单选题 Questions 17-19
Look at the following statements (Questions 17-19). Indicate:
TRUE if the statement agrees with information in the passage
FALSE if the statement contradicts information in the passage
NOT if the information is not given in the passage.
Write your answers in boxes 17-19 on your Answer Sheet.

填空题 Sleep deprivation can affect intellectual performance in adults. 　　　　______

填空题 Longer working hours have resulted in productivity increases.　　　　　　______

填空题 Companies have to be more active in preventing accidents caused by human factors.　　　　　　　　　　　　　　　　　　　　　　　　 　　______