单项选择题

From paragraph 4 we can infer that ______.

A．the increasing concentration is certain to hurt consumers
B．WorldCom serves as a good example of both benefits and costs
C．the costs of the globalization process are enormous
D．the Standard Oil Trust might have threatened competition

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单项选择题

Which of the following would be the best title for the passage

A．Discovering the Natural Laws of Apples.
B．The Use of Induction.
C．Experimental Verification as an Adjunct to Reasoning.
D．The Logic of Everyday Reasoning.

单项选择题

The underlined term natural law as it appears in the middle of the second paragraph refers to _______.

A．common sense
B．the "honor system"
C．the result of an induction
D．the order of nature