A:A writer.
B:A musician.
C:A teacher.
从“肯德基”、“麦当劳”、“德克士”的快餐文化,再到美国的好莱坞大片电影文化,无一不体现着美国文化对中国社会的影响。有人士表示发达国家通过这种方式进行文化渗透,以达到影响或改变其他国家国民价值观的目的。该材料告诉我们( )。
①文化与政治相互交融
②世界文化具有多样性
③必须警惕和反对文化霸权主义
④应加强中美文化交流
bring give grandma then grandpa
The Mid-Autumn Festival is coming. I like it. I am very happy. My ____and ____ are going to come to my house. They are going to ____ gifts for me. And I'm going to ____ them gifts. ____ we will eat moon cakes together. We will be happy.
如图所示,圆心C的坐标为(2,2),圆C与x轴和y轴都相切.
(1)求圆C的一般方程;
(2)求与圆C相切,且在x轴和y轴上的截距相等的直线方程.