gmat语法题og详解86-140-智课教育

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1、智课网GMAT备考资料GMAT语法题OG详解86-140-智课教育GMAT语法改错的难度一方面来自题干，另一方面来自选项，因为我们要依靠选项之间的差别来获得信息、寻求提示，其实这就反映了GMAT语法改错答案的特点--永远只有相对正确而不存在绝对正确。接下来小编就给大家介绍一下GMAT语法题，希望对大家备考GMAT语法考试有帮助。86.In2000,ameretwodozenproductsaccountedforhalftheincreaseinspendingonprescriptiondrugs

2、,aphenomenonthatisexplainednotjustbecauseofmoreexpensivedrugsbutbythefactthatdoctorsarewritingmanymoreprescriptionsforhigher-costdrugs.(A)aphenomenonthatisexplainednotjustbecauseofmoreexpensivedrugsbutbythefactthatdoctorsarewriting(B)aphenomenonthatise

3、xplainednotjustbythefactthatdrugsarebecomingmoreexpensivebutalsobythefactthatdoctorsarewriting(C)aphenomenonoccurringnotjustbecauseofdrugsthatarebecomingmoreexpensivebutbecauseofdoctorshavingalsowritten(D)whichoccurrednotjustbecausedrugsarebecomingmore

4、expensivebutdoctorsarealsowriting(E)whichoccurrednotjustbecauseofmoreexpensivedrugsbutbecausedoctorshavealsowritten答案解析如下：(A)aphenomenonthatisexplainednotjustbecauseofmoreexpensivedrugsbutbythefactthatdoctorsarewriting【错误】平行结构：“but”两边应连接平行结构，而“becauseo

5、f……”和“bythefactthat……”虽然语法功能基本一致，但逻辑含义上并没有(B)中“bythefactthat……”与“bythefactthat……”的平行结构更加对等。(B)aphenomenonthatisexplainednotjustbythefactthatdrugsarebecomingmoreexpensivebutalsobythefactthatdoctorsarewriting【正确】主谓结构的结尾加逗号再加名词性结构时，该名词性结构可以用来修饰其前面整个主谓结构。由

6、“that”引导的定语从句修饰的名词“aphenomenon”进一步修饰了其前面的主谓结构“ameretwodozenproductsaccountedforhalftheincreaseinspendingonprescriptiondrugs”，语法正确且语义合理。“notjustbythefactthat……”和“bythefactthat……”正确地用“but”平行在一起。【大意】2000年，区区24中产品可以解释处方药消费增长的一半，这一现象不仅可以被药变得更贵来解释，也可以被医生在开更贵

7、的药来解释。(C)aphenomenonoccurringnotjustbecauseofdrugsthatarebecomingmoreexpensivebutbecauseofdoctorshavingalsowritten【错误】句子意思：本句后本部分的本意是“(现象)发生并不仅仅应为药品变得更贵而且因为医生开了高成本药品”，但“becauseofdrugsthatarebecomingmoreexpensive”和“becauseofdoctorshavingalsowritten”是“be

8、causeof”引导的，分别以“drugs”和“doctors”为核心名词的结构，因此其表意实际上是“不仅因为变得更加昂贵的药品而且因为开了高成本药品的医生”，“原因”的重心落到了“药品”和“医生”上。(D)whichoccurrednotjustbecausedrugsarebecomingmoreexpensivebutdoctorsarealsowriting【错误】修饰成分：“，whichresultedfromanoversupply”本意上想修饰“amer