13: 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 being produced
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
这道题没有人问过。参考答案是E,可是but 和nevertheless在一起意思表达重复。
D和E是我最先排除的。正确答案应该是B吧
[此贴子已经被作者于2005-12-17 0:20:28编辑过] |