采用二进制比特数越大的同一模拟量，其量化精度必然越高。( )
参考答案：对
For many cities in the world, there is no room to spread out further, ______ New York is an example.
A．for which
B．in which
C．of which
D．from which
遇到保卫员主动打招呼、递香烟、过分热情的是（）反应。
A、套近乎
B、尊重
C、迎合
D、心虑
