62. What can we learn from the first paragraph?
    A) Americans are never satisfied with their incomes.
    B) Americans tend to overstate their incomes.
    C) Americans want to have their incomes increased.
    D) Americans want to increase the purchasing power of their incomes.
    63. What is the main idea of the second paragraph?
    A) Mechanized production can satisfy the consumers.
    B) Consumers can express their demands through producers.
    C) Producers decide the prices of products.
    D) Supply and demand regulate prices.examda.com
    64. According to the passage, a private enterprise economy is characterized by .
    A) private property and rights concerned C)ownership of productive resources
    B) manpower and natural resources control D)free contracts and prices
    65. The passage is mainly about .
    A) how American goods are produced B)how American consumers buy their goods
    C) how American economic system works D)how American businessmen make their profits
    66. The word “embraces” (Line 4, Para.3) may convey the meaning of .
    A) hugs B) includes C) excludes D) demands