(C) 代词it指代the human mind,用在此处多余，存在两个主语，句子结构错误; instead of a "blank
slate”意思表达不清; developed as a way of solving表达啰嗦。
(D) rather than it being a "blank slate,"结构表达复杂,且it多余应该删掉; developed as a way of
solving表达复杂
(E) 整个句子结构表达笨拙,复杂，两个that从句之间缺少连词; developed as a way of solving表达复
杂
句子结构: …holds that the human mind is not a….but instead comprises…
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Paleontologist Stephen Jay Gould has argued that many biological traits are not the products of
simply random by-products of other evolutionary developments. (A) due to their enhancement of reproduction or survival, but that they are
(B) due to the reproduction or survival they enhance, but they are (C) because they enhance reproduction or survival, but (D) because they enhance reproduction or survival, but are (E) because of enhancing reproduction or survival, but are
考点: 逻辑表达（Logical Predication） 平行对称（Parallelism）
1) 介词短语:on account of, because of, despite (in despite of), as a result of, due to之后只跟简单的
名词短语。若其后面跟的是动名词或名词所有格+动名词短语(sb’s doing),或名词短语之后用一复杂的 现在分词来修饰时或后面跟动词的抽象名词形式,应改为与其相同意义的连词because, although等引 导的从句形式。
2) but的用法: but做介词,表示除了… 例:No one has read it but the students. 或者用在词组not…
but…举行中,作连词表示不是,而是的意思, 例: The plan caused not prosperity but ruin.
(A) due to +动词的抽象名词形式,表达不够有效；not…but…连接的结构不平行。
(B) due to +动词的抽象名词形式,表达不够有效; they多余, 破坏了 sth/sb be not… but (be)…的结构
(C) but可能作为介词,产生because they enhance reproduction or survival, but simply random
by-products的歧意
(D) 正确，but are表明了but在这里只能作为连词,构成be not… but (be)…的平行结构
(E) because of +动名词形式,表达不够有效
句子结构: …has argued that …traits are not the products…,favred because…, but are…
favored…结构作为插入语修饰 products of natural selection
75. (28597-!-item-!-188;#058&003702)
known to humans. (A) has for centuries been slowly weaving its way through the roots of trees, to become
(B) has slowly woven its way through the roots of trees for centuries, and so becoming
(C) that has been slowly weaving its way through the roots of trees for centuries has become (D) that has for centuries slowly woven its way through the roots of trees and has become (E) that, having slowly woven its way through the roots of trees for centuries, to become
