1
  Professor said to the students: “In order to explain the anatomy of the frog more accurately, I will show you two anatomized frogs, please observe carefully.”
  The student said: “Professor, these are two pieces Bread and an egg!”
Professor    said: “I’m sure I have eaten breakfast, but where are the two dissected frogs?”
  2
  Professor told his wife: “I I forgot to bring an umbrella this morning.”
   asked when he found that he did not bring an umbrella. He said that when the rain stopped, he only found that there was no umbrella when he wanted to put it away.
  3
When Professor    left the restaurant, the waiter came and asked: “Sir, have you forgotten anything?”
  Professor said: “I remember I tipped you.”
  The waiter said : “You have given a tip, but you forgot to eat.”
  4
  Professor said to the servant: “You go and tell the person who is bargaining, say I am not at home.”
  The servant said : “I said it, but he didn’t believe it.” Professor
   said: “It seems that I have to tell him myself.”
  5
  Professor asked his wife: “What day is today?” < br>  Wife said: “Don’t you know if you look at the newspaper you have?”
  Professor said: “That was yesterday’s newspaper, it is useless to read.”
  6
  Professor went to the bank to withdraw money When he counted the 50th, he put the money in his pocket.
  The cashier asked: “Why don’t you finish the count?” Professor
   said: “There is nothing wrong with counting so much, and probably there won’t be any mistakes behind!”