三大步骤提高GMAT写作水平 ：
1、提高GMAT作文水平，首先要分析原因。
原因上的问题，有以下三个：可疑调查;样本不足;结论无据。
2、提高GMAT作文水平，也离不开分析结果。
结论上的问题，有以下两个：无因果联系;二者择一。
3、提高GMAT作文水平更需要论证上的分析。
就是论证过程上的问题，有以下两个，纵向横向各一个：错误类比(横向);时地全等(纵向)。
这样，只要记住了三字诀：因、果、证，就很容易记牢全部GMAT作文的问题了。下面我们讲解一篇案例，来加深大家的理解。
下面是往期的一篇GMAT作文：
“Our total sales have increased this year by 20 percent since we added a pharmacy section to our
grocery store. Clearly, the customer’s main concern is the convenience afforded by one-stop
shopping. // 无因果联系，可能另有他因。 The surest way to increase our profits over the next couple
of years, therefore, is to add a clothing department along with an automotive supplies and repair
shop. We should also plan to continue adding new departments and services, such as a restaurant
and a garden shop, in subsequent years. // 时地全等 Being the only store in the area that offers such a range of services will give us a competitive advantage over other local stores.” // 结论无据。
掌握了GMAT作文问题的三个方面，提高GMAT作文水平也会变得很容易，我们要在大量的实战中，不断地总结GMAT作文的经验，加以分析总结，增强GMAT作文记忆方法。
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