题目：
When you buy something and pay for it with bills or coins, you are paying (11) . If you don’t have a (12) of bills and coins that exactly equals the price of the item, you may give the salesperson too much money. He or she will then give some money (13) you. The money you get back is called change. Look at this example.
Your husband is buying a color (14) The total price is ＄244.90. He gives the salesman ＄250.00-two hundred-dollar bills and one fifty-dollar bill. The salesman gives him back a (15) and a dime. Your husband’s change is ＄5.10.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B解析： 慢性前列腺炎患者前列腺液中免疫球蛋白升高，并超过血清水平。
