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题库 / Prep2008E2-SC-208
The yield of natural gas from Norway's Troll gas field is expected to increase annually until the year 2005 and then to stabilize at six billion cubic feet a day, which will allow such an extraction rate at least for 50 years' production.
2005 and then to stabilize at six billion cubic feet a day, which will allow such an extraction rate at least for
2005 and then to stabilize at six billion cubic feet a day, an extraction rate that will allow at least
2005 and then stabilizing at six billion cubic feet a day, with such an extraction rate at the least allowing
2005, then stabilizing at six billion cubic feet a day, allowing such an extraction rate for at least
2005, then stabilizing at six billion cubic feet a day, which will allow such an extraction rate for at least
which只能指代某一个词，同位语可以指代一个概念
定语从句vs同位语从句。
A：非限制性定语从句的which可以指代前面的一句话，A的意思是增加和稳定两个动作事件一起指代了，但逻辑上应该是指代稳定这件事情。
B：同位语，指代稳定的开采速率。
简单题！错！错选d！！
考察：
并列；未画线部分并列
中： to increase and then to stabilize
没有好好对比bd；d明显不是并列，前面是todo，后面变成了then doing，doing，明显不对
多体会未画线部分，多对比选项才成选出最🈶️
extraction
n. 提取; 提炼; 拔出; 开采; 有…血统; 族裔; 拔牙;
加不加for的区别是什么呢？
will 后面要加动词原形！！天了噜我居然这样排出了B
平行，修饰