Any alteration of course and／or speed to avoid collision shall if the circumstances of the
专四
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Any alteration of course and/or speed to avoid collision shall，if the circumstances of the case admit，()to another vessel observing visually or by radar.
A.Be large enough to be readily apparent
B.Be a succession of small alterations
C.Be with due regard to the power and speed of the vessel
D.Leave sufficient room for the other vessel to take action
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