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’m sorry I got angry with you, but. . . ” What follows that “but” can render 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 is to say “I决定你的头发直、曲的DNA片段是（ ）A. 染色体 B. 蛋白质 C. 细胞核 D. 基因