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最近发现许多同学做SC的题目依旧还是喜欢钻语法的牛角尖，所以今天Sofia老师通过两道例题带同学们进一步理解SC中逻辑语义的考察，语法是我们理解语义的工具，千万不要本末倒置了哦。

Emily Dickinson’s letters to Susan Huntington Dickinson were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumbering her letters to anyone else.

A Dickinson were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumbering

B Dickinson were written over a period that begins a few years before Susan’s marriage to Emily’s brother and ended shortly before Emily’s death in 1886, outnumber

C Dickinson, written over a period beginning a few years before Susan’s marriage to Emily’s brother and that ends shortly before Emily’s death in 1886 and outnumbering

D Dickinson, which were written over a period beginning a few years before Susan’s marriage to Emily’s brother, ending shortly before Emily’s death in 1886, and outnumbering

E Dickinson, which were written over a period beginning a few years before Susan’s marriage to Emily’s brother and ending shortly before Emily’s death in 1886, outnumber

解析：本题考查逻辑语义，A选项是高频错选，现在分词作状语，这里逻辑主语是没问题，但是修饰动词were written，无论表伴随还是表结果，语义都不合理，意思在说，信件在这个时间段被写了，所以数量才是最多的，这并不合理，比如我和A联系了一周，写了50封信，和B联系了一年，2封信，outnumber跟信件什么时间段被写是没有关系的，跟写给谁有关，所以需要的是作定语修饰letters。

B选项，逗号连接两个动词，句法结构错误

CD选项，无谓语动词

E选项，正确

Recently documented examples of neurogenesis , the production of new brain cells, include the brain growing in mice when placed in a stimulating environment or neurons increasing in canaries that learn new songs.

A. the brain growing in mice when placed in a stimulating environment or neurons increasing in canaries that

B. mice whose brains grow when they are placed in a stimulating environment or canaries whose neurons increase when they

C. mice' s brains that grow when they are placed in a stimulating environment or canaries' neurons that increase when they

D. the brain growth in mice when placed in a stimulating environment or the increase in canaries' neurons when they

E. brain growth in mice that are placed in a stimulating environment or an increase in neurons in canaries that

解析：这一题的解题关键在于，placed动作发出者，ABCD的placed的动作发出者都是brain，而这肯定是不合理的，应该是小鼠在一个刺激性的环境下，小鼠的大脑会生长，而不是把大脑拿出来放在一个刺激性的环境。