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20春学期《矿山经济学》在线平时作业3

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发表于 2020-8-8 19:00:57 | 显示全部楼层 |阅读模式
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<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">矿产监督管理的程序</span></font>
A:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">检查<span lang="EN-US">-</span>处置<span lang="EN-US">-</span>报告<span lang="EN-US">-</span>处置</span></font>
B:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">处置<span lang="EN-US">-</span>报告<span lang="EN-US">-</span>检查<span lang="EN-US">-</span>处置</span></font>
C:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">报告<span lang="EN-US">-</span>处置<span lang="EN-US">-</span>检查<span lang="EN-US">-</span>处置</span></font>
D:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">检查<span lang="EN-US">-</span>报告<span lang="EN-US">-</span>处置</span></font>

<span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">(<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span>)是我国调整矿产资源勘查、开采活动等各种社会关系的一项基本法律。</span>
A:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">《宪法》</span></font>
B:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">《矿产资源法》</span></font>
C:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">《矿产法》</span></font>
D:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">《资源法》</span></font>

<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">矿产监督行政管理机关有哪几个层级</span></font>
A:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">①国家国土资源主管部门<span lang="EN-US">; </span>②省、自治区、直辖市国土资源主管部门</span></font></span></font>
B:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">①国家国土资源主管部门;②省、自治区、直辖市国土资源主管部门;③县、地<span lang="EN-US">(</span>市<span lang="EN-US">)</span>矿管机构</span></font>
C:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">省、自治区、直辖市国土资源主管部门</span></font>
D:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">县、地<span lang="EN-US">(</span>市<span lang="EN-US">)</span>矿管机构</span></font>

<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">为降低矿石的损失与贫化,可采取以下措施:</span></font>
A:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">加强生产勘探,掌握矿体赋存情况</span></font>
B:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">选择合理的开拓方法,尽可能避免保留保安矿柱,及时回收矿柱,及时处理空场;</span></font>
C:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">加强放矿管理,防止围岩、充填物混入矿石中;</span></font>
D:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">处理贫矿,提高矿石品位;</span></font>

<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">矿床概略技术经济评价,应具备下列基本条件</span></font>
A:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">对矿床地质普查工作已经结束,并有普查报告;</span></font>
B:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">对矿石的初步可选性已做了试验,并有正式试验报告;</span></font>
C:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">对矿区的外部建设条件作了初步的调查研究,如交通运输、供电、供水等;</span></font>
D:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">初步调查了国内及区域内对该矿产资源的供求现状及部分有关的地区内经济统计资料。</span></font>

<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">三级矿量是指</span></font>
A:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">勘察储量</span></font>
B:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">开拓矿量</span></font>
C:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">采准矿量</span></font>
D:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">备采矿量</span></font>

<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">以下哪些属于矿产监督管理的主要任务:</span></font>
A:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">监督矿业权人在矿业权赋予的权利范围<span lang="EN-US">(</span>包括时间、空间范围等<span lang="EN-US">)</span>内从事矿业活动。</span></font>
B:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">检查矿业权人是否按批准的勘交计划或采矿计划进行矿业活动,以保证矿产资源得到合理的开发利用。</span></font>
C:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">监督检查矿此权入执行经批准的环境保护计划方案情况。</span></font>
D:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">监督检查矿业权人执行经批准的矿地复垦计划和复垦效果。</span></font>

<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">采用合理的采矿方法除了要保证外安全、经济效益高必须满足下列要求:</span></font>
A:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">矿石贫化小</span></font>
B:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">矿石回采率高</span></font>
C:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">生产效率高</span></font>
D:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">遵守有关法规要求</span></font>

<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">从世界范围看,矿产资源法的孕育、产生和发展,大体经历了的历史时期:</span></font>
A:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">突破矿业发展限制的矿产资源法孕育期</span></font>
B:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">保护矿业权的矿产资源法产生期</span></font>
C:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">保护国家矿产所有权的矿产资源法发展期</span></font>
D:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">保护人类环境与促进国际合作的矿产资源法新时期</span></font>

<font face="宋体" color="#000000" size="3"><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&ldquo;</span><font size="3"><span style="FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-ascii-font-family: 宋体; mso-hansi-font-family: 宋体">三率<span lang="EN-US">&rdquo;</span>考核的内容包括:</span></font></font>
A:<font face="宋体" color="#000000" size="3"><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&ldquo;</span><font size="3"><span style="FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-ascii-font-family: 宋体; mso-hansi-font-family: 宋体">三率<span lang="EN-US">&rdquo;</span>指标是否作为本矿山法定考核指标和企业升级必备条件;</span></font></font>
B:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">制定的<span lang="EN-US">&ldquo;</span>三率<span lang="EN-US">&rdquo;</span>指标是否符合本矿山实际生产情况,是否已列入生产计划并分解到班、组;</span></font>
C:<font face="宋体" color="#000000" size="3"><span lang="EN-US" style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&ldquo;</span><font size="3"><span style="FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-ascii-font-family: 宋体; mso-hansi-font-family: 宋体">三率<span lang="EN-US">&rdquo;</span>指标的执行和完成情况,其计算是否正确,考核结果是否符合实际;</span></font></font>
D:<font face="宋体" color="#000000" size="3"><span style="FONT-SIZE: 12pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">要监督检查对非正常损失矿量的定性、定量分析情况,监督检查改进措施的落实情况。</span></font>

<font face="宋体" size="2"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">从这一意义上讲,矿产品开发的每一个阶段都是在以地质、时间、经济为坐标轴的三维系统中考虑的,矿业经济学正是这种特点的具体表现。</span></font>
A:错误
B:正确

<font face="宋体" size="2"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt">进行现金流量分析应正确识别和选用现金流量,包括现金流入、现金流出。</span></font>
A:错误
B:正确

<font face="宋体" size="2"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">现在的储量,是与国际惯例相衔接的新概念,为可以实际采出的矿量,在我国新分类中,分为可采储量、预可采储量。</span></font>
A:错误
B:正确

<font face="宋体" size="2"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt">国家环境保护部门监测机构进行的监测主要包括环境质量监测和空气质量监测。</span></font>
A:错误
B:正确

<font face="宋体" size="2"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt">矿山<span lang="EN-US">&ldquo;</span>三率<span lang="EN-US">&rdquo;</span>指标是:开采回采率、采矿贫化率和选矿回收率。</span></font>
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">研究经济系统处于不同均衡状态时的经济变量均衡值及变化量的均衡分析,称为</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'">比较动态分析</span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">。</span>
A:错误
B:正确

<font face="宋体" size="2"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt">采矿权是指权力人根据国家法律规定在一定范围、一定期限内享有对某地区矿产资源进行勘查并获得收益的权力。</span></font>
A:错误
B:正确

<font face="宋体" size="2"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">进入壁垒指新卖主与原有卖主竞争中的阻止新卖主进入的因素。</span></font>
A:错误
B:正确

<font face="宋体" size="2"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt">矿山设备噪声的治理包括消声、减声、吸声等措施。</span></font>
A:错误
B:正确

<font face="宋体" size="2"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12.0pt">利润是投资的主要刺激因素,因此也是投资决策的一个重要决定因素。</span></font>
A:错误
B:正确

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