This document appears to be copyrighted material from a publisher and includes permission to photocopy pages for classroom use. However, as the document contains no other substantive information, no meaningful summary can be generated within 3 sentences.

1.  Macmillan Publishers Ltd 2002 61 This page may be photocopied for use in class

2.  Macmillan Publishers Ltd 2002 91 This page may be photocopied for use in class