Unit1 Three Peach Stones北京知识课文详解参考答案课文参考译文Unit2 The Environment: What We Say Versus What We Do北京知识课文详解参考答案课文参考译文Unit3 Who Needs the Stock Exchange?北京知识课文详解参考答案课文参考译文Unit4 The Rain Child北京知识课文详解参考答案课文参考译文Unit5 Newspapers北京知识课文详解参考答案课文参考译文Unit6 Spending a Few Days with the Kid That You Once Were北京知识课文详解参考答案课文参考译文Unit7 Let Yourself Go!北京知识课文详解参考答案课文参考译文Unit8 Symbols of Mankind北京知识课文详解参考答案课文参考译文Unit9 Parents Are Only One Influence in Their Children's Development北京知识课文详解参考答案课文参考译文Unit10 Pablo Picasso北京知识课文详解参考答案课文参考译文English Proficiency TestsKey to English Proficiency Tests