本贴相关题目 TN-21-SC-13 (ZUHT)

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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.

Anevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks are produced by
Bnevertheless creating sounds: they produce a complicated system of whistles, squeaks, moans, trills, and clicks with
Cbut they do create sounds, producing a complicated system of whistles, squeaks, moans, trills, and clicks with
Dbut they do create sounds, a complicated system of whistles, squeaks, moans, trills, and clicks being produced
Ebut nevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks produced by

正确答案: C

一道纠结的题请教~~

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iamBB

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发表于 2011-9-12 14:56:26 | 只看该作者回帖奖励

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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

B和C的区别是什么啊……