Though it is a mere one third of the population, the upper class makes up at least 25 percent of the nation’s wealth. This class has two parts: upper-upper and lower-upper. 62 , the upper-upper class is the “old rich” — families that have been wealthy for several generations — a nobility of 63 and wealth. A few are known across the nation, such as the Rockefellers, and the Vanderbilts. Most are not 64 to the general public. They have no 65 to the rest of the community, 66 their income from the investment of their inherited wealth. By 67 , the lower-upper class is the “new rich”. 68 they may be wealthier than some of the old rich, the new rich have been 69 to make their money like 70 else beneath their class. 71 their status is generally 72 than that of the old rich, who have not found it necessary to lift a finger to make their money, and who 73 to look down upon the new rich. However its wealth is 74 , the upper class is very rich. They have enough money and leisure time to __75 an interest in the arts and to 76 rare books and paintings. They generally live in exclusive areas, belong to exclusive social clubs, communicate with each other, and marry their own kind, all of which keeps them so 77 from the masses that they have been called the out-of- sight class. More than any other class, they tend to be 78 of being members of a class. They also 79 an enormous amount of power and influence here and abroad, as they _ 80 many top government positions. Their actions 81 the lives of millions. 请在(62)处填上最佳答案.