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题库 / OG2017V-SC-230
Because the collagen fibers in skin line up in the direction of tension, surgical cuts made along these so-called Langer's lines sever fewer fibers and is less likely to leave an unsightly scar.
Because the collagen fibers in skin line up in the direction of tension, surgical cuts made along these so-called Langer's lines sever fewer
Because the collagen fibers in skin line up in the direction of tension, a surgical cut having been made along these so-called Langer's lines severs less
Because the collagen fibers in skin line up in the direction of tension, a surgical cut made along these so-called Langer's lines severs fewer
With the collagen fibers in skin lining up in the direction of tension, surgical cuts made along these so-called Langer's lines sever less
With the collagen fibers in skin lining up in the direction of tension, a surgical cut made along these so-called Langer's lines sever fewer
fewer修饰可数，less修饰不可数，排除BD
because作连词表原因，而with表伴随，排除E
观察未划线部分，and is是单数，主语要保持一致，排除A
C correct
because才有因果关系
with只有伴随和修饰关系
相关不等于因果，S和V agreement
de 表示伴随 直接排除
a and后面是is cut要用单数
b less
c
de 表示伴随 直接排除
a and后面是is cut要用单数
b less
c
1主语+v. 与and is平行，所以主语是单数，且动词三单加s，排除ADE。
2fiber加了s，可数，所以应该用fewer。(注意：fiber作为纤维是可数，作纤维物不可数)
3选C。
二选一 又错了.. CE 忘了注意三单
B选项的现在完成进行时有问题啊，过去发生的现在还在继续有可能延续要未来，这种时态GMAT题中出现要小心，多半是错误的；
还有C选项的made并不是过去式，而是过去分词做后置定语，修饰限制前面的名词。本题整个时态都是一般现在时，表示一般的规律或事实
ABC选项均表现出句子的因果关系，DE并未表现因果；纵观所有选项，根据主谓一致原则，我们排除less选项，因为fibers可数，所以剩下ACE，A选项中surgical cuts 与句子后面的is主谓不一致，排除；E选项：a surgical cut (made along these so-called Langer's lines ) 括号里的都是前面的后置定语，所以主语是单数，所以其后的动词sever应该用单三形式，排除E
请问
B C选项中 请问如何判断出此a surfical cut后应该是一般过去时而不是现在完成时
单复数！！！！！未划线部有提示
A. The plural subject cuts does not agree with the singular verb is.