| There are various ways in which
individual economic units can interact with one another. Three basic ways may be
described as market system, the administered system and the traditional
system. In a market system individual economic units are free to interact among each other in the marketplace. It is possible to buy commodities from other economic units or sell commodities to them. In a market, transactions may take place via barter or money exchange. In a barter economy, real goods such as automobiles, shoes, and pizzas are traded against each other. Obviously finding somebody who wants to trade my old car in exchange for a sailboat may not always be an easy task. Hence, the introduction of money as a medium of exchange eases transactions considerably. In the modern market economy, goods and services are bought or sold for m A. Family background. B. Age. C. Religious beliefs. D. Custom. [多选题] 房建设施及其附属建筑物的维修修程主要有( )
A.日常保养 B.综合维修 C.抢修 D.大修。 [单选题]个人保安线应用多股软铜线，其截面不得小于（）mm2。
A.13 B.14 C.15 D.16 [单选题]根据现代统计学的研究成果，“关键的事情总是少数，一般的事情常常是多数”。这意味着管理工作最应该重视（ ）。
A.灵活、及时、适度 B.客观、精确、具体 C.突出重点，强调例外 D.协调计划和组织工作 [判断题]爆炸危险环境一区内,照明灯具防爆结构选型不宜于使用移动式白炽灯。( )
A.正确 B.错误 [单项选择]
A. 不予采信 B. 应予采信 [单选题]吸湿剂受潮变色超过( )、油封内的油位超过上下限、吸湿器玻璃罩及油封破损时应及时维护。
A.44199 B.44230 C.44232 D.44233 [判断题]非集中管理不良贷款在贷款管理部门内部岗位之间移交，由原贷款管理责任人制作移交清单，向不良贷款清收处置责任人移交相关贷款资料。
A.正确 B.错误 [单选题]患者男性，40 岁。无痛间歇全程肉眼血尿 1 周加重 2 日，伴右侧腰部胀痛感 1 个月，可扪及一约为 7cm×6cm 的肿块。患耆因瘤体较大，在手术前
1 天行肾动脉栓塞术，其作用是( )
A.抑制激素分泌 B.使瘤体缩小，减少术中出血 C.鉴别肾实质性肿块与囊性病变 D.预防胸膜破裂 E.鉴别与观察低热原因 [多选题]电力商品是一种特殊商品,电力市场是一个特殊的市场,电力营销也是( )。 ( )
A. 服务性很强的业务 B. 整体性很强的业务 C. 技术性很强的业务 D. 政策性很强的业务 [单选题]以下不属于STM-N的帧结构由的是（ ）。
A.段开销 B.管理单元指针 C.净负荷 D.临时开销 我来回答: 提交
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