【简答题】Directions : In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the secon...
【单选题】The tradition of christening and commissioning a ship dates back to ancient times when the Greeks, Romans, Egyptians and Vikings called upon the gods to protect their ships and crew from the perilous ...
【判断题】Some times When the buyer cannot determine a specific port of discharge, he may require two or three ports to be written on the contract for option.