【单选题】Scientists have come up with a theory for why time flies when yon are having fun and drags when you are bored. Scans have shown that【62】of activity in the brain change depending on how we focus on a t...
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...