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Which of the following statements is NOT tame?
A.
Body temperature may serve as an indication of a worker's performance.
B.
Taking body temperature at regular intervals can show how quickly a person adapts to the changes of routine.
C.
The selection of a number of permanent night shift workers has proved to be the best solution to problems of the round-the-clock working system.
D.
Disturbed sleep occurs less frequently among those on permanent night or day shifts.