计算机里面的猫和老鼠指的是（）。
A、Modem and Mouse
B、Tomand Jerry
C、键盘和鼠标器
D、以上都对
参考答案：A
测定烟煤胶质层试验过程中，测定膨胀性的煤（一般是山形和之山混合型的煤样）时，730℃已到，但是体积曲线还没有走平线，应如何处理？
Nowadays it is not uncommon for a big, p schoolboy to elbow an elderly woman aside in the dash for the last remaining seat on the bus or tube, () stand up and offer his seat to her.
A. much less
B. not to mention
C. not to say
D. rather than
