37. A vessel must ______ with caution in this area due to poor visibility. (A)sale (B)process (C)blast (D)navigate

39. 翻譯：下一個轉向點約在2小時後。 (A)The time to the next reporting point is about 2 hours later. (B)The time to the next anchorage point is about 2 hours later. (C)The time to the next passing point is about 2 hours later. (D)The time to the next way point is about 2 hours later.