出国留学首选一诺留学

　　注意：不要为了追求简洁而删除介词短语：

　　◆ Too Short: I talked to the BOSTON SOLDIER.

　　◆ Better: I talked to the SOLDIER FROM BOSTON.

　　上面的例子中BOSTON SOLDIER 容易让我误解为一种特殊的士兵。所以对于这种介词短语不要轻易省略。但是对于OF 我们却可以进行转换：

　　A wall OF stone OR A stone wall

　　这里我们用到名词修饰的概念。但是对于有时间跨度，数量或有测量意思的词则不能用of 结构进行替换：

　　◆ Too Short: Memorial Day week OR Memorial Day’s week

　　◆ Better: the week OF Memorial Day

　　◆ Too Short: the merger year

　　◆ Better: the year OF the merger

　　◆ Too Short: the oxygen amount

　　◆ Better: the amount OF oxygen

　　◆ Too Short: the honeybee population density OR the honeybee population’s density

　　◆ Better: the density OF the honeybee population

　　下面我们列举了些在GMAT中认为太短表述不清的词：

　　◆ Too Short: Aegean Sea salt

　　◆ Better: salt FROM the Aegean Sea

　　◆ Too Short: Ural Mountain ore

　　◆ Better: ore FROM the Ural Mountains

　　◆ Too Short: Danube River access

　　◆ Better: access TO the Danube River

　　◆ Too Shor

　　例1：Africa's black rhino population in the mid-1970's numbered about 20,000, ten times the estimated population of 2,000 in 1997.

　　(A) the estimated population

　　(B) that of their estimated population

　　(C) more than the population's estimated amount

　　(D) more black rhinos than their population estimate

　　(E) more than that of their population's estimated amount

　　考点:习惯用语(Idiom) 简洁有效(Rhetorical Construction)

　　1) 倍数的表达

　　1)twice as many...as; twice as much...as; twice + the + n.; twice + what 从句

　　2)用动词表达数 double, triple, quadruple, quintuple, 可用主动语态,也可以用被动语态,但不能和

　　as 搭配

　　3)...times(或数字) + as + 形容词或副词 + as...或…times the + n

　　4) sb. be + 百分数 + more likely to do sth. than (to) do sth

　　分析答案：(A) 正确, 表达符合习惯用法,意思表达清晰,简洁

　　(B) that只能指代rhino population,从而跟后面的their estimated population意思重复

　　(C) the population’s estimated amount表达笨拙,复杂

　　(D) 表达复杂,笨拙;their没有指代对象。

　　(E) 表达复杂,笨拙,that指代rhino population和their population’s estimated amount意思重复;their没有指代对象。

　　句子结构: …population…numbered about 20,000, ten times the…

　　例2：Evolutionary psychology holds that the human mind is not a "blank slate," but instead that it comprises specialized mental mechanisms that were developed as a way of solving specific problems human ancestors faced millions of years ago.

　　(A) the human mind is not a "blank slate," but instead that it comprises specialized mental mechanisms that were developed as a way of solving

　　(B) the human mind is not a "blank slate" but instead comprises specialized mental mechanisms that were developed to solve

　　(C) the human mind, instead of a "blank slate," it comprises specialized mental mechanisms that have been developed to solve

　　(D) rather than it being a "blank slate," the human mind comprises specialized mental mechanisms that have been developed as a way of solving

　　(E) rather than the human mind's being a "blank slate," that it comprises specialized mental mechanisms that were developed as a way of solving

　　考点:简洁有效(Rhetorical Construction) 平行对称(Parallelism)

　　1) 连词前面的结构包括谓语动词,则连词后面平列结构也应该含有谓语动词

　　1)not …but…连接平行结构。

　　2)不定式表目的简洁有效。

　　分析答案：(A) the human mind is not a "blank slate," but instead that结构不平行; developed as a way of solving表达复杂,直接改为developed to solve表达目的

　　(B) 正确, the human mind is not a "blank slate" but instead comprises…结构平行; 用developed to solve表达目的,简洁

　　(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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