【多选题】
井下水文地质补充勘探应当采用井下___、测试等综合勘探方法，针对井下特殊作业环境，采取可靠的安全技术措施。
A. 钻探
B. 物探
C. 化探
D. 监测
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【多选题】
井下物探采用电法实施掘进工作面超前探测的，探测环境应当符合下列要求：___。
A. 巷道断面、长度满足探测所需要的空间
B. 距探测点20m范围内不得有积水
C. 不得存放掘进机、铁轨、皮带机架、锚网、锚杆等金属物体
D. 巷道内动力电缆、大型机电设备必须停电
【多选题】
各种测量原始记录簿应符合下列规定：___。
A. 封面有名称、编号、单位、日期
B. 目录有标题及其所在页数
C. 记录必须清楚、工整，禁止涂改
D. 绘出草图或工作过程中所需的略图
【多选题】
地表与岩层移动及“三下”采煤观测的原始资料应包括：___。
A. 地表、岩层和建(构)筑物变形观测记录簿
B. 各种地面、井下和建(构)筑物变形观测点的计算资料及有关图表
C. 建(构)筑物、水体，铁路和主要井巷煤柱的设计资料
D. 建(构)筑物、水体，铁路和主要井巷的间距
【多选题】
下面关于测量误差的说法正确的是___。
A. 测量误差是客观存在，不可避免的
B. 偶然误差无明显规律，但有其自身的特性
C. 增加测量次数可降低偶然误差的影响
D. 偶然误差服从一定的统计规律
【多选题】
下面关于地表等高线的说法正确的有___。
A. 同一条等高线上各点的高程相等
B. 等高线不相交、不重合、不分岔
C. 等高线与山脊线正交时凸向高处，与山谷线正交时凸向低处
D. 在等高距相同的情况下，等高线平距大的地方坡度缓
【多选题】
重要测量工程包括___。
A. 井田加密控制测量
B. 井田区域地形测量
C. 矿井联系测量
D. 重要贯通测量（指两井间、或导线长度大于3000m、或贯通点在主要运输平巷和主要上下山的贯通测量）
【多选题】
《防范煤矿采掘接续紧张暂行办法》规定，有下列情况___之一的，不得计算为回采煤量。
A. 所圈定的回采范围内瓦斯抽采不达标
B. 未按照规定进行抽采达标评判的煤量
C. 所圈定的回采范围内水害防治不达标
D. 未按照规定进行水害防治效果验证的煤量
【多选题】
下列属于等高线的特征___。
A. 同一条等高线上各点的高程相等
B. 是闭合曲线，若不在本幅图闭合，则必然在相邻的其它图幅内闭合，它不能在图中突然断开
C. 等高线不相交，而重合分岔
D. 等高距相同的情况下，平距大的一地方坡度缓，平距小的地方则坡度大，平距相等时坡度相等
【多选题】
偶然误差有以下几个特性：___。
A. 定的观测条件下，偶然误差的绝对值不会超过一定的限值
B. 值较小的误差比绝对值较大的误差出现的机会多
C. 值相等的正误差与负误差出现的机会相等
D. 误差的算术平均值，随着观测次数的无限增加趋向于零
【多选题】
煤炭企业、煤矿应当结合本单位实际情况建立健全___、探放水制度、重大水患停产撤人制度以及应急处置制度等。
A. 水害防治岗位责任制
B. 水害防治技术管理制度
C. 水害预测预报制度
D. 水害隐患排查治理制度
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