1. Logical thinking逻辑思维
The teacher told the class the story of a man who swam a river three times before breakfast.
Johnny laughed．
“Do you doubt that a good swimmer could do that?一asked the teacher．
"No, sir, "answered Johnny, "but l wonder why he did not swim it four times and get back to the side where his clothes were.”
2. The umbrella雨伞
A gentleman staying in a hotel left his umbrella in the hall, but he had put on the handle a card on which was written：“This umbrella belongs to a gentle man who can lift up a hundred pounds. I shall be back in ten minutes．"When he came back, he found, instead of his umbrella, another card on which was written, "This card belongs to a man who can run ten miles an hour. I shall not come back ."
3. Crazy driver疯狂的司机
There's a senior citizen driving on the highway. His wife calls him on his cell phone and in a worried、anxious says, "Herman, be careful just heard on the radio that there was a madman driving the wrong way on Route 280!”
Herman says, "I know, but there isn't just one，there are hundreds!"
4. Go barefoot 光着脚去约会
In secondary school, I was always self-conscious about my height.
Once I was asked out by a life-guard. I had never really stood next to him and didn't know how tall he was. So the night of the date I took out two pairs of shoes-one with heels, one flat.
I arranged with my brother to answer the door, compare his height with my date's and run upstairs to let me know which shoes to wear．
When the doorbell rang l waited. Then my brother showed up and told me what I didn't want to hear: “Go barefoot."
5. The result of a promise许诺的结果
Father: I promised to buy you a car if you passed your examination, and you have failed. What were you doing last term?
Son: I was learning to drive a car.
6. Mixed doubles混合双打
Teacher of Physical Education: Have you ever seen mixed doubles, boys?
Nick: Yes, sir. Quite often saw it even last night.
Teacher: Please tell us something about it.
Nick: Oh, sorry, sir. My father always says, "Domestic shams should not be published.”
（From internet)
