17.所有逃生路線已淨空。 (A)All escape routes were blocked. (B)All escape routes were clear. (C)All escape routes were checked. (D)All escape routes were flooded.

8.翻譯：危險急迫嗎？是的，有穩定度減小的危險。 (A)Is danger imminent? Yes, danger of damage by sea. (B)Is danger imminent? Yes, danger of decreasing stability. (C)Is danger imminent? Yes, danger of breaking apart. (D)Is danger imminent? Yes, danger of environmental pollution.