第29题:[单选题] Every vessel which is directed by these Rules to keep out of the way of another vessel shall,if the circumstances of the case admit,avoid ______. A.Crossing ahead of the other B.Crossing astern of the other C.Passing port to port D.Passing starboard to starboard 参考答案:A 【参考译文】接到指示给他船让路的船舶,如当时情况允许,应避免穿越他船的船头。 【解 析】cross astern of the other免穿越他船的船尾
第30题: [单项选择]预防磷酸盐结石可服用() A. 氧化镁或维生素B B. 氯化铵 C. 碳酸氢钠和别嘌呤醇 D. 卡托普利 E. 碱性枸橼酸盐 参考答案:B