28-41: During the eighteenth century, widespread changes in agriculture, known as the agrarian revolution, involving the large-scale introduction of enclosed fields, of new farming techniques and crops, and the substitution of commercial for subsistence farming.
A: revolution, involving the large-scale introduction of enclosed fields, of new farming techniques and crops, and
B: revolution, involved the large-scale introduction of enclosed fields and of new farming techniques and crops, and
C: revolution, which involved the large-scale introduction of enclosed fields and of new farming techniques and crops, and
D: revolution involved the large-scale introduction of enclosed fields, new farming techniques and crops, and of
E: revolution that involved the large-scale introduction of enclosed fields and new farming techniques and crops, and of
应该选B.
B好一些
B: revolution, involved the large-scale introduction of ... and of ..., and the substitution of
E: revolution that involved the large-scale introduction of ...and ..., and of the substitution of
照白勇的说法,主谓之间如果没有插入语的话,是不能有comma的,所以B错了,应该是D
如果答案是D的话,该句就缺少了谓语,involved 是谓语动词.
无论什么句子,首先要从意思出发,然后再考知识点.
同意第九楼。而且D的平行结构也有问题。
句中的大平行是the large-scale introduction和the substitution 的平行;
小平行是of enclosed fields 和 of new (farming techniques and crops)的平行;farming techniques and crops是小小平行。
D的结构错把the substitution 放在了小平行里面。要注意有the限定的名词跟没有the的名词一般不能对等。
B 也有问题
但是问题最少!
不可尽信白勇的,逗号这种小不点永远不是gmat考点。根本不用考虑。
B项的第2个逗号(corps, and)可以省略吗?
个人觉得没必要出现这个逗号,不过SC的正确选项是相对的,所以与其他选项相比,是白璧微瑕喽。是这样吗?
agree B
楼上引用的白勇老师的话是对的“主谓之间如果没有插入语的话,是不能有comma的”。但是结论错了
因为这里正好就是1个插入语。我觉得排除D的关键因素就在这个插入语,主谓之间的插入语必须用逗号隔开,不然谓语会有修饰插入语之嫌。有逗号才对呀
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