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梯口值班水手在船舶处于保安等级2的情况下，让一名自称为港口设施保安员的人自行去船长的房间与船长商讨船舶在港口期间的保安事宜，违反了在保安等级2进入船舶人员控制方面的规定。A.
正确
B.
错误
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【简答题】Section III Writing Part A 51. Directions: You live in a room in college which you share with another student. You find it very difficult to work there because your roommate always has friends visitin...
【简答题】2020_6 Section III Writing Part A Directions: One of your students, Li Ming, wants to study for the 's Degree under the supervision of Professor Smith in an oversea university, you are asked to...
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【单选题】钢筋标注中Φ8@100/200中的100/200表示( )。
A.
间距1OOmm
B.
间距200mm
C.
间距在100-200mm之间
D.
加密区1OOmm.非加密区200mm
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【单选题】Any climber who neglects these simple precautions does so ______ his peril.
A.
to
B.
in
C.
with
D.
at
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