Write the full names of the following abbreviationsCPPCC
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SAR(Special Administrative Region)
Match volume A with B, choose the corresponded letter in volume B for 1-5 in volume A
Arrange the following Chinese dynasties in chronological order. (1 point for each) 按编年史顺序排列一下中国历史朝代
下列哪类牙齿不属于拔牙适应证( )
A. 牙体组织缺损严重无法保留修复的
B. 严重的根尖周病, 无法治愈的
C. 冠折的牙齿
D. 重度牙周病
E. 移位、错位牙