All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual’s（）.<br>A:blood<br>B:breath<br>C:urine<br>D:All of the above

All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual’s（）.
A:blood
B:breath
C:urine
D:All of the above

出自：海船船员证

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