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In no other historical sighting did Halley’s comet cause such a worldwide sensation as did its return in 1910-1911. - did its return in 1910-1911
- had its 1910-1911 return
- in its return of 1910-1911
- its return of 1910-1911 did
- its return in 1910-1911
为什么答案是红色的选项呢？谢谢
27. GWD21-Q27: The electronics company has unveiled what it claims to be the world’s smallest network digital camcorder, the length of which is that of a handheld computer, and it weighs less than 11 ounces.
- to be the world’s smallest network digital camcorder, the length of which is that of a handheld computer, and it weighs
- to be the smallest network digital camcorder in the world, which is as long as a handheld computer, weighing
- is the smallest network digital camcorder in the world, which is as long as a handheld computer, and it weighs
- is the world’s smallest network digital camcorder, which is as long as a handheld computer and weighs
- is the world’s smallest network digital camcorder, the length of which is that of a handheld computer, weighing
讨论的链接也没看出个所以然来，为什么答案是红色的选项呢？谢谢
[此贴子已经被作者于2007-9-3 14:40:39编辑过] | 
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发表于 2007-9-3 13:49:00
