解答GMAT逻辑题要抓住关键词

想要快速的解答GMAT逻辑题，逻辑关键词的不可或缺的依据之一。下面是一些常见的有关充分必要性的GMAT逻辑考试关键词，希望对考生有所帮助。

　　1.introduce a sufficient condition: if/when/whenever/every/all/any/people who/in order to/to

　　2.introduce a necessary condition: then/only/only if/must/require/no,none(在句子开头)

　　3.unless equation: unless/except/until/without(其后面部分变成必要条件，其它加NOT变充分条件)

　　4.特例：the only way to achieve success is to work hard. achieve success(充分条件)

　　only a professional consultant can solve the organization’s problems. a professional consultant(必要条件)

　　no citizen can be denied the right to vote. denied the right to vote(充分条件). no citizen(必要条件