【单选题】
When visibility is 10 nautical miles, we say that visibility is（）.
A、very good
B、good
C、poor
D、moderate
查看正确答案A、very B、good C、moderate D、poor
搜题
更多“When visibility is 10 nautical miles, we say that visibility is（）.”相关的问题
第4题
A、situations when you can see vessels on radar that you cannot see visually B、visibility of less than half a mile C、any condition where visibility is restricted D、visibility where you cannot see shore
第5题
A、Situations when you can see vessels on radar that you cannot see visually B、Visibility of less than half a mile C、Any condition where visibility is restricted D、Visibility where you cannot see shore
第6题
A、A.by long distance B、B.by the darkness at night C、C.by a vessel in front D、D.by fog or falling snow
第7题
A、is most accurate before sunrise B、is most accurate after sunset C、should only be observed when the Sun's lower limb is above the horizon D、is most accurate when the Sun's center is observed on the visible horizon
第8题
A、a watch which is kept with lower standard B、a watch which is kept when the ship isnt sailing C、a watch which is kept when the ship is sailing D、a watch which is kept when the ship is in a restricted visibility area
第9题
A、A. The ORA_ARCHIVE_STATE column visibility is controlled by the ROW ARCHIVAL VISIBILITY session parameter. B、B. The ORA_ARCHIVE_STATE column is updated manually or by a program that could reference activity tracking columns, to indicate that a row is no longer considered active. C、C. The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows only. D、D. The ORA_ARCHIVE_STATE column is visible if referenced in the select list of a query. E、E. The ORA_ARCHIVE_STATE column is updated automatically by the Oracle Server based on activity tracking columns, to Indicate that a row is no longer considered active.
