What could cause a significant difference between actual chain tension and the tension measured by the tensiometer? ()
A. The type of anchor and mooring line being used
B. The type of bottom in which the ship is anchored
C. A significant difference between air and water temperature
D. The chain contacting a chock or fairlead between the tensiometer and the lower swivel fairlead
查看答案
以下关于承兑信用证的说法正确的是()
A. 在该项下,受益人可自由选择议付的银行
B. 承兑信用证的汇票的期限是远期的
C. 其起算日是交单日
D. 对受益人有追索权
患者,女,33岁。咽喉肿痛,头痛面赤,应选用的与荆芥、桑叶、木贼等配伍的药物是()。
A. 蕲蛇
B. 羚羊角
C. 全蝎
D. 僵蚕
E. 地龙
原油的主要成分为()。
A. 碳和硫
B. 碳和氢
C. 碳和氮
D. 碳和氧