已知圆C过点（1，0），且圆心在x轴的正半轴上，直线l：y=x﹣1被该圆所截得的弦长为2$\sqrt{2}$，则圆C的标准方程为（　　）

文化创新要处理好当代文化与民族文化、传统文化与外来文化的关系。（   ）

纬线的形状是半圆．（ ）（判断对错）

家人的生日表

    I am making a birthday chart for my family. There are eight people in my family. My birthday is on June 9th. My mother's birthday is on June l4th. My father's birthday is on June 23rd. My grandfather's birthday is on April 12th. My grandmother's birthday is on May 12th. My uncle Bill's and aunt Mary's birthdays are on the same day—October 1st. My cousin's birthday is on November 11th. My grandparents live with my uncle and aunt in America, So I usually send e—cards to them for their birthdays. I love my family.

①坚持党的领导，是实现人民当家作主和实行依法治国的政治保证

②人民当家作主是社会主义的本质要求

③依法治国是党领导人民治理国家、实现人民当家作主权利的基本方略

④三者有机统一于中国特色社会主义民主政治建设