GMAT考试题库已于2012年3月1日更新。以下是2012年3月的GMAT逻辑机经更新，更新日期从12年3月1日起至3月11日，目前共41题。澳际留学祝大家GMAT考试顺利!

　　12、【锯木板】

　　一工厂原来要雇用工人把什么(某原材料)锯成木板。该工厂现在打算改用机器(还是电脑来着，大概就这个意思)这样能提高效率。但是(但是什么忘了，大概是说也没什么用或者说不会提高产量)，因为该工厂现在每天可以把原材料全部锯成木板。问削弱。

　　狗主选项：机器能减少加工过程中的浪费。By misidiya #60

　　13、【宇航员】

　　Astronomer: Observations of the Shoemaker-Levi comet on its collision course with Jupiter showed that the comet broke into fragments bore entering Jupiter&aposs atmosphere in 1994, but they did not show how big those fragments were.】 In hopes of gaining some indication of the fragments&apos size, astronomers studied spectrographic analyses of Jupiter&aposs outer atmosphere. These analyses revealed unprecedented traces of sulfur after the fragments&apos entry. The fragments themselves almost certainly contained no sulfur, but many astronomers believe that the cloud layer below Jupiter&aposs outer atmosphere does contain sulfur. Since sulfur would have seeped into the outer atmosphere if comet fragments had penetrated this cloud layer,it is likely that some of the fragments were at least large enough to have passed through Jupiter&aposs outer atmosphere without being burned up.

　　In the astronomer&aposs argument, the two portions in boldface play which of the following roles?

　　A. The first is a claim that the astronomer seeks to show is true; the second acknowledges a consideration that weighs against the truth of that claim.

　　B. The first is a claim that the astronomer seeks to show is true; the second provides evidence in support of the truth of that claim.

　　C. The first and the second are each considerations advanced in support of the conclusion of the argument.

　　D. The first provides evidence in support of the conclusion of the argument; the second is that conclusion.

　　E. The first is a circumstance for which the astronomer seeks to provide an explanation; the second acknowledges a consideration that weighs against the explanation provided by the astronomer

　　文字是prep里的(prep07 cr1 15. (26883-!-item-!-188;#058&002985) [GWD #29-Q28])，原题的答案是C。

　　但是黑体部分不一样，具体是黑的有多少，记不大清楚了，但肯定是第一句和最后一句。

　　狗主选项：第二个是conclusion第一个是background(大概是这个意思，用的好像不是background这个词)。 By misidiya #60

　　讨论帖：链接1　链接2　

　　14、【下雨生病】

　　一种病和当地的降雨量呈现一定关系，有专家解释，下雨天时孩子们都呆在屋内，所以这种病是由屋内空气造成的。问假设?

　　狗主选项：长时间在屋外的孩子得这种病的几率少。By Teardrop1202

　　15、【CD店放歌】

　　CD店本来放8首歌，现在改放10首了，这对它的广告会产生......影响。问假设?

　　狗主选项：平均每首歌放的时间不会缩短。By Teardrop1202

　　16、【M与水生植物】

　　BF题：Moon(?)对水里的动物生长有好处，XXXXX，M使水里的营养更好或更容易被吸收，所以可以帮助动物更好地吸收营养。

　　狗主选项：前者是结论，后者。。。从而支持了结论。By Teardrop1202

　　以上就是12年3月11日更新的GMAT逻辑机经，考生可以适当借鉴，并通过练习来掌握GMAT逻辑的解题规律，从而顺利通过GMAT考试。 相关链接：

1.GMAT考试 3月11日更新GMAT逻辑机经（二）

2.GMAT作文精品模板推荐之AA篇(1)

3.GMAT考试备考心得：如何超常发挥

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