中国移动的员工要以（）为安身立命的根本。
A.卓越品质
B.忧患意识
C.责任
D.任务
参考答案：C
道岔设备进行检修后，应做哪些实验？如何进行？
These football players were not specially________until they joined our club.[ ]
A．educated
B．exercised
C．practised
D．trained
