搜搜考试网英语达人 帮我分析一个句子
来源：学生作业帮 编辑：搜搜考试网作业帮 分类：英语作业 时间：2024/05/26 02:50:27
英语达人 帮我分析一个句子
some discrepancies have been described between the results of studies performed with a patent-protected formulation of glucosamine sulfate distributed as a drug and those having used glucosamine preparations purchased from global suppliers,packaged and sold over the counter as nutritional supplements.最后一个逗号后面的句子到底是哪个的定语 是those 还是glucosamine preparations的
some discrepancies have been described between the results of studies performed with a patent-protected formulation of glucosamine sulfate distributed as a drug and those having used glucosamine preparations purchased from global suppliers,packaged and sold over the counter as nutritional supplements.最后一个逗号后面的句子到底是哪个的定语 是those 还是glucosamine preparations的
这个句子难以从语法上判别,只能从逻辑上分析.
从定语packaged and sold over the counter as nutritional supplements.看,它修饰的是实物名词,因为只有实物才可以“包装、在柜台销售”（packaged and sold over the counter）,所以修饰对象之能是：drug and those这两个词.这个定语应该对those的补充修饰.
从定语packaged and sold over the counter as nutritional supplements.看,它修饰的是实物名词,因为只有实物才可以“包装、在柜台销售”（packaged and sold over the counter）,所以修饰对象之能是：drug and those这两个词.这个定语应该对those的补充修饰.