Helr GMAT题库 周周练 Helr-SC-004 (答案和解析已放出)

MINOZ芸

参与讨论

我选D

首先通过时态排除A,C选项，这里不需要用到过去完成时。
然后因为B选项里的which用法不对，指代上出了逻辑错误，排除B
最后E选项的语义上犯了逻辑错误，gas和estimation不是一类东西

MINOZ芸

Manhattan SC里说，"The GMAT ignores the traditional distinction between 'compared to' and 'compared with' ."
所以这里compared to不需要改成compared with

linglinrtw

我选择D

miffyhui

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A.Had contained 时态错误，没有强调先后顺序；后面的意思不完整；
B.Had contained时态错误；the last report is 421 trillion cubic feet逻辑意思不合理；a drop同位语，修饰141 trillion cubic feet of gas意思错误；compared 的逻辑主语问题！
C.Had contained时态错误；had contained...represents a...结构不完整；
D.
E.the gas represents estimation 错误，主系表结构意思须合理！

thisisinsane

这个好！留个脚印

FFcapm

参与投票:

my answer: D

coco2012

选D吧。。。
首先排除had。。。时态不合适
然后E选项的，that represent不简洁

ranshuyang

我选D
The report announced that the Marcellus region, a rock formation under parts of New York, Ohio, Pennsylvania and West Virginia, had contained 141 trillion cubic feet of gas; the last report of Agency estimated a drop of 66 percent from 410 trillion cubic feet.

A. had contained 141 trillion cubic feet of gas; The last report of Agency estimated a drop of 66 percent from 410 trillion cubic feet. 时态错
B. compared to the agency’s last report, which is 410 trillion cubic feet of gas, had contained 141 trillion cubic feet of gas, a drop of 66 percent. 读不大通
C. had contained 141 trillion cubic feet of gas, compared with the estimation -- 410 trillion cubic feet of gas -- of the last report of the agency, represents a drop of 66 percent. 时态错
D. contained 141 trillion cubic feet of gas, representing a 66 percent drop from the 410 trillion cubic feet estimate offered in the agency’s last report.
E. contained 141 trillion cubic feet of gas, the gas that represents the estimation of a 66 percent drop from the 410 trillion cubic feet of the agency’s last report. 同一句话有两个主语

kellyfang1228

选D

南林月凉

参与讨论
D
ABC中had contained使用不当。E中an estimation of 使得句意改变