两道语法题，很迷惑，谢谢

celiababy2

In1852 Robert Angus Smith published a detailed report

of the chemistry of rain kin a large area around the city of

Manchester, England ,noting that the closer one came to

town, the more the city air would become increasingly acidic

	that the closer one came to town, the mote the city air would become increasingly acidic
	that the city air became increasingly acidic the closer one came to town
	that coming closer to town, the city air became increasingly acidic
	that the more the city air became increasingly acidic, the closer one was to town,
	the city air becoming increasingly acidic as one would come closer to town

答案是a，但是我选的是C我觉得后面分居的主体应该是the city air 吧， one 不是太清楚指代的是谁

kiwifoodtown

第一题是the more........the more.......的结构形式。

DUKB24

Using a criterion based on an object's color, astronomers recently identified 23 galaxies so distant from Earth that their light has taken 85 percent of the age of the universe to reach us.


 astronomers recently identified 23 galaxies so distant from Earth that their light has taken  
 astronomers recently identified 23 galaxies that were so distant from Earth for their light to take  
 astronomers recently identified 23 galaxies to be so distant from Earth such that their light takes  
 23 galaxies were recently identified by astronomers to be so distant from Earth for their light to take  
 23 galaxies were recently identified by astronomers as so distant from Earth their light has taken

-- by 会员 celiababy2 (2012/10/24 9:31:19)

so .... that is being tested here


present perfect is legally used here


has taken here means:


this event happened in the past (here you get simple past)


if this event has continuing effect or relevent to the current topic


here you get present perfect


B: so that is no used correctly


C. such that is wrong

celiababy2

应该是PREP 或者是 GWD的答案吧

celiababy2

为什么不能选B呢我觉得A 答案很奇怪的，后面用的时态是HAS TAKEN

celiababy2

Using a criterion based on an object's color, astronomers recently identified 23 galaxies so distant from Earth that their light has taken 85 percent of the age of the universe to reach us.


 astronomers recently identified 23 galaxies so distant from Earth that their light has taken  
 astronomers recently identified 23 galaxies that were so distant from Earth for their light to take  
 astronomers recently identified 23 galaxies to be so distant from Earth such that their light takes  
 23 galaxies were recently identified by astronomers to be so distant from Earth for their light to take  
 23 galaxies were recently identified by astronomers as so distant from Earth their light has taken

DUKB24

what is your source of this problem？official source？prep12？

。。。where is the second problem。。。