unit one the role of english in the 21st century unit two genetics and human malleability uhit three science，lies and the uitimate truth unlt four how to take a job interview unlt five work unit six peace，nonvlolence and brotherhood unlt seven hard times for the status—minded unit eghit you are what you say unit nine is mathematics an art? unit ten death to all magic bullets unit eleven on friendship unit twelve the sensible thing 參考文獻
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