What is a table of contents? an alphabetical list of all topics covered in the book and the pages on which they can be found an alphabetical list of all the specialized words and terms used in the book and their definitions a page at the front of a book that lists units and chapters with their page numbers a statement of the author’s purpose in writing the book, which may include suggestions for using the book

The answer is indeed the third option:  a page at the front of a book that lists units and chapters with their page numbers.

Explanation:

I believe the first option would be an index; the second option would be a glossary; and the last one is most likely a preface.

A table of contents is a page or pages, usually before the actual book or work, that lists the chapters or sections to be found in it.  It also lists what is included in them, as well as the pages at which they commence. Apparently, the first table of contents ever used was written by Quintus Valerius Soranus, in 82 B.C.

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- "chilles is sad and angry because hector, the trojan leader, killed his best friend patroclus. he seems angry with himself because he didn't or protect patroclus against the trojans."