上面这本貌似英文原版，我买的是世图1995年版的，摘录几条：
1、关于发音
The material has been recorded by male and female speakers all of whom employ Received Pronunciation(RP), that is, the standard English that is used by B.B.C.radio and television announcers.
2、学习方法
Nothing should be spoken before it has been herd
Nothing should be read before it has been spoken
Nothing should be written before it has been read
