Do many people in Changde speak Mandarin?

Calcium chloride is a kind of salt composed of chlorine and calcium, which is slightly bitter and tasteless. It is a typical ionic halide, which is white and hard fragments or particles at room temperature. According to the introduction of Changde Municipal People's Government, there are many people who speak Mandarin in Changde City, and there are 5,365,438+10,000 people in Changde City, among whom 5.3 million people communicate in Mandarin. Speaking Mandarin facilitates communication and is conducive to national unity and national unity.