not何时否定because

mzyzhu · 发表于 2003-6-18 16:17:00

Individual entrepreneurs do not necessarily rely on their kin because they cannot obtain financial backing from commercial resources. Source: GMAT reading test 7/passage 1。在该句话中，not应该是否定because

It cannot be concluded that the SPF is not important just because there are requirements for the application of the suntan lotion. Lsat CR test 1/section 4/Q4该句话表达的是：不能得出结论SPF是不重要的，仅仅因为有要求如何使用防晒油。很明显，not在此是否定主句can而不是否定because.

问题是如何区分这两种情况，什么时候否定because从句，什么时候否定主句动词？

mzyzhu · 发表于 2003-6-18 20:21:00

对不起，在看过了，not就是否定because, 因为题目中的逻辑关系刚才把握绕糊涂了。

not何时否定because

not何时否定because

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