其实GMAT机经最大的作用在于提高同学们的语法部分，我们都知道在语法考试中，要求是比较严格的。因此在平时备考的时候，也要用心来备考，下面就来看看这次整理的GMAT机经吧!
1 XX jay moves to 一个地方 ——P开头的单词——has什consequence for人口，食物神马的
还有个选项：The Action of xx jay
(中间是破折号)
整理分析：
1) gmat语法中主谓一致
原题的主语moves …. Has 有主谓搭配问题
狗主的选项 action ….. has 就没有这个问题。
具体还是要看哪里划线
2) gmat语法中关于破折号
贴一下Mahattan的破折号用法
(1) 总结的gmat阅读技巧：破折号的用法很富有弹性，既可以作强调作用，也能充当冒号，分号。
(2) 总结的gmat阅读技巧：有时候为了突出主要内容或者解释时，破折号更佳。
EG: My three best friends-Danny, Jimmy, and Joey-and I went skiing. (用逗号意思就变7个人了)
(3) gmat语法中破折号还可以重复或者解释前半句的内容。但又和冒号不同，破折号不一定立刻放在被
解释内容之后。
EG: Post-MBA compensation for investment bankers tends to surge far ahead of that for management consultants-by tens, if not hundreds, of thousands of dollars a year.
Prep08-182. The organic food industry has organized a successful grassroots campaign—using Web sites, public meetings, and also mass mailings—that have convinced the Department of Agriculture to change the proposed federal regulations for organically grown food.
A. using Web sites, public meetings, and also mass mailings—that have convinced
B. using Web sites, public meetings, and mass mailings—that has convinced
C. by using Web sites, public meetings, and mass mailings—in convincing
D. by the use of Web sites, public meetings, as well as mass mailings—that convinced
E. which used Web sites, public meetings, and mass mailings—in convincing
答案B 破折号做插入语
Prep07-90 Archaeologists in Egypt have excavated a 5,000-year-old wooden hull that is the earliest surviving example of a "built" boat--in other words, a boat constructed out of planks fitted together--and that thus represents a major advance, in terms of boat-building technology, over the dugout logs and reed vessels of more ancient vintage.
(A) together--and that thus represents
(B) together--and this has represented
(C) together, and it represents
(D) together that was representing
(E) together to represent
答案A 破折号做插入语;虽然很长，并且中间有谓语;但是不影响主干的结构
Prep08-218. (GWD7-Q4) Only seven people this century have been killed by the great white shark, the man-eater of the movies—less than those killed by bee stings.
A. movies—less than those
B. movies—fewer than have been
C. movies, which is less than those
D. movies, a number lower than the people
E. movies, fewer than the ones
答案B 破折号在本题中有反讽或表达意外
Prep-235. (GWD-9-Q1) A mixture of poems and short fiction, Jean Toomer's Cane has been called one of the three best novels ever written by Black Americans—the others being Richard Wright, author of Native Son, and Ralph Ellison, author of Invisible Man
A. Black Americans—the others being Richard Wright, author of Native Son, and Ralph Ellison, author of Invisible Man
B. Black Americans—including Native Son by Richard Wright and Invisible Man by Ralph Ellison
C. a Black American—including Richard Wright, author of Native Son, and Ralph Ellison, author of Invisible Man
D. a Black American—the others being Richard Wright, author of Native Son, and Ralph Ellison, author of Invisible Man
E. a Black American—the others being Richard Wright's Native Son and Ralph Ellison's Invisible Man
答案E：破折号在这里的用处是补充说明主句的内容
OG13-132. Although appearing less appetizing than most of their round and red supermarket cousins, heirloom tomatoes, grown from seeds saved during the previous year—they are often green and striped, or have plenty of bumps and bruises—heirlooms are more flavorful and thus in increasing demand.
(A) Although appearing less appetizing than most of their round and red supermarket cousins, heirloom tomatoes, grown from seeds saved during the previous year
(B) Although heirloom tomatoes, grown from seeds saved during the previous year, appear less appetizing than most of their round and red supermarket cousins
(C) Although they appear less appetizing than most of their round and red supermarket cousins, heirloom tomatoes, grown from seeds saved during the previous year
(D) Grown from seeds saved during the previous year, heirloom tomatoes appear less appetizing than most of their round and red supermarket cousins
(E) Heirloom tomatoes, grown from seeds saved during the previous year, although they appear less appetizing than most of their round and red supermarket cousins
答案B;破折号 “-修饰”就进修饰; – they 修饰”they可能跳跃指代
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