31. When did the tradition of gift-giving become popular all over the world?
A. a long time ago
C. since the beginning of humans
B. thousands of years ago
D. since the beginning of industrialization
32. Which of the following is NOT true about gift-giving customs?
A. In France, wine is not considered a suitable gift for the hostess of a dinner party.
B. In Sweden, it is not customary to bring some wine or flowers when you are invited to a dinner party.
C. In Viet Nam, such things as scissors, knives and other sharp objects shouldn't be used as a gift.
D. In Singapore, it is unacceptable to open the gift right in front of the giver.
33. The phrase "associated with" is closest in meaning to
A. connected with
D. similar to
B. familiar with
C. informed of