英语自学网 发表于 2016-7-10 18:27:20

Joke of Today

Joke of Today
              A lesson about blood flow and circulation
              A teacher was giving a lesson on the circulation of the blood. Trying to make the matter clearer, he said: "Now, students, if I stood on my head the blood, as you know, would run into it, and I should turn red in the face."
              "Yes, sir," the boys said.
              "Then why is it that while I am standing upright in the ordinary position the blood doesn't run into my feet?"
              A little fellow shouted, "'It's because your feet aren't empty."
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