GRE陈虎平逻辑10套-05-智课网.pdf

智课网GRE 备考资料 练习5 1. The universitys constitution defines the powers of 2.Comparison of the growth rings of ancient trees two governing bodies ．The general council, which enables scientists to determine from a piece of tim- currently retains authority over constitutional matters, ber the year in which the tree used for the tim- consists of all the universitys living alumni ．The ber was felled ．Hence, by analyzing the growth rings twenty-member senate decides routine matters by in timber surviving from ancient buildings, archaeolo- majority vote ．A new proposal suggests making a gists can determine precisely when those buildings unanimous vote in the senate sufficient to change the were constructed ． constitution ． Which of the following is an assumption on which If the statements above are true, which of the fol- the argument depends ？ lowing must follow on the basis of them ？ (A) The timber used for construction purposes in (A) The proposal will take effect only if it receives ancient times was made from very old trees ． the senates unanimous support ． (B) The timber that was used in ancient building (B) Currently each member of the senate has power construction had not, prior to being used in the of veto over any proposal that comes before construction of the buildings, lain unused for that body ． an indeterminable amount of time ． (C) Adopting the proposal would allow passage of (C) The growth rings of any tree felled in a given constitutional changes without the general year are identical to the growth rings of any councils appr