OG 80, help!

sxmeimei

OG 80:

Salt deposits and moisture threaten to destroy the Monhenjo-Daro 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.

The answer is A, but I am confused, where is the verb for the main sentence?

Thanks for any  help in advance!

[SHADOW=255,blue,1]650[/SHADOW]

cqgmat

threaten

sxmeimei

Thanks,  cqgmat MM.

I feel so bad!

motorola00

Salt deposits and moisture threaten to destroy the Mohenjo-Daro 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.
(A) that flourished at the same time as the civilizations
(B) that had flourished at the same time as had the civilizations
(C) that flourished at the same time those had
(D) flourishing at the same time as those did
(E) flourishing at the same time as those were

1）为什么说those 无指代对象？
2）D,E中为什么flourishing 不对而必须用 that flourished...? that 从句修饰的是site or civilizations?

wikeypig

1）those 指的是 an ancient civilization
2）好象修饰civilizations

m163z

在og中讲的是those无无指代对象是说在比较中，前面的的对象是an ancient civilization ，是一个单数，而those是复数，因此它不能代替前面的“文明”。如果换成that就对了！   
不用flourishing 的原因是这个动作早已结束，用正在进行时不对！

ca3ltoys

I got confused with the tense here, can I  understand this way? past perfect tense means the events have lasted a period of time before, and past tense means the events happened right on an exact point of time before?

ca3ltoys

UP

turtlechen

Try here to learn more on
http://www.englishfree.com.cn/gb/dictionary/
Type in 完成式
and check
语法辞典
包含匹配

[此贴子已经被作者于2004-1-10 7:26:33编辑过]

小彩

hi,关于做定语的时候用分词还是从句，我昨天总结了一下，请看看是否可参考：


"that+过去时"有一种强调该动作已经过去，现在已经结束的意思(completed action)
而"ing"则表示该动作仍然持续者(ongoing action)（也因此适用于一般规律）


请看以下几个例子：
OG1. a divorce that occurred when they were children...讲的小时候的事，已结束
OG80.an ancient civilization that flourished at the same time as..以前的事情，现在不再flourish了
OG102.a concert performance that the composer himself staged in 1911...1911年的事儿，不能用staging修饰


OG199,a quake of comparable magnitude occurring in the west...一般描述，现在并没有结束
OG113.Visitors have often seen monkeys sleeping on the branches...没有结束，并且和前面的现在时态一致