22. The reasoning in the manager s argument is flawed because the argument

(A) fails to acknowledge that the power industry might now believe nuclear 　　power plants to be unsafe even though this plant was not closed for safety 　　reasons
(B) overlooks the possibility that the soruces from which cheap power is 　　available might themselves be subject to safety concerns
(C) mistakes the issue of what the closure of the plant represents to the publie 　　for the issue of what the managers reason for the closure were
(D) takes as one of its premises¹ a view about the power industry s attitude 　　toward nuclear safety that contradicts the activist² s view
(E) counts as purely³ economic considerations some expenses that arise as a 　　result of the need to take safety precautions

23. Which one of the following if true, most strongly supports the activist s claim of victory?

(A) The plant had reached the age at which its operating license⁴ expired.
(B) The mandate⁵ for inspections⁶ and repairs mentioned by the manager was 　　recently enacted⁷ as a result of pressure from antinuclear groups.
(C) The plant would not have closed if cheap power from nonnuclear sources 　　had not been available.
(D) Per unit of electricity produced the plant had the highest operating costs of 　　any nuclear power plant.
(E) The plant that closed had been able to provide backup power to an electrical 　　network when parts of the network became overloaded⁸.

Questions 24-25

　　Statistician Changes in the Sun s luminosity correlate exceedingly well with average land temperatures on Earth. Clerly—and contrary to accepted opinion among meteorologists—the Sun s lumionsity essentially⁹ controls land temperatures on Earth.

　　Meteorologist: I disagree Any professional meteorologist will tell you that in a system as complicated as that giving rise to the climate, no significant aspect can be controlled by a single variable

24. The rejection¹⁰ by the meteorologist of the statistician s conclusion employs which one of the following techniques of argumentation?

(A) supporting a conclusion about a specific case by invoking¹¹ a relevant 　　generalization¹²
(B) producint a single counterexample that establishes that a generalization is 　　false as state
(C) reanalyzing a correlation¹³ as reflecting the multiple effects of a single cause
(D) rejecting a conclusion because it is a proposition that cannot be 　　experimentally tested
(E) pointing out that potentially unfavorable evident has been systematically¹⁴ 　　neglected

25. The reasoning in the meteorologist s counterargument questionable¹⁵ because that argument

(A) rejects a partial explanation, not because it is incorrect but only because it 　　is not complete
(B) fails to distinguish phenomena¹⁶ that exist independently of a particular 　　system from phenomena that exist only as part of the system.
(C) calls into question the existence of a correlation when the only real issue is 　　that of how to interpret the correlation
(D) dismisses a hypothesis on the grounds that is fail to deal with anymatters 　　of scientific significant
(E) appeals to the authoritativeness of an opinion without evaluating the merit of 　　a putative counterexample

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