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.
78. 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.
(A) sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of (B) 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 (C) sloth that was found in Puerto Rico in 1991, was dated at 34 million years old, making this the earliest known mammal of (D) sloth, found in Puerto Rico in 1991, have been dated at 34 million years old, making the sloth the earliest known mammal on (E) sloth which, found in Puerto Rico in 1991, was dated at 34 million years old, made the sloth the earliest known mammal of
这个结构在OG的121. Sales of wines declined in the late 1980s, but thev began to grow again after the 1991 report that linked moderate consumption of alcohol, and particularly of red wine, with a reduced risk of heart disease.此题的and particularly of red wine结构一样，修饰前置词：alcohol
这个结构在OG的121. Sales of wines declined in the late 1980s, but thev began to grow again after the 1991 report that linked moderate consumption of alcohol, and particularly of red wine, with a reduced risk of heart disease.此题的and particularly of red wine结构一样，修饰前置词：alcohol
这个结构在OG的121. Sales of wines declined in the late 1980s, but thev began to grow again after the 1991 report that linked moderate consumption of alcohol, and particularly of red wine, with a reduced risk of heart disease.此题的and particularly of red wine结构一样，修饰前置词：alcohol
-- by 会员 清飞扬 (2011/10/13 19:04:37)
LZ举出的例子是插入语修饰alchol，我觉得在本句中dated at 34 million years old不是修饰found in Puerto Rico in 1991,两者是并列的关系，所以不是插入语吧，我也不知道这里为什么要加逗号，求NN解答~~~
A是错的，排除点是it的指代，想问的是found in Puerto Rico in 1990, and dated at 34 million years old这个短语and前为什么会有逗号，两个短语应该是平行关系吧，还是后面那个是插入语呢？
-- by 会员 Michiko54 (2011/11/22 10:57:07)
Fossils of the arm of a sloth（, found in Puerto Rico in 1991,）have been dated at 34 million years old, making the sloth the earliest known mammal on the Greater Antilles Islands.
我认为如果不从 逻辑 的角度来考虑， 这句话的成分及结构很难理清楚。是由于sloth的化石 被认定有34 million years old，才使得sloth被认定为该岛所知道的最早脊椎哺乳动物。 making 我个人认为在这里有 表结果 的意思。 不是NN，仅供参考。
这个结构在OG的121. Sales of wines declined in the late 1980s, but thev began to grow again after the 1991 report that linked moderate consumption of alcohol, and particularly of red wine, with a reduced risk of heart disease.此题的and particularly of red wine结构一样，修饰前置词：alcohol
-- by 会员 清飞扬 (2011/10/13 19:04:37)
LZ举出的例子是插入语修饰alchol，我觉得在本句中dated at 34 million years old不是修饰found in Puerto Rico in 1991,两者是并列的关系，所以不是插入语吧，我也不知道这里为什么要加逗号，求NN解答~~~
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发表于 2011-10-13 09:33:57
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