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标题: GWD 8-34 SLOTH化石的题，HELP! [打印本页]

作者: Echoxlx 时间: 2006-9-8 00:18
标题: GWD 8-34 SLOTH化石的题，HELP!

Fossils of the arm of a sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of the Greater Antilles islands.

sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of
sloth, that they found in Puerto Rico in 1991, has been dated at 34 million years old, thus making it the earliest mammal known on
sloth that was found in Puerto Rico in 1991, was dated at 34 million years old, making this the earliest known mammal of
sloth, found in Puerto Rico in 1991, have been dated(为什么用完成时态？) at 34 million years old, making the sloth the earliest known mammal on
sloth which, found in Puerto Rico in 1991, was dated at 34 million years old, made the sloth the earliest known mammal of

感觉d的完成时态不对呀，为什么不能选e?还有，C中这个THIS是不能这样指代的对吗？

作者: Echoxlx 时间: 2006-9-9 01:40

怎么没人解答，NN，你在哪里？我深情地呼唤你！

作者: dlmmdajgal 时间: 2009-1-23 12:38
me too, i chose e. 为什么是完成时？

作者: ambertun 时间: 2009-1-23 12:55

首先fossils,所以was就是不对的，E不能选

作者: songlovegt 时间: 2009-1-23 14:52
支持楼上，c中that was found, was错应为were,根据逻辑判断that clause 只能修饰fossils, 不可能是arm or sloth was found in 1991.
e逻辑错误，是发现化石这个事件而不是化石本身让它成为最早已知的哺乳动物。

作者: southnorth 时间: 2009-1-24 23:37
别的有明显语法错误。必须making +the sloth这个结构，不过我更喜欢把现在完成时改成were

[此贴子已经被作者于2009-1-24 23:37:21编辑过]

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