秦始于公元前221年，止于公元前207年；汉包括西汉和东汉，始于公元前206年，止于公元220年。秦始皇顺应时代潮流，凭借强大的军事实力，完成了统一中国大业。秦的统一具有划时代的意义，它标志着中华文化共同体的初步形成，国家统一、多元文化整合的速度和力度加强。
Availability can change throughout the month based on the library's budget. You can still place a hold on the title, and your hold will be automatically filled as soon as the title is available again.
The OverDrive Read format of this ebook has professional narration that plays while you read in your browser. Learn more here.
Your session has expired. Please sign in again so you can continue to borrow titles and access your Loans, Wish list, and Holds pages.
If you're still having trouble, follow these steps to sign in.
Add a library card to your account to borrow titles, place holds, and add titles to your wish list.
Have a card? Add it now to start borrowing from the collection.
The library card you previously added can't be used to complete this action. Please add your card again, or add a different card. If you receive an error message, please contact your library for help.