单项选择题

Though it is a mere one to three percent of the population, the upper class possess at least 25 percent of the nation’s wealth. The class has two segments: upper-upper and lower-upper. (62) the upper-upper class is the "old rich "—families that have been wealthy for several generations—an aristocracy 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. Thus their status is generally lower than that of the old rich, who have not found it necessary to lift a (71) to make their money, and who (72) to 10ok down upon the new rich.
(73) its wealth is acquired, the upper class is very rich. They have enough money and leisure time to (74) an interest in the arts and to (75) rare books, paintings and sculptures. They generally live in exclusive areas, (76) to exclusive social clubs, communicate with each other, and marry their own kind—all of which keep 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 the (80) many top government positions and control multinational corporations. Their actions (81) the lives of millions.

79（）

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