A:珍爱生命
B:爱岗敬业
C:勇于担当
D:社会公德
①任意一个三角形一定有一个外接圆,并且只有一个外接圆;
②任意一个圆一定有一个内接三角形,并且只有一个内接三角形;
③任意一个三角形一定有一个内切圆,并且只有一个内切圆;
④任意一个圆一定有一个外切三角形,并且只有一个外切三角形.
其中正确的有 ( )
—Yes, he bought for the family.
This is a1of Robert’s family. This man is Mr. King. He is Robert’s father. This woman is Mrs. King. She is Robert’s2. Who are this boy and this girl?3 boy is Tommy, Mr. King’s 4. And the girl is Anna, Mr. King’s daughter. Tommy and Anna are brother and sister. 5 are in the same (相同的) class. They have a happy 6.
下列说法中正确的是( )