Which statement is TRUE concerning a vessel equipped with operational radar?（）.<br>A:She must use this equipment to obtain early warning of risk of collision<br>B:The use of a radar excuses a vessel from the need of a look-out<br>C:The radar equipment is only required to be used in restricted visibility<br>D:The safe speed of such a vessel will likely be greater than that of vessels without radar

Which statement is TRUE concerning a vessel equipped with operational radar?（）.
A:She must use this equipment to obtain early warning of risk of collision
B:The use of a radar excuses a vessel from the need of a look-out
C:The radar equipment is only required to be used in restricted visibility
D:The safe speed of such a vessel will likely be greater than that of vessels without radar

出自：海船船员证

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