允许速度大于120km/h的无缝线路上，钢轨顶面凹凸矢度不得大于（）。
A、0.1mm
B、0.2mm
C、0.3mm
D、0.5mm
参考答案：C
739×9-6138÷3最后进行______计算，结果是______．
Some people hold that, since we live in a money-oriented society, the average individual cares little about solving () problems.
A. anyone elses’
B. anyone’s else
C. anyone else’s
D. any one else’s
