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题库 / Prep2007E1-SC-33
More than 300 rivers drain into Siberia's Lake Baikal, which holds 20 percent of the world's fresh water, more than all the North American Great Lakes combined.
More than 300 rivers drain into Siberia's Lake Baikal, which holds 20 percent of the world's fresh water, more than all the North American Great Lakes combined.
With 20 percent of the world's fresh water, that is more than all the North American Great Lakes combined, Siberia's Lake Baikal has more than 300 rivers that drain into it.
Siberia's Lake Baikal, with more than 300 rivers draining into it, it holds more of the world's fresh water than all that of the North American Great Lakes combined, 20 percent.
While more than 300 rivers drain into it, Siberia's Lake Baikal holds 20 percent of the world's fresh water, which is more than all the North American Great Lakes combined.
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.
题目分析：
本题难度较大，需要仔细区分成分及语意方可找到答案。
选项分析：
A选项：Correct. 本选项在语法和逻辑上均是正确的。
B选项：that is more than all the North American Great Lakes combined是定语从句，但非限定性定语从句不能用that来引导，只能用which。另外，在主句部分，我们不能说Siberia's Lake Baikal has more than 300 rivers，即，Baikal不能拥有300条河，只能是三百条河流入Baikal。
C选项：语法有误。Siberia's Lake Baikal和代词it均是holds的主语，这造成了一个句子有两个主语。另外，with more than 300 rivers draining into it是独立主格结构，其是holds句的状语。在逻辑上，三百条河流入Baikal应是在描述Siberia's Lake Baikal的性质的，而描述名词的均应该是定语，不能使用状语。
D选项：状语从句while more than 300 rivers drain into it有误。它在修饰主句hold这个动作。但在逻辑上，“300条河流入”和“湖里的水占据了多少百分比的全球淡水”之间没有时间关系。也就是说，不能说“当300条河流入的时候，湖里的水就占了20%”。这好像是给“占20%”加了一个限定的时间。
又或者，现在如果突然所有的河都不流入了，短时间内这个湖逻辑上还是会占20%的淡水的。因此，不能用“流入”这个动作来做“占据”的时间状语。
E选项：with more than 300 rivers draining into it是独立主格结构错误同选项(C)。
题目分析：
本题难度较大，需要仔细区分成分及语意方可找到答案。
选项分析：
A选项：Correct. 本选项在语法和逻辑上均是正确的。
B选项：that is more than all the North American Great Lakes combined是定语从句，但非限定性定语从句不能用that来引导，只能用which。另外，在主句部分，我们不能说Siberia's Lake Baikal has more than 300 rivers，即，Baikal不能拥有300条河，只能是三百条河流入Baikal。
C选项：语法有误。Siberia's Lake Baikal和代词it均是holds的主语，这造成了一个句子有两个主语。另外，with more than 300 rivers draining into it是独立主格结构，其是holds句的状语。在逻辑上，三百条河流入Baikal应是在描述Siberia's Lake Baikal的性质的，而描述名词的均应该是定语，不能使用状语。
D选项：定语从句which is more than all the North American Great Lakes combined应就近修饰，这里只能修饰20 percent of the world's fresh water，这是不正确的。该定语从句描述的在逻辑上应是Siberia's Lake Baikal的特点。
E选项：with more than 300 rivers draining into it是独立主格结构错误同选项(C)。
c it多余
e 第一个比较对象不明，没有突出水
错选d，which紧跟water比较对象出错
a没读懂
E错，贝加尔湖的淡水储量比北美五大湖总和多，不是贝加尔湖比五大湖多，至少面积上就不是，非常经典的比较对象错误！
相当于后面省略了more than all the North American Great Lakes combined (hold)，正确
=20 percent of the world's fresh water is more than all the North American Great Lakes combined
将水和湖比较，错误！应该是将水和湖持有的水量比较，
补足以后的句子应该是：20 percent of the world's fresh water is more than which all the North American Great Lakes combined hold
然而因为前面的比较句并没有这个结构，所以无法作以上补足，比较对象错误！
this sentence will only make sense if the modifier is allowed to modify the preceding clause, which talks about holding water (because "holding more" actually makes sense).
D、E的modifiers in those choices are modifiers that modify nouns, not clauses. that's a problem in this case.
D：比较错误：(amount of water) IS MORE THAN (specific lakes)
(a) you can view this correctly as a comparison involving the extent of the word "hold".
i.e., lake baikal holds ... more than all the great lakes combined. （可视为省略do：more than DO all the great lakes combined）
more than部分是appositive modifier，可以refer to a noun or to an entire clause
意思是说得通，但是逻辑上怪怪的
不该加个 that of 吗？
我举得A选项可能是是拿河流与河流本身相比，water在从句里面不参与比较，所以不用加that of？
如果直接和河流相比，more than all the North American Great Lakes combined这个成分就应该紧跟在300 rivers后面。之前在D和A之间摇摆，现在疑惑减轻了一些，因为D更明显的错误在于While不能准确表示两个clause间的关系
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