1. A near-sighted man lost his hat in a strong wind. He gave chase. A woman screamed from a near-by farmhouse: “What are you doing there?” “Getting my hat,” he replied. “Your hat,” exclaimed the woman. “That’s our little black hen you’re chasing.”

2. On a medical school's laboratory exam ， students were asked to recognize prepared specimens of parasites ， such as lice ， fleas and other bugs ， by studying their legs under a microscope. One student was unable to recognize a single one. When he left the lab ， the professor called after him ， "You haven't told me your name." The student turned back ， opened the door and showed his leg."And now ， sir ， " he retorted ， "You tell me who I am."

3. A friend and her husband were not speaking to one another after a disagreement. Noticing a button missing from his pajamas top next morning before going to work ， the husband left a note on it saying ， "Please sew a button on this. "That night he found his pajamas under the pillow with a button sewn on the note.

4. The lecturer on evolution had been going on for nearly two hours. then he started again, and said he:"Let me ask the evolutionist a question -- - if we had tails like a baboon, where are they?" "I'll venture an answer, " said an old lady. "We have worn them off sitting here so long.".

5. TEACHER: George, go to the map and find North America. GEORGE: Here it is! TEACHER: Correct. Now, class, who discovered America? CLASS: George!

6. MOTHER: Why did you get such a low mark on that test? JUNIOR: Because of absence. MOTHER: You mean you were absent on the day of the test? JUNIOR: No, but the kid who sits next to me was.

7. BOY: Isn't the principal( 校长） a dummy! GIRL: Say, do you know who I am? BOY: No. GIRL: I'm the principal's daughter. BOY: And do you know who I am? GIRL: No. BOY: Thank goodness!