考博考试

【单选题】 The main problem of the round-the-clock working system lies in______.
A．the inconveniences brought about to the workers by the introduction of automation
B．the disturbance of the daily life cycle of workers who have to change shifts too frequently
C．the fact that people working at night are often less effective
D．the fact that it is difficult to find a number of good night workers

网考网参考答案：B
网考网解析：
文中第二段指出工人们适应新的工作时间通常要5至7天，但shifts are changed every week，这就导致了workers spent neither working nor sleeping very efficiently，选项 B符合。 查看试题解析出处>>