2. The best solution to implementing the 24-hour working system seems ___.
A. to employ people who work on night shifts only B. to create better living conditions for night workers
C. to change shifts at longer intervals D. to have longer shifts
3. Which of the following statements is NOT true?
A. Body temperature may serve as an indication of a worker s performance.
B. The employment of permanent night shift workers seems to be the best solution to problems of the round-the-clock working system.
C. Taking body temperature at regular intervals can show how a person adapts to the changes of routine.
D. Disturbed sleep occurs more frequently among shift workers.
4. It is possible to find out if a person has adapted to the changes of routine by measuring his body temperature because ________.
A. body temperature changes when the cycle of sleep and wakefulness alternates
B. body temperature changes when he changes to night shift or back
C. the temperature reverses when the routine is changed.
D. people have higher temperature when they are working efficiently.
5. The phrase coincide with could best be replaced by ____.
A. take place B. agree with C. accord to D. take up
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