Wu Yifan: Nice to meet you, Mike.
Mike: __________
A:Good morning, Wu Yifan.
B:Nice to meet you, too.
C:My name is Wu Yifan.
D:Fine, thank you.
AB是抛物线y2=2x的一条焦点弦,|AB|=4,则AB中点C的横坐标是( )
网上是个虚假世界,里面卖的东西都是假的。( )
2.78÷1.2,商是2.3时,余数是( )