肾病综合征最基本的病理生理改变是()
A.水肿
B.血尿
C.蛋白尿
D.低蛋白血症
E.高胆固醇血症
参考答案:C
张老师买了15千克的大米和20千克的面粉,一共花去75元。已知面粉每千克的价钱是1.86元,大米每千克多少元?
By just playing classical music is not enough to reduce levels of stress.