Which of the following is true of the work in the new economy?
A.A worker's incompetence in shifting between roles.
B.Moderate competition in research and education.
C.The emphasis of collective efforts directed at a task.
D.More specialized jobs resulting from division of labor.
第6题
在驾驶台值班时,下列说法中正确的是:()
A.当班驾驶员可坐着值班
B.操舵水手可坐着操舵
C.A.B都对
D.A.B都错
第7题
气象要素是指()。
A.气温,气压,能见度
B.低气压,高气压,台风
C.A,B都对
D.A,B都错
第9题
A.船舶可与码头平行方向接近,并可自力靠泊
B. 船舶可与码头平行方向接近,但不能自力靠泊
C. 船舶可与码头垂直方向接近,并可自力靠泊
D. 船舶可与码头垂直方向接近,但不能自力靠泊
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