请教几道GMAT语法题目

zoe7670UID: 132251

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以下是新东方补充材料的几道题目，请高手指教。谢谢。zoe7670@yahoo.com.cn
260．Rising inventories, when unaccompanied correspondingly by increases in sales, can lead to production cutbacks that would hamper economic growth.
a. when unaccompanied correspondingly by increases in sales, can lead
b. when not accompanied by corresponding increases in sales, possibly leads
c. when they were unaccompanied by corresponding sales increases, can lead
d. if not accompanied by correspondingly increased sales, possibly leads
e. if not accompanied by corresponding increases in sales, can lead

答案E. 我的问题：如何排除B?

262. Sunspots, vortices of gas associated with strong electro-magnetic activity, are visible as dark spots on the surface of the Sun but have never been sighted on the Sun’s poles or equator.
a. are visible as dark spots on the surface of the Sun but have never been sighted on
c. appear on the surface of the Sun as dark spots although never sighted at

答案C. 我的问题：A错在哪里? C的“although never sighted at”这部分没错吗？

265．Research during the past several decades on the nature of language and the processes that produce and make it understandable has revealed great complexity instead of underlying simplicity.
a. that produce and make it understandable has revealed great complexity instead of underlying simplicity.
c. by which it is produced and understood has revealed not underlying simplicity but great complexity.

答案A. 我的问题：C错在哪里?

267. Even as they never forgave the Crusaders who overran their homeland, the Syrians have never absolved the French for taking territory from them.
a. Even as they never forgave

答案A. 我的问题：去掉Even句子的基本意思是否一样?

270．The Olympic Games helped to keep peace among the pugnacious states of the Greek world in that a sacred truce was proclaimed during the festival’s month.
c. world when they proclaimed a sacred truce for the festival month
d. world, for a sacred truce was proclaimed during the month of the festival

答案A. 我的问题：如何排除D?

DajUID: 18915

260

B is not right
since   leads -- >> lead
see the subject is    inventories  ?


262

A is wrong

have never been sighted on   -->>  have never sighted at


265
if C is right
then the sentence is  :


Research is produced and understood  by the nature of language and the processes  

do you think it is right ?


267 not the same
the   even as  means  even if  
in chinese   ,  a conj.    ji(2) shi(3)


270 you cannot add a sentence just after  FOR !!!