section 15-IV-24 25

Questions 24----25

In Peru, ancient disturbances in the dark surface material of a desert show up as light-colored lines that are the width of a footpath and stretch for long distances. One group of lines branching out like rays from a single point crosses over curved lines that form a very large bird figure. Interpreting the lines in the desert as landing strips for spaceship-traveling,an investigator argues that they could hardly have been Inca roads, asking, "what use to the Inca would have been closely spaced roads that ran parallel? That intersected in a sunburst pattern? That came abruptly to an end in the middle of an uninhabited plain".(invetigatior 的这一段话想说什么? 题干我没法读顺，请帮忙解释一下。谢谢！）
24. The argumentative strategy of the investigator quoted is to

(A) reject out of hand direct counterevidence to the investigator's own interpretation

(B) introduce evidence newly discovered by the investigator which discredits the alternative interpretation

(C) support one interpretation by calling into question the plausibility of the alternative interpretation

(D) challenge the investigative methods used by those who developed the alternative interpretation

(E) show that the two competing interpretations can be reconciled with one another

25. For someone who interprets the lines as referring to astronomical phenomena, which one of the following, if true, most effectively counters an objection that the crossing of the straight-line pattern over the bird figure shows that the two kinds of line pattern served unrelated purposes?

(A) IN areas that were inhabited by ancient native North American peoples, arrangements of stones have been found that make places where sunlight falls precisely on the spring solstice, an astronomically determined date.

(B) The straight lines are consistent with sight lines to points on the horizon where particular astronomical events could have been observed at certain plausible dates, and the figure could represent a constellation.

(C) The straight-line pattern is part of a large connected complex of patterns of straight-line rays connecting certain points with one another.

(D) Native Central American cultures, such as that of the Maya, left behind elaborate astronomical calendars that were engraved on rocks.

(E) There is evidence that the bird figure was made well before the straight-line pattern.