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【单选题】
《起重机械安全规程第1部分：总则》（GB 6067.1—2010）规定，卷筒上钢丝绳尾端的固定装置，应安全可靠并有防松或自紧的性能。如果钢丝绳尾端用压板固定，固定强度不应低于钢丝绳破断拉力的（），且至少应有两个相互分开的压板夹紧，并用螺栓将压板可靠固定。A.
75%
B.
80%
C.
85%
D.
90%
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【单选题】Buoys are marked with reflective material to assist in their detection by searchlight.Which statement is TRUE ().
A.
A safe-water buoy will display red and white vertical stripes of reflective material
B.
All reflective material is white because it is the most visible at night
C.
A special-purpose mark will display either red or green reflective material to agree with its shape
D.
A preferred-channel buoy displays either red or green reflective material to agree with the top band of color
【单选题】Successful reflective responding can be characterized by
A.
a greater emphasis on speaking than listening.
B.
responding to abstract rather than personal points.
C.
following the other rather than leading him or her into areas that the listener thinks should be explored.
D.
suggesting or questioning what the speaker should be thinking or feeling.
E.
All of the above are characteristics of reflective responding.
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