There are a few____(coin)in the schoolbag.
已知甲、两组数据如茎叶图所示,若两组数据的中位数相同,平均数也相同,那么m+n=____
①认识是主观与客观具体的历史的统一
②价值判断和价值选择具有社会历史性
③人们对社会规律的认识由自发转到自觉
④人口政策的调整遵循社会发展的规律
Mr. Black, as well as his wife and children, ________ invited to the dinner party last night.