单项选择题

The information in the passage suggests that advocates of the Headland Hypothesis discussed in the passage made which of the following errors

(A) Failing to recognize the reciprocal relationship between foraging practices and the availability of carbohydrate-rich species
(B) Attributing the trade relations between agriculturalists and foragers to the differences in the nutritional qualities of various rain forest food products
(C) Overemphasizing the importance of carbohydrate-rich species to the diet of rain forest foragers
(D) Interpreting changes in rain-forest composition to the willingness of agriculturalists to trade with foragers
(E) Failing to observe the role of seed-disbursal in the ecological success of the sago palm

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单项选择题

Which of the following can be inferred concerning Freud’s psychological views

(A) Freud tended to be critical of all psychologists who did not support his view of the libido as the sexual drive of fulfillment.
(B) Freud tended to ascribe little importance to the hypothetical elan vital, even questioning its existence.
(C) Freud tended to restrict the notion of the libido to matters of human sexuality, ignoring its broader role as a life drive.
(D) Freud tended to view the libido as a mechanism of the conscious, but not of the collective or personal unconscious.
(E) Freud failed to acknowledge the role of the conflicting desires of the individual in shaping the human libido.

单项选择题

The author of the passage mentions the ’professional primitive’ role (line 15) assumed by foragers in their relationships with agriculturalists primarily in order to

(A) inform the reader of the potential cause of certain changes in rain forest composition
(B) suggest that foragers may have developed agricultural practices, then abandoned them in order to focus on more specialized food-gathering practices
(C) explain why certain food gathering practices may be less efficient sources of carbohydrates than others
(D) introduce new evidence for the interdependence between agriculturalists and foragers in the rain forest economy
(E) suggest that certain rain forest food products are healthier than others, though more difficult to obtain through foraging