily. In addition, business news can appear in some of the unlikeliest places. The world of arts and entertainment is often referred to as "the entertainment industry" or "show business". The positive side of Henry Ford’s statement can be seen in the prosperity that business has brought to U.S. li A. reduction in the number of employees B. improvement of working conditions C. fewer disputes between labor and management D. a rise in workers’ wages [判断题]高速铁路和胶济客运专线禁止进行天窗点外作业。 ( )
A.正确 B.错误 [多项选择]建筑外部体形构图原则的要素是（）
A. 主要与从属 B. 对比与协调 C. 色彩与质感 D. 均衡与稳定 [单选题]CTCS-2列控系统出站有源应答器的信息丢失后,列控车载设备生成NBP为( )的核对速度曲线。[322000000]
A.20km/h B.30km/h C.50km/h D.55km/h [单选题]《煤矿安全质量标准化标准》规定:综采工作面机道梁端至煤壁顶板的冒落高度不得大于( )mm。
A.200 B.300 C.400 [单项选择]锦苏特高压直流工程额定直流电压（）kV。
A. 500 B. 660 C. 800 D. 1100 [单选题]与温里药"温肾回阳"功效相关的药理作用是
A.强心、抗心律失常 B.镇痛、镇静 C.抗炎 D.局麻 E.抗寒冷 [判断题]季节换装时,视情况组织队容风纪检查。( )
A.正确 B.错误 [判断题]压力卸荷的方法是使泵在接近零压下运转。( )
A.正确 B.错误 [单选题]随时间按正弦规律变化的电流和电压称为( )。大小和方向不随时间变化的电流和电压称为直流电。交流电大小和方向随时间不断变化，而直流电大小和方向是不变的
A.正弦交流电 B.交流电 C.直流电 D.余弦交流电 [单项选择]( )不是等离子弧的特点。
A. 热量集中，温度高 B. 电弧稳定性好 C. 等离子弧吹力大 D. 功率大 [判断题]理想集成运放的输入电阻越小越好
A.正确 B.错误 我来回答: 提交
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