Java中，用( )关键字定义常量。
A．final
B．#define
C．float
D．const
参考答案：A
“市井经纪之家……夜市直至三更尽，才五更又复开张。如耍闹去处，通晓不绝……”。材料反映的现象发生在[ ]
A．秦都咸阳
B．汉都长安
C．隋都长安
D．宋都东京
The girl _____ the US is my son's English teacher. [ ]
A. is from
B. comes from
C. from
D. of
