同类记忆法
将同类词汇收集在一起，同时背记。注意，同类词汇与同义词不同：同义词是指意思相同，而同类词是指基本属性相同、具体意义的层次，级别或范围不同的一类词汇。
如headmaster和principal是同义词，都表示，中小学校长president和chancellor是同义词，都表示大专院校校长。这两组词是同类词汇，都表示校长，但具体级别不同，所以两组词不是同义词。
再如bachelormaster，doctor 三个词都表示学位授予的情况，但具体级别不同，所以这三个词也是一组同类词汇。
这样，将同类词汇放在一起记忆，当遇到其中一个词时，头脑中出现的就是一组词，效率大大提高了。
S. Korea's Lee apologizes for graft scandal
Tokyo's stance 'unacceptable'
Mystery remains over 'mankind' quote
Military dismisses islands war fear
Accident raises concern over trucks
Olympic-themed lottery debuts
Do cyberwars really keep us from fighting?
Five in court over sale of teen's kidney
Tibetan-language phones welcomed
Confessions from beyond the grave
Wealthy Chinese charter flights to watch Olympics
Lawyers calling for reform of laojiao system
Blackout hits more than 300 million in India
Clinton's Africa visit fuels debate on competition between US and China
Police turn to Internet, TV to catch fugitives
Usain Bolt team: 'True Hero' trademark is a non-starter
UK stores try to get Chinese lovers in the mood
Traffic may cost car owners
Foreign firms 'will benefit from new industries'
One little decision altered nation's diving history
Ancient villages welcome investors
France seeks to become more inviting to immigrants
US mourns death of week-old panda
Arrests destroy criminal gang in market
Morsi says Cairo, Washington can be 'real friends'
Syria claims gains in Aleppo
London apologizes for DPRK flag mix-up
Shenzhen ponders bad-behavior law
'New law' focuses on work permits
Panetta's Asia-Pacific trip aids strategic pivot