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发布时间：2006-06-22 13:31     点击：

　　(B) The australopithecine bones found in the caves were those of adult males, adult females, and juveniles.

　　(C) Evidence of the use of fire was absent from the caves in which the collections of bones were found.

　　(D) Marks on the bones, including the bones of the australopitecines, are consistent with teeth marks of large catlike animals of the period.

　　(E) The bones in the cave did not include bones of an elephantlike animal that existed in the area at the time of the australo-pithecines.

　　24. During the Second World War, fighter pilots watched for enemies in the sky by direct visual perception. The pilots had to turn their heads frequently in order to look to their rear, and so calisthenics to develop neck muscles were part of their training. Today, with electronic instru- ments, pilots never need to look to the rear. Their ability to detect slight changes on elec- tronic dials and gauges is more significant than their keenness of long-distance vision or their developed musculature.

　　The information above best supports which of the following conclusions?

　　(A) The reliance on increasingly sophisticated electronic instruments in air combat situations will soon make human pilots superfluous.

　　(B) Visual acuity is of little help in air combat today because of the terrific speeds at which modern aircraft approach each other.

　　(C) Fitness with regard to military service must always be defined in terms of the demands combat situations place on combatants.

　　(D) The performance of pilots will necessarily decline if the strenuous physical conditioning programs employed in the past are not continued.

　　(E) Revisions of military training programs at frequent intervals can guarantee adapt- ability to the demands of future combat situations.

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