单项选择题

The article is mainly about ______.

A．how the normal human daily cycle works
B．how to deal with the problem of shift work
C．a research on the normal human daily cycle
D．how to work better

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热门试题

单项选择题

According to the passage, the main problem about night work is that ______.

A．people hate the inconvenience of working on night shifts
B．your life is disturbed by changing from day to night routines and back
C．not all industries work at the same hours
D．it is difficult to find a corps of good night workers

单项选择题

Fox hunting opponents often interfere in the game ______.

A．by resorting to violence
B．by taking legal action
C．by confusing the fox hunters
D．by demonstrating on the scene