GWD31-Q13

Joseph_lin · 发表于 2011-6-24 14:02:09

Dolphins lack vocal cords, nevertheless creating sounds: a complicated system of whistles, Squeaks, moans, trills, and clicks are produced by sphincter muscles inside the blowhole.
A.nevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks are produced by
B.nevertheless creating sounds: they produce a complicated system of whistles, squeaks, moans, trills, and clicks with
C.but they do create sounds, producing a complicated system of whistles, squeaks, moans, trills, and clicks with
D.but they do create sounds, a complicated system of whistles, squeaks, moans, trills, and clicks being produced
E.but nevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks produced by
这道题给的答案是C，但是我有点儿疑问，后面的介词应该不是用with的吧?nevertheless做副词修饰creating sounds,creating sounds作为lack vocal cords的伴随，另外有人说后面produced前面应该用is不应该用are，但是我觉得这里的A of B形式和平时用的有些区别，这里的A的是量词，是后面的这些声音被produced了，而不是system被produced了，所以应该用are，最主要A里面用的介词是by,所以我觉得正确，大家来讨论下吧

colasama · 发表于 2011-6-24 16:31:44

1.伴随：
不是有个逗号，加个ing就是伴随这么随便的。意思逻辑也得说通才行。刚学会从语法上区分伴随状语的人很容易犯这个错误。

creating sounds怎么伴随lack vocal cords?

2.system是量词？？！

3.with没问题。
I lifted the cup with my hands 还是 by my hand?

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