not argue that the complex use of narrators or of time shifts indicates a sophisticated structure
concentrate on those recalcitrant elements of the novel that are outside the novel s main structure
primarily consider those elements of novelistic construction of which the author of the novel was aware
20. The author of the passage suggests which of the following about Hamlet?
I. Hamlet has usually attracted critical interpretations that tend to stiffen into theses.
II. Hamlet has elements that are not amenable to an all-encompassing critical interpretation.
III. Hamlet is less open to an all-encompassing critical interpretation than is Wuthering Heights.
IV. Hamlet has not received a critical interpretation that has been widely accepted by readers.
I only
II only
I and IV only
III and IV only
I, II, and III only
The determination of the sources of copper ore used in the manufacture of copper and bronze artifacts of Bronze Age civilizations would add greatly to our knowledge of cultural contacts and trade in that era. Researchers have analyzed artifacts and ores for their concentrations of elements, but for a variety of reasons, these studies have generally failed to provide evidence of the sources of the copper used in the objects. Elemental composition can vary within the same copper-ore lode, usually because of varying admixtures of other elements, especially iron, lead, zinc, and arsenic. And high concentrations of cobalt or zinc, noticed in some artifacts, appear in a variety of copper-ore sources. Moreover, the processing of ores introduced poorly controlled changes in the concentrations of minor and trace elements in the resulting metal. Some elements evaporate during smelting and roasting; different temperatures and processes produce different degrees of loss. Finally, flux, which is sometimes added during smelting to remove waste material from the ore, could add quantities of elements to the final product.
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