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【单选题】
神经管从内向外依次为( )A.
室管膜层、边缘层、套层
B.
室管膜层、套层、边缘层
C.
边缘层、套层、室管膜层
D.
边缘层、室管膜层、套层
E.
套层、室管膜层、边缘层
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皮皮学刷刷变学霸
举一反三
【单选题】The family of a detainee shall be ________ within 24 hours after detention
A.
noted
B.
summoned
C.
notified
D.
called
【单选题】Since 1 955, life expectancy rates in the U.S. have
A.
moved up and down.
B.
been declining.
C.
been on the rise.
D.
remained steady.
【简答题】s____ a. steady and notlikely to move or change 稳定的;不变的
【简答题】单选: 1 . Owing to his________ mind , he quickly found a way out. A . steady B . flexible C . concrete D . lonely 2 . In his first class , th...
【单选题】A patient with nausea, vomiting, and diarrhea within 5 hours after eating most likely has
A.
shigellosis.
B.
cholera.
C.
E. coli gastroenteritis.
D.
salmonellosis.
E.
staphylococcal food poisoning.
【单选题】After a seaman is discharged，at the end of the voyage，the final payment of wages due must be made at the earlier of within 24 hours after the cargo has been discharged or（）.
A.
within 4 days after the seaman's discharge
B.
prior to the vessel's departure on the next voyage
C.
prior to loading any out-bound cargo
D.
prior to any change of Master
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