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單項(xiàng)選擇題

No navigational aids are shown and the chart is not kept corrected for alterations in depths inside the pecked lines. For more detailed information，the larger scale charts must be （）.

A.referred to
B.appreciated
C.met with
D.concerned

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單項(xiàng)選擇題

Owing to old data of the survey the positions and number of the beacons shown on this chart are not to be （）.

A.considered
B.insured
C.relied upon
D.suspected

單項(xiàng)選擇題

Positions read from this chart should be moved 0.08 minutes Southward and 0.13 minutes Eastward so as （） adjoining chart 344.

A.to agree upon
B.in accordance with
C.to be same as
D.to agree with

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