【单选题】Section A Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. The dialogues and the...
【简答题】Ladies and gentlemen, Our plane is descending now. Please be seated and fasten your seat belt. Seat backs and tables should be _________ to the______________. All personal computers and electronic dev...