一道GWD争议题 请求大家讨论下

Margaretcity

GWD1-Q41: (爭議題)




Leaching, the recovery of copper from the drainage water of mines, as a method of the extraction of minerals, it was well established as early as the eighteenth century, but until about 25 years ago miners did not realize that bacteria take an active part in the process.



A. as a method of the extraction of minerals, it was well established

B. as a method of the extraction of minerals well established

C. was a well-established method of mineral extraction

D. was a well-established method of extracting mineral that was

     E. had been a method of mineral extraction, well established

请教一下大家对于这道题的解释

formylove

选C??
感觉好像每个都不是很正确。
自我感觉extraction of minterals 不正确。。。

答案？？

Jmelon

以前有讨论的题，去语法区多搜索一下，所有GWD题目都有讨论

http://forum.chasedream.com/dispbbs.asp?boardID=23&ID=59318&page=1



http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=58705&replyID=511262&skin=1



http://forum.chasedream.com/dispbbs.asp?boardid=23&star=2&replyid=537694&id=61579&skin=0&page=1



http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=78191



http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=80120

Margaretcity

C或者E两者

Margaretcity

谢谢 Jmelon
刚看到讨论区 答案是C

kenyonzhu

首先排除AB,其次排除E，时态不可随便改
剩CD,但是D明显比C啰嗦

jeffjarrett

选C。

GWD不少老题直接用尺子量一下答案可以直接选出~（just for fun~）

首先排除用了had been的E，A和B比较，A比B好。但是A在提出问题之后没有马上解答，绕了两下，所以A没有C和D好。

再比C，D。D中的that was读起来无比恶心，所以选C了。

genius_fang

A错在逗号后面那个it多余了，省去的话就可以选A！