24. Which of the following does the author believe to be an essential quality needed by an effective teacher? (A) Authority. (B) Patience. (C) Humor. (D) Creativity.

29. Which of the following is NOT mentioned as a supporting statement in the passage? (A) Overeaters frequently handle their emotions by eating. (B) Most people who lose weight on a diet gain it back within a year. (C) One reason people are overweight is lack of exercise. (D) Overeaters do not want to change their eating habits.