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【单选题】
下列关于药物物理化学相互作用对溶解度的影响,错误的是A.
药物在溶剂中的溶解主要遵循 “结构相似者”的原理
B.
药物与溶剂形成分子间氢键后可增加药物的溶解度
C.
药物自身形成分子内氢键后增加在极性溶剂中溶解度
D.
药物形成络合物对药物的溶解度影响是双向的
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举一反三
【单选题】For GMDSS，when may a compulsory vessel not be allowed to leave port ________．
A.
When the vessel is in an overloaded condition
B.
When the vessel has arranged for both duplication of equipment AND shore-based maintenance
C.
When the vessel has replaced a required piece of GMDSS-related equipment but its performance has not been verified or logged
D.
When the vessel is carrying only two licensed GMDSS Radio Operators and is capable of performing all required functions
【单选题】The phrase “When built” in the Certificate of Vessel’s Nationality means（）.
A.
when was your vessel built
B.
at what time is your vessel building
C.
when is your vessel built
D.
at what time you built your vessel
【单选题】用盐酸溶液滴定 Na 2 CO 3 溶液的第一、二个化学计量点可分别用什么作指示剂?
A.
酚酞和甲基橙
B.
甲基红和酚酞
C.
百里酚酞和甲基红
D.
甲基红和甲基橙
【单选题】关于杂音传导正确的说法是
A.
收缩期杂音均易传导
B.
舒张期杂音均不易传导
C.
伴震颤的杂音则肯定传导
D.
杂音传导时,其性质不变
E.
杂音的传导与病情的轻重有关
【单选题】When shall the stand-on vessel in a crossing situation take action to avoid the other vessel?
A.
When a risk of collision exists.
B.
When action by the give-way vessel alone will not prevent a collision.
C.
When the bearing to give-way vessel becomes steady.
D.
When the vessels becoming less than 1/2 mile apart.
【单选题】When shall the stand-on vessel in a crossing situation take action to avoid the other vessel（）.
A.
When a risk of collision exists
B.
When action by the give-way vessel alone will not prevent a collision
C.
When the bearing to give-way vessel becomes steady
D.
When the vessels become less than 1/2 mile apart
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