重点句型
1. It was a time when...这/那是一个……的时期:Over the years,the system developed into different forms as it was a time when(这/那是一个……的时期) people were divided geographically,leading to many varieties of dialects and characters.
2. no matter where...无论在哪里，引导让步状语从句:Eventoday, no matter where Chinese people live_(无论中国人在哪里生活) or what dialect they speak, they can all still communicatein writing.
3. as 引导状语从句，意为“随着”:
As China plays a greater role in global affairs_(随着中国在国际事务中起更大的作用), an increasing number of internationalstudents are beginning to appreciate China’s culture and historythrough this amazing language.