| Labor force is defined as being the
total number of people who are available to work and earn income. This
definition includes everyone who is employed or seeking paid employment, so it
includes employees and the self-employed. Labor is one of the country’s
resources which can be combined with other resources to produce the goods and
services required by the community. Though the size of the workforce relies greatly on the size of the total population, there are several other aspects which also affect it. The age distribution of the total population has a very marked effect on the available workforce. If the population has a high proportion of very young people or of those too old to work, then the available workforce would be lower than if there were an evenly spread age distribution. If the population grows rapidly from nat A. a population growth from natural increase leads to a greater proportion of the workforce B. a large population does not necessarily mean a higher proportion of workforce C. the larger the number of the aged in a population, the higher the proportion of the workforce D. if the population has an evenly spreaded age distribution, the workforce will be lower [多选题]下列哪些地点都必须安装喷雾装置或除尘器？（ ）
A.溜煤眼放煤口 B.回风井 C.略 D.略 E.略 F.略 G.略 H.略 [单选题]装用254×254制动缸车辆的活塞行程为（ ）。
A.125±10mm B.125±15mm C.155±10mm D.155±15mm [多项选择]伤气的病理变化包括（）。
A. 气滞 B. 气闭 C. 气虚 D. 气陷 E. 气脱 [单选题]要成巨富，还须“争时”，放远眼光，走在别人前面；当然，仅有眼光是不够的，作为一个一流的货殖家，更要像刁间那样具备“智”、“勇”、“仁”、“强”四种品德。这是白圭的理论，而为刁间所充分实践。这段话主要强调的是( )。
A.刁间是个成功的商人 B.白圭的理论重要的是实践 C.品德优秀对想成为巨富的人非常重要 D.要成巨富，须放远眼光，走在别人前面 [单选题]胸骨左缘第2肋间及其附近区域听到连续性杂音见于
A.二尖瓣狭窄 B.二尖瓣关闭不全 C.动脉导管未闭 D.主动脉瓣狭窄 E.主动脉瓣关闭不全 [多项选择]在代理关系中，委托代理关系终止的条件包括( )。
A. 被代理人的法人终止 B. 被代理人取得民事行为能力 C. 被代理人取消委托 D. 代理事项完成 E. 代理期间届满 [多项选择]行政诉讼过程中，人民法院可以按照撤诉处理的情形有( )。
A. 原告经合法传唤，无正当理由拒不到庭的 B. 上诉人认为法院偏袒被告未经法庭许可中途退庭的 C. 原告申请撤诉，法院裁定不予准许，经合法传唤拒不到庭的 D. 被告改变原具体行政行为，原告不撤诉的 E. 原告或者上诉人未按规定的期限预交案件受理费，又不提出缓交、减交、免交申请的 [单项选择]下列( )不属于风险对策研究的要点。
A. 风险对策必具经济性 B. 风险对策应具针对性 C. 风险对策研究应从可行性研究阶段开始 D. 风险对策应具有可行性 [多选题]工业机器人的机械部分主要由机身、()和手部构成。
A.臂部 B.腕部 C.腰部 [单项选择]生拌主要用于( )原料。
A. 鲜黄花菜 B. 鱼 C. 肥肠 D. 茄子 我来回答: 提交
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