听到有人说OG12是综合本,综合了数学和语文,可是我看OG12书中及MBA的官方网站说,如果要额外的练习,还可以买The Official Guide for GMAT Quantitative Review和The Official Guide for GMAT Verbal Review。。 不知道,这两本又是怎么回事?
*There is no overlap between questions found in The Official Guide for GMAT® Quantitative Review, 2nd Edition and The Official Guide for GMAT® Review, 11th and 12th Editions; there is some overlap with The Official Guide for GMAT® Review, 10th Edition. 17 questions from The Official Guide for GMAT® Quantitative Review, 2nd Edition overlap with GMAT Focus? product. The new practice questions in the 2nd Edition replace 75 practice questions from the 1st Edition. The remaining questions overlap.
* There is no overlap between questions found in The Official Guide for GMAT® Verbal Review, 2nd Edition and The Official Guide for GMAT® Review, 11th Edition. The Official Guide for GMAT® Verbal Review, 2nd Edition and The Official Guide for GMAT® Review 12th Edition share one question. There is some overlap with The Official Guide for GMAT® Verbal Review, 2nd Edition and The Official Guide for GMAT® Review, 10th Edition. The new practice questions in the 2nd Edition replace 75 practice questions from the 1st Edition. The remaining questions overlap.