1) 不只是YES是回答:数据充分性题目主要考察是否能够回答问题。在回答问题的时候,不管是Yes还是No,都是一种回答。只要能够回答就是答案。许多考生潜意识里只讲Yes的回答当作了回答问题。
2)答案惟一:数据充分性问题的这个值必须惟一,如果从条件确定出来有两个值或者两个以上值,回答都是不充分的。
3)两个条件的独立性:解决数据充分性题目的步骤是首先考虑俩个条件,在考虑一个条件时就决不能受另一个条件的影响。许多考生在考虑条件2的时候,潜意识将条件1当成了题目中给出的一个条件。从而错误地选择答案。如果一个条件已经能独立回答问题,而另外一个条件不能,就绝对没有必要再把这两个条件联合起来求解。
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