【正文】 he author cites air pollution from motor vehicles in lines 5456 in order to (A) revise cost estimates calculated by including the costs of resources (B) evaluate legal methods used to prevent technological developments (C) give examples of costs not included in buyerseller bargains (D) refute hypotheses not made on the basis of moary exchange values (E) mend technological research undertaken for the mon welfare 19. According to the passage, transactions between private buyers and sellers have effects on society that generally (A) are harmful when all factors are considered (B) give rise to everincreasing resource costs (C) reflect an optimal allocation of natural resources 中國最大的管理資源中心 (大量免費(fèi)資源共享 ) 第 10 頁 共 18 頁 (D) enpass more than the effects on the buyers and sellers alone (E) are guided by legal controls on the development of technology 20. It can be inferred from the passage that the author does NOT favor which of the following? (A) Protecting the environment for future use (B) Changing the balance of power between opposing interests in business (C) Intervening in the activity of the free market (D) Making prices reflect costs to everyone in society (E) Causing technological development to cease 21. A gasolineconservation tax on the purchase of large automobiles, with the proceeds of the tax rebated to purchasers of small automobiles, is an example of (A) a specific directive (B) a market incentive modification (C) an optimal resource allocation (D) an alteration of a decisionmaking structure (E) an external cost 中國最大的管理資源中心 (大量免費(fèi)資源共享 ) 第 11 頁 共 18 頁 22. If there were no external costs, as they are described in the passage, which of the following would be true? (A) All technologycontrol methods would be effective. (B) Some resource allocations would be illegal. (C) Prices would include all costs to members of society. (D) Some decisionmaking structures would be altered. (E) The availability of mon goods would increase. 23. The author assumes that, in determining what would be an optimal allocation of resources, it would be possible to (A) assign moary value to all damage resulting from the use of technology (B) bine legal methods to yield theoretical optimum (C) convince buyers to bear the burden of damage from technological developments (D) predict the costs of new technological developments (E) derive an equation making costs depend on prices 24. On the basis of the passage, it can be inferred that the author would aGREe with which of the following statements concerning technological development? (A) The government should own technological operations. 中國最大的管理資源中心 (大量免費(fèi)資源共享 ) 第 12 頁 共 18 頁 (B) The effects of technological development cannot be controlled. (C) Some technological developments are beneficial. (D) The current states of technological development results in a good allocation of resources. (E) Applications of technological development are criminally destructiv