皮皮学，免费搜题
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搜题
【单选题】
生理性心悸不包括()A.
剧烈运动
B.
精神过度紧张
C.
自主神经功能紊乱
D.
饮酒
E.
应用麻黄碱
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.
A.
to their final position with the winch operating at slow speed
B.
to the bar stop，and then hand cranked to their final position
C.
until just before they make contact with the limit switch，and then hand cranked to their final position
D.
to the embarkation deck，and then hand cranked to their final position