单选题 Cet-6-3.8-Exercise.mp3 Questions 9 to 11 are based on the passage you have just heard. 9. A) It may deprive a team of business opportunities.B) It helps employees to reduce their stress.C) It may give rise to a lot of unnecessary expenses.D) It prevents employees from feeling bored.10. A) All workers experience some emotional stress.B) Cognitive features of different newly born mammals.C) Humor can help workers excel at routine tasks.D) Similarities between human babies and baby animals.11. A) Stop making unfair judgements of others.B) Smash the toys to release their bottled-up resentments.C) Make up his mind to start all over again.D) Take the boss doll apart as long as they reassemble it Question 10