很多考生在备考的过程中希望了解GMAT以前的考试试题，希望能够通过对以往考试真题的分析，了解语法考试难度，为了方便大家进行学习，本文小编为大家整理了2015年11月GMAT语法真题回顾及解析，一起来了解一下。
1、While的用法
相关知识点
a.强对比：Recently implemented "shift-work equations" based on studies of the human sleep cycle have reduced sickness, sleeping on the job, and fatigue among shift workers while raising production efficiency in various industries.
b.让步：While all states face similar industrial waste problems, the predominant industries and the regulatory environment of each state obviously determine the types and amounts of waste produced, as well as the cost of disposal.
类似考题
In January 1994 an oil barge ran aground off the coast of San Juan, Puerto Rico, leaking its cargo of 750,000 gallons into the ocean, while causing the pollution of the city’s beaches.
A.leaking its cargo of 750,000 gallons into the ocean, while causing the pollution of
B.with its cargo of 750,000 gallons leaking into the ocean, and it pollutedC.and its cargo of 750,000 gallons leaked into the ocean, pollutingD.while it leaked its cargo of 750,000 gallons into the ocean and caused the pollution of
E.so that its cargo of 750,000 gallons leaked into the ocean, and they were polluting
After several years of rapid growth, the healthy care company became one of the largest health care providers in the metropolitan area, while it then proved unable to handle the increase in business, falling months behind in its payment to doctors and hospitals.
A.while it then proved unable to handle the increase in business, falling months behind in its payment toB.while it then proved unable to handle the increase in business and fell months behind in its payment toC.but then it proved unable to handle the increase in business, falling months behind in its payingD.but then proving unable to handle the increase in business, falling months behind in payingE.but then proved unable to handle the increase in business, falling months behind in paying
2、unlike
相关知识点：unlike/like/different from/in contrast with (to)
(as) compared with (to)
类似考题
Like the grassy fields and old pastures that the upland sandpiper needs for feeding and nesting when it returns in May after wintering in the Argentine Pampas, the sandpipers vanishing in the northeastern United States is a result of residential and industrial development and of changes in farming practices.
A. the sandpipers vanishing in the northeastern United States is a result of residential and industrial development and of changes inB. the bird itself is vanishing in the northeastern United States as a result of residential and industrial development and of changes inC. that the birds themselves are vanishing in the northeastern United States is due to residential and industrial development and changes toD. in the northeastern United States, sandpipers’ vanishing is due to residential and industrial development and to changes inE. in the northeastern United States, the sandpipers’ vanishing, a result of residential and industrial development and changing
3、第一个sc更简单，就是on winter day, truck drivers....，把on winter day放到前面，否则modifiers have very ambiguous referenceson winter day是modify truck drivers, they see it on winter day
to prevent ....是modify salt spread
类似考题
Despite the growing number of people who purchase plane tickets online, airline executives are convinced that, just as one-third of bank customers still prefer human tellers to automatic teller machines, many travelers will still use travel agents.
A.growing number of people who purchase plane tickets online, airline executives are convinced that, just as one-third of bank customers still prefer human tellers to automatic teller machines, many travelers will
B.growing number of people who purchase plane tickets online, airline executives are convinced, just as one-third of bank customers still prefer human tellers to automatic teller machines, that many travelers would
C.growing number of people purchasing plane tickets online, airline executives are convinced, just as one-third of bank customers still prefer human tellers as compared to automatic teller machines, many travelers will
D.fact that the number of people purchasing plane tickets online is growing, airline executives are convinced, just as one-third of bank customers still prefer human tellers as compared to automatic teller machines, that many travelers would
E.fact that the number of people who purchase plane tickets online are growing, airline executives are convinced that, just as one-third of bank customers still prefer human tellers compared with automatic teller machines, many travelers would