C. 在提出增加过桥费和过桥费实际增长的生效期间，很多通勤者买更多“优惠券”以延缓增长效果。即使延缓效果postpone the effects，但终将会达到目标，方案依旧有效
D. 上次许多人换了线路，如果再收费，那么可能将会有更多的人换线路，故难以达成目标

A. 不是 contrasting explanations for a “phenomenon”
B. 不是例外
C. 是在质疑第一段的claim：TQM can work successfully in conjunction with two older management systems.

main point 就是conclusion

AB. her work和Leakey并列，错误
C. Leakey是个contributor，错误
DE. 所有格形式的，是可以用her，his，its，their 等指代的，但是却不能用she，he／him，it等指代，故DE正确
E. discovery和documentation并列，错误

错误原因：第一句黑体字前面一句理解错误

a can be explained as b = a b 是同一事物
a can be explained by b = b解释a

AE. run-on
C. that在each后面，错误。且 it's not true that each structure was connected with a road system. instead, the road system connected all of the structures with each other.
D. each错误，且... and (scale) with ...错误

控制效率一样，油多则结论成立

D-就算事故率高但不妨碍用了好的安全带降低损伤（研究的是损伤严重程度问题而非频率）

do research on sth.
research sth.

TQM shares with such systems the ultimate objective of increasing profitability. 两个老管理系统和TQM三者都是为了增加利润

D. The blue butterfly was infected by the virus蓝蝶感染了用来控制兔子数量的病毒，错误

biocontrol agents “more selective than most chemical pesticides” 生物方法比化学方法更具选择性
（biocontrol agents） selective （than most chemical pesticides） in that they ordinarily destroy only unwanted species 生物方法只摧毁固定的不想要的物种，they指的是biocontrol
但后文说biocontrol有潜在影响，所以其实二者都对其他物种有影响，故A错误

a connection between "trade goods came to the area" and "trade goods came to this camp".注意区分camp和region，traders在这一块区域内活动，不代表每一个camp都会有goods，这是一个weaken，反过来，要是说每个camp都有goods，这就是strengthen

B. The argument says that the camp is pre-1630 since there were no European trade goods. The gap in logic is that anything that is post-1630 must have European trade goods
C. Just because they were preserved by those who had them, doesn't mean all would have them.

第一句：Unfortunately, the seeds themselves are quite expensive, and the plants require more fertilizer and water to grow well than normal ones
第二句：since consumer demand for grains, fruits, and vegetables grown without the use of pesticides continues to rise
题有误

黑线划错地方了，麻烦改一下。
第一句：Unfortunately, the seeds themselves are quite expensive, and the plants require more fertilizer and water to grow well than normal ones
第二句：since consumer demand for grains, fruits, and vegetables grown without the use of pesticides continues to rise

B. 提出一个尚未被回答的问题，错误，只是有的新的发现，推翻了以前两个推论

第一段在文中介绍了原理，第二段提出让步
作者总体的态度还是对这种方法表示肯定

加强或不能削弱

What conclusion can be drawn, for example, from Allen's discovery that Puritan clergy who had come to the colonies from East Anglia were one-third to one-half as likely to return to England by 1660 as were Puritan ministers from western and northern England? We are not told in what way, if at all, this discovery illuminates historical understanding.
Allen发现了这个现象能得出什么结论呢？我们并没有被告知，如果有结论的话，这将会点亮对历史的理解。
D. Allen的discovery只是个事实，并没有被解释