题目

If you want to teach your children how to say sorry, you must be good at saying it yourself, especially to your own children．But how you say it can be quite tricky．        If you say to your children “I am sorry I got angry with you, but …” what follows that “but” can make the apology ineffective: “I had a bad day” or “your noise was giving me a headache” leaves the person who has been injured feeling that he should be apologizing for his bad behavior in expecting an apology．        Another method by which people appear to apologize without actually doing so已知⊙O1与⊙O2的半径分别为2和6，圆心距O1O2=4，则两圆的位置关系是A.内切B.相交C.外切D.外离