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题库 / Prep2008E1-SC-175
Experts estimate that ten times as much petroleum exists in sources like tar sands, heavy oil, and perhaps even in shale than in conventional reservoirs.
sources like tar sands, heavy oil, and perhaps even in shale than
sources like tar sands, heavy oil, and perhaps even in shale than are
such sources as tar sands, heavy oil, and perhaps even in shale as are
such sources as tar sands, heavy oil, and perhaps even shale as
such sources as tar sands, heavy oil, and perhaps even shale than
题目分析：
本题十分简单，只要把一些习语和比较能记住就可以了。
选项分析：
A选项：本选项具有三处错误。第一，介词like不能表示举例。第二，ten times as much as是固定搭配，不能用ten times as much than，than必须在身前有more来搭配。第三，source列举对象的三者为tar sands，heavy oil，和shale。此三者应在字面上保证平行，因此应改为：tar sands, heavy oil, and perhaps even shale。
B选项：本选项错误同选项(A)。
C选项：比较词as身后补出了助动词are，但在其身前并没有能与其平行的助动词。另外，平行错误同选项(A) 。
D选项：Correct. 本选项在语法和逻辑上均是正确的。
E选项：ten times as much than错误同选项(A)。
1.idiom,前面有个as much...应该想到是as much ...as..ABE用的than，ABE错
2.idiom, such as才能用来举例，AB错、
3.平行，as mcuh...as...前后应该平行，这里省略掉了 相同的petroleum exists主谓，as则后面应该是in...C错
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