23. 搜救用雷達應答機（SART）的探測距離，在一般狀況下至少須達多少浬？ (A). 2 (B). 3 (C). 4 (D). 5

8. For heaving anchor operation, “Anchor aweigh” in practice means: (A). at the moment that anchor leaves the ground. (B). the anchor is still in the water, between the ground and water surface. (C). at the water surface. (D). the anchor is clear from the water surface.