看了解答也不明白OG11题目请教大家。

有几道OG11上的题目，看了解答也不是很明白。特请教XDJM。

OG11

75. Salt deposits and moisture threaten to destroy the M-D excavation in Pakistan, the site of an ancient civilization that flourished at the same time as the civilizations in the Nile delta and the river valleys of the Tigris and Euphrates.

C. that flourished at the same times those had.

Explanation:

The plural pronoun those cannot refer to the singular civilization and thus lacks a referent;

问题：

Those不是在指代civilizations in the Nile delta and the river valleys吗？

8． Rising inventories, when unaccompanied correspondingly by increases in sales, can lead to production cutbacks that would hamper economic growth.

D. if not accompanied by correspondingly increased sales, possibly leads

E. if not accompanied by corresponding increases in sales, can lead.

Explanation:

D. correspondingly increased sales is awkward and unclear.问题是: correspondingly（adv.）修饰increased( adj.)，然后再修饰sales( n.)吗？

E. corresponding modifies increases in the modifier is clear and comprehensible

134. Recently implemented “shift-work equations” based on studies of the human cycle have reduced sickness, sleeping on the job, fatigue among shift workers, and have raised production efficiency in various industries.

C. and fatigue among shift workers while raising

问题：while raising是有省略了“shift-work equations”are,

这样的话句子前后的时态就不一样了，一个是have,一个是are.

请楼主把题分开贴, 然后贴出全部选项. 这里还有些讨论连接,看看有没有帮助先.

http://forum.chasedream.com/dispbbs.asp?boardid=23&id=153179