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题库 / Prep2008E2-SC-186
The greatest road system built in the Americas prior to the arrival of Christopher Columbus was the Incan highway, which, over 2,500 miles long and extending from northern Ecuador through Peru to southern Chile.
Columbus was the Incan highway, which, over 2,500 miles long and extending
Columbus was the Incan highway, over 2,500 miles in length, and extended
Columbus, the Incan highway, which was over 2,500 miles in length and extended
Columbus, the Incan highway, being over 2,500 miles in length, was extended
Columbus, the Incan highway was over 2,500 miles long, extending
B. and使得was和extended平行，主语都是the road system，但是system不能够extended
C. 全文没有谓语动词，the greatest ... Columbus是the Incan highway的同位语，which引导highway的定语从句，句子不完整
D. comma+Ving形式只能够表示伴随，自然而然的结果和解释说明,being over 2500 miles in length不满足上面任何一种。was extended是被动语态，highway不是被动extend的
E. right！The greatest ... Columbus是the Incan highway 的同位语。comma+Ving表示解释说明，从哪儿到哪儿更详细的说明了2500miles long
注意从句的谓语动词缺失登录 或 注册 后可以参加讨论
1.句子结构，C没有谓语，A的which后面缺少主语谓语，AC错
2.平行，A的动词不平行，A错
3.句意推理，extend的逻辑主语应该是highway而不是system，B错
extend后面接adverb/preposition/distance时，是不及物动词，无被动语态，D错
4.简洁，D的being表达不简洁，而且伴随状语句意错误。D错
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-the use of extended in the absence of which was is incorrect; the proper construction should be extending (as extended gives the impression that the road was intentionally lengthened rather than simply existing between two points).
(B) extended被动形式错，句意变成了highway被延伸了，实际上延伸是highway主动发出的动作； extended和over 2500 miles变得没有关系，显然不是合理的句子结构安排。
(C) 整个句子缺少谓语动词；extended被动错句意变成了highway被延伸了，实际上延伸是highway主动发出的动作；in length也是做定语不如long简洁，虽然XXX miles in length的表达形式是正确的。
(D) being使用wordy；in length不如long简洁；was extended变成和was the Incan highway平行，结构不合理，且was extended被动使用不当。
(E) Correct；Extending做状语修饰主句。
and extended的部分更应该用来做状语修饰有2500miles这个长度，而不是用来和前面毫无关联的内容并列。
我在实际做题的时候当时还不能体会到句子中的逻辑关系，谢谢你啦！
fine，浅见，望共同进步
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