試題詳解

36. Which of the following is NOT suggested by thispassage as a way of saving money?
(A) When one eats out with family or friends, one should use coupons.
(B) When one shops for groceries, one should go to the supermarket closest to one’s house.
(C) When one is not home, one should plug off electrical appliances not in use.
(D) When one goes to work, one should carpool with friends instead of driving alone.