lightning round 快答环节（在此环节中,时间是预先设定的,被问得人要尽可能回答出更多的问题在预定时间内）
现在进入快答环节here comes the lightning round(倒装）
A lightning round is a round of a game or contest in which the duration of the round is a pre-determined length of time,and the goal is typically to accomplish as much as possible within that period.The most common format of a lightning round is in a question-and-answer game,to answer as many questions as possible within a given time limit