D) The man is quite optimistic about human nature.
14. A) Study for some profession.
B) Attend a medical school.
C) Stay in business.
D) Sell his shop.
15. A) More money.
B) Fair treatment.
C) A college education.
D) Shorter work hours.
16. A) She was exhausted from her trip.
B) She missed the comforts of home.
C) She was impressed by Mexican food.
D) She will not go to Mexico again.
17. A) Cheer herself up a bit.
B) Find a more suitable job.
C) Seek professional advice.
D) Take a psychology course.
18. A) He dresses more formally now.
B) What he wears does not match his position.
C) He has ignored his friends since graduation.
D) He failed to do well at college.
Questions 19 to 22 are based on the conversation you have just heard.
19. A) To go sightseeing.
B) To have meetings.
C) To promote a new champagne.
D) To join in a training program.
20. A) It can reduce the number of passenger complaints.
B) It can make air travel more entertaining.
C) It can cut down the expenses for air travel.
D) It can lessen the discomfort caused by air travel.
21. A) Took balanced meals with champagne.