单选题
While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards，the lookout may be（）.
发布日期：2021-03-22
the helmsman
the mate on watch
Either A or B
Neither A nor B
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在平面直角坐标系中，如果点P（3a－9，1－a）在第三象限内，且横坐标纵坐标都是整数，则点P的坐标是：（ ）
自动扶梯必须装设梯级下陷保护装置。
挖土总体积等于回填土总体积加上基础体积。
轨道交通有哪些主要的技术设备？
《企业会计准则第40号-合营安排》中所称相关活动，是指对某项安排的回报产生重大影响的活动。某项安排的相关活动应当根据具体情况进行判断，通常包括（）等。
某企业将60000元存入银行，年利率为4%，该笔存款2年后的复利终值是（ ）。[2011、2010年初级真题]
车间检查的主要内容是（），产品与原料的合理堆放，安全装置与设施的可靠性，消防设施以及安全标志的可靠性，安全操作等
某矩形基础底面尺寸3m×3m，自重应力和附加应力分布图如下图所示，第②层土的室内压缩曲线如下图所示。 第②层土的压缩模量E s最接近于（）kN/m 2。
投保人要将被保险利益的真实情况完全告诉给保险人，如有任何重大隐瞒则可能导致整个保险合同的无效。
芯样试件的含水量对抗压强度有一定影响，含水量愈多则强度愈低。
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