判断下面的话的对错．

所有的偶数都是合数．

    A well-dressed man goes into a restaurant one day. He sits down at a table near the window. A waiter comes up to him and says, “Can I help you, sir?”

    The man says, “Can I see the menu?” “Certainly.”

    The man wants a good meal and he wants a lot of nice dishes. The waiter gets them for him. The man is having his meals. At this time, a boy comes in and sits beside the man. He asks the man to give him an ice cream. The man does so.

    Now the boy is eating his ice cream. The man says, “I go out for a newspaper.” The man goes out.  After the boy eats his ice cream up, he stands up and goes to the door.

    “Excuse me. Your father doesn't give the money for the meal and your ice cream,” The waiter stops him and says.

    “Father? You are wrong. He isn't my father. I don't know him. I meet him in the street. He says he will give me an ice cream if I come here at 12 o'clock.”

美国国旗由13星条旗，演变成为13条50星，这种变化反映（　　）

网红经济以年轻貌美的时尚达人为形象代表，以“红人”的品味和眼光为主导进行选款和视觉推广，依托社交媒体上庞大的粉丝群体进行定向营销，从而将粉丝转化为购买力。这一经济形式（  ）