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【单选题】
A passenger vessel is underway. When may passengers visit the pilothouse?A.
Passengers are excluded from the pilothouse while underway.
B.
Passengers are permitted in the pilothouse during daylight hours only.
C.
Passengers are permitted to visit the pilothouse when authorized by the Master and officer of the watch.
D.
Passengers are permitted in the pilothouse when they are escorted by a ship's officer.
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【单选题】复发性口腔溃疡治疗措施中哪项效果最佳
A.
口腔局部消炎、止痛、促愈合
B.
手术切除
C.
注射转移因子或口服左旋咪唑
D.
尽可能找出与发病有关的全身和局部因素,加以治疗
【单选题】Mr. Rober likes American films ___his wife prefers going to the concert.
A.
when
B.
while
C.
as
D.
however
【简答题】综合题.doc
【单选题】Mr. Rober likes Amerian films ___his wife prefers going to the concert.
A.
when
B.
while
C.
as
D.
however
【简答题】实训综合题.doc
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