若“x2＞1”是“x＜a”的必要不充分条件，则a的最大值为（ ）
﹣1
–Do you know the man ________ visited the United States in February?
--Yes. He is Chinese Vice-President Xi Jinping. He said it was his _______ visit to the United States.
A．who; fifth
B．that; five
C．/; five
D．which; fifth
干舷
