下面是培臻教育小编为大家整理的一篇关于LSAT考试逻辑推理练习题（20）的文章，供大家参考，下面是详细内容。
41.If the author’s argument were challenged on the groundsthat the construction of buildings has adverse effects on the naturalenvironment, which of the following replies might the author use to respond tothe challenge logically?
(A) There are human activities, such asmaking music, that are environmentally harmless.
(B) Harming the environment is not an end,of purpose, of the arts of life.
(C) The construction could involve the useof natural, not artificial, materials.
(D) Constructing buildings is not an“art
of life.”
(E) Even if the natural environment isdisturbed by the construction of buildings, it is improved for human
42.There are at least three people in theroom. At most two people in the room recognize each other. At least one personin the room recognizes everybody else in the room.
Which one of the following is NOT consistentwith the above?
(A) Four people are in the room
(B) No two people in the room recognize eachother.
(C) At most one person in the roomrecognizes everybody else in the room.
(D) Anyone in the room who recognizes anyother person in the room is also recognized by that person..
(E) Two people in the room recognize everyone else in the room.
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