中华民族的历史是各民族共同缔造的,其中由少数民族建立的统一的封建王朝是( )
A:秦、汉
B:元、清
C:金、元
D:辽、宋
如图,直线y= 23 x+4与x轴、y轴分别交于点A和点B,点C、D分别为线段AB、OB的中点,点P为OA上一动点,PC+PD值最小时点P的坐标为( )
— Look at the photo. Do you know __________ 105-year-old lady, Yang Jiang?
— Yes, She was __________ famous writer and translator(翻译家).
We do not need to ____(羡慕,忌妒)any other person,for our existence is actually unique!