, stringing memories and feelings in a way that few other stimulants (刺激物) can rival. It is a phenomenon marketing consultants have long recognized, but until recently have been unable to harness. “We’ve made great progress but the technology of odour production is still in its infancy,” says O’Riordan, “Who knows where it will take us.”31. Artificial smells have NOT been used in A cafesB banksC travel agenciesD supermarkets32. Researchers believe that introducing the “smell of money” into banks will encourage peopleA to spend moneyB to feel confident about banksC to earn more moneyD to withdraw money from banks33. The difficulty of producing the “smell of money” lies in thatA people’s attitudes toward money are differentB it’s hard to identify and analyze it C no technology can do itD experts have no motive34. The word “harness” in the last paragraph is closest in meaning to A seeB studyC controlD understand35. Researchers thinkA artificial smells help to improve people’s memoryB the technology to produce artificial smells is in the early stageC artificial smells are harmfulD the production of artificial smells is profitably