【单选题】Approaching a anchorage in fog, you hear one short, one prolonged, and one short blast in that sequence on a ship’s whistle. This indicates ______.
A.
A vessel towed
B.
A vessel not under command and unable to maneuver.
【简答题】Section A Short Conversations-Directions: In Section A, you will hear ten short conversations between two speakersI. Listening Comprehension Section A Short Conversations Directions: In Section A, you...