轻质油品储罐液位低于低低液位时,以下何种进油流速是合适的?()
A. 0.5m/s
B. 1.5m/s
C. 2.5m/s
D. 4.5m/
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It is the responsibility of the Master or person in charge of a ship to ensure that().
A. the Muster List ("Station Bill") is posted in each compartment
B. temporary personnel and visitors are advised of emergency stations
C. names of crew members are listed on the Muster List ("Station Bill")
D. no changes are made to the Muster List ("Station Bill")
装有ABS系统的汽车只要踩下制动踏板ABS系统就会起作用,防止车轮抱死。
A. 正确
B. 错误
患儿,女,1岁。睡眠不安,经常哭啼,饮食正常。治疗应选的药物是()。
A. 防风
B. 石膏
C. 蝉蜕
D. 全蝎
E. 黄连