第4部分：阅读理解(第31～45题，每题3分，共45分)
　　下面有3篇短文，每篇短文后有5道题，每道题后面都有4个选项。请仔细阅读短文并根据短文回答其后面的问题，从4个选项中选择1个最佳答案涂在答题卡相应的位置上。
　　第一篇 The Smell of Money
　　For many years large supermarkets have been encouraging us to spend money by pumping the smell of freshly-baked bread into their stories. Now Dale Air, a leading firm of aroma (香气) consultants, has been approached by Barclay’s Bank to develop suitable artificial smells for their banks. Researchers have suggested that surrounding customers with the “smell if money” will encourage them to feel relaxed and optimistic and give them added confidence in the bank’s security and professionalism.
　　But before a smell can be manufactured and introduced into banks’ air conditioning systems. It must be identified and chemically analyzed, and this has proved to be difficult. The problem is that banknotes-and coins tend to pick up the smell of their surroundings. So cash that has been sitting in a cash register at a fishmonger’s (鱼贩) will smell of fish, and banknotes used to pay for meals in restaurants will tend to smell of food.
　　It may be a challenge, but aroma experts have little doubt that the use of artificial smells can be an effective form of subconscious advertising. Lunn Poly, a British travel company, introduced the smell of coconuts (椰子) into its travel agencies and saw a big increase in spending by holiday makers. Many cafes now have electric dispensers (自动售货机) that release the smell of freshly roasted coffee near their entrances, subtly encouraging customers to come in and have a drink or snack. Even prestigious car maker Rolls-Royce has been spraying the inside of its cars to enhance the smell of the leather seats.
　　“The sense of smell is probably the most basic and primitive of all human sens