Reports usually include the following items，although shorter reports often combine some of these elements:memo or letter of transmission，cover，title page，preface，table of contents，list of tables and illustrations，acknowledgments，executive summary，body of the report，recommendations，summary of findings1，appendixes，and bibliography and references．

a．Memo or letter of transmission备忘录或转呈

This letter informs the reader that a report on a given subject is to follow;it may include material on why the report was commissioned(the charge to the committee)and who wrote the report．It also frequently contains a list of the members of the committee and subcommittees that generated the report and their signatures．

b．Table of contents目录

This lists the parts of the report so that the reader can see quickly what is in the report．Make sure that the titles of the various sections are descriptive．