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【多选题】
属于选择性偏倚的是A.
入院率偏倚
B.
无应答偏倚
C.
检出症候偏倚
D.
回忆偏倚
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举一反三
【单选题】When the machinery spaces are in the periodic unmanned condition, ____ shall be immediately available and on call to attend the machinery space
A.
the chief engineer
B.
the designated engineer from shipyard
C.
the designated duty officer in charge of the engineering watch
D.
the designated surveyor from classification society
【单选题】Were anything to happen, I ______ immediatel y.
A.
return
B.
returned
C.
didn ’ t return
D.
would return
【单选题】These natural disasters have warned us that everyone should start to protect the_________ immediately.
A.
amusement
B.
development
C.
environment
D.
government
【单选题】If a crew member is exposed to phenol by way of skin or eye contact, you should IMMEDIATELY ______.
A.
administer oxygen
B.
treat victim for shock
C.
flush skin and eyes with water
D.
give victim stimulant
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