如图是一个三输入端三个门电路组成的复合门电路,当C端输入“0”时,A、B端输入为何值时输出端Y输出为“0” ( )
A:0 0
B:0 1
C:1 0
D:1 1
— Chinese women's volleyball team won the gold medal in 2016 Rio Olympic Games.
—______ Chinese people were at that time!
郑和下西洋这一历史事件得以实现的主要原因是( )