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题库 / GMATLA-SC-107
According to recent studies comparing the nutritional value of meat from wild animals and meat from domesticated animals, wild animals have less total fat than do livestock fed on grain and more of a kind of fat they think is good for cardiac health.
wild animals have less total fat than do livestock fed on grain and more of a kind of fat they think is
wild animals have less total fat than livestock fed on grain and more of a kind of fat thought to be
wild animals have less total fat than that of livestock fed on grain and have more fat of a kind thought to be
total fat of wild animals is less than livestock fed on grain and they have more fat of a kind thought to be
total fat is less in wild animals than that of livestock fed on grain and more of their fat is of a kind they think is
题目分析：
略
选项分析：
A选项：代词they没有指代对象。
B选项：Correct. 本选项在逻辑和语法上均是正确的。
C选项：fat of a kind需改为a kind of fat。a kind of是一个固定搭配，表示某一种，不能拆分。of a kind表示“同一类，相似的”，显然不符合本题的含义。另外，这里的that of略有赘余的嫌疑，虽然可以比较两种动物的脂肪，但比较两种动物已经足够清楚，所以这个that of可以不必要添加。
D选项：比较对象不对等，应该比较的是野生动物和家养动物。fat of a kind需改为a kind of fat错误同选项(C)。
E选项：代词they的指代错误同(A)。fat is of a kind错误原理同选项(C)。
个人也觉得B这个比较结构并不好，A has less B than C。
我如果造句： I have fewer brothers than sisters. 是翻译成我的哥哥比姐姐少呢，还是翻译成我的哥哥比姐姐的哥哥少呢？
OG中关于这个点的解释是，虽然less total fat than livestock和less total fat than do livestock有区别，但这里do去掉完全没有逻辑上的歧义。
总不能说wild animals have less total fat than have livestock吧，所以这里do去掉，表达的同样是wild animals have less total fat than livestock have total fat ，比较的是wild animals和livestock，没有比较脂肪和livestock的可能。
B：and后省略have
谢谢啦 理解了 当时因为省略没找准比较对象
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