Lake Baikal, 是holds 的主语; more than all the North American Great Lakes combined 是 20 percment of the world's fresh water 的同位语。
holding water 和 combine 作比较;不可以是water和lakes combine作比较。
more than指的是fresh water,此处是water和lakes combined的东西比(也就是water)。就是水量和水量的对比
句意与其他选项不同,但也完全可以说通,是唯一没错的选项。 more than作同位语修饰名词
理解为 all the North American...hold。这里有个省略。
看到有的同学说A比较概念也不对等,个人理解觉得这里more就近原则修饰water,所以比较对象是水量。 然后,我第一次也错选了E,引用一个同学的答案,觉得他说的很好: 而E,因为先说了和五大湖比较,然后说贝尔加湖占了世界水量的20%,就有可能引起歧义,因为前面的两句读完,可能是说贝尔加湖在面积上比五大湖大,然后这个比五大湖大的湖含有世界淡水量的20%,个人见解,仅供参考,btw,第一次我也选的E。
more than combined修饰结构,删除, n,n同位语修饰20percent of the ...
More than 300 rivers drain into Siberia's Lake Baikal,(主句) which holds 20 percent of the world's fresh water(非限制定语从句), more than all the North American Great Lakes combined.(前面的同位语)
more than all the North American Great Lakes combined 是 20 percment of the world's fresh water 的同位语。
,后面可作同位语
MORE THAN 修饰20%世界淡水
more than 为修饰语,此选项的比较对象为 20% world's water 和 all the lake combined.(正确)。但是 More than all the North American Great Lakes combined, Siberia's Lake Baikal, with more than 300 rivers draining into it, holds 20 percent of the world's fresh water. 此选项为 lake baikal 跟 all the lake combined 比较,语义错误。
more than all the…作为20 percent of the world’s fresh water的同位语,不是修饰fresh water!!(D项)
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