题目内容

人生态度决定有什么样的人生目的。

A. 正确
B. 错误

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以下符合大肠菌杆菌落形态的是()

A. 蓝黑色,有金属光泽
B. 中心紫黑色,外缘为红色
C. 紫黑色,无金属光泽
D. 中心黑色,外缘为粉色

当钢轨折损严重或断缝大于()时,应封锁线路进行临时处理。

A. 15mm
B. 30mm
C. 50mm

When evacuating a seaman by helicopter lift,which course should the ship take?()

A. Downwind so that the apparent wind is close to nil
B. A course that will keep a free flow of air,clear of smoke,over the hoist area
C. A course that will have the hoist area in the lee of the superstructure
D. With the wind dead ahead because the helicopter is more maneuverable when going into the wind

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