题目内容：
63. F Being punctual, we can avoid anxiety. Imagine the anxiety if you do not want to be considered unpunctual. You will be anxious if you set out for a dinner late. The person who sets out late might be careless in driving. He will ignore traffic rules. A traffic jam, flat tyres, etc. can delay him further. Happy and calm is the man who takes all these possibilities into consideration and arrives at the appointment either early or on time.
参考答案：
答案解析：