31. 圖示信號旗，係表示何數字？(A) 1(B) 4(C) 7(D) 9

31. 圖示信號旗，係表示何數字？

(A) 1
(B) 4
(C) 7
(D) 9

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統計： A(50), B(2), C(5), D(5), E(0) #3414904

詳解 (共 1 筆)

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B1 · 2025/09/22

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題目解析題目要求判別圖示中的信號旗所表...

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6. What light signal shall be exhibited for a vessel engaged on pilotage duty while underway? (A) At or near the masthead, two all-round lights in a vertical line, the upper being red and the lower white. Sidelights and a sternlight. (B) At or near the masthead, two all-round lights in a vertical line, the upper being white and the lower red. Sidelights and a sternlight. (C) At or near the masthead, two all-round lights in a vertical line, the upper being green and the lower red. Sidelights and a sternlight. (D) At or near the masthead, two all-round lights in a vertical line, the upper being red and the lower green. Sidelights and a sternlight.

31. 圖示信號旗，係表示何數字？

(A) 1
(B) 4
(C) 7
(D) 9

詳解 (共 1 筆)

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