高一英語閱讀理解趣聞類

『壹』 和悠悠球有關的趣聞英語閱讀短文

優質解答
In simple terms,the primary purpose of the Discussion is to show the relationships among observed
facts.To emphasize this point,I always tell the old story about the biologist who trained a flea.
After training the flea for many months,the biologist was able to get a response to certain commands.
The most gratifying of the experiments was the one in which the professor would shout the command
"Jump," and the flea would leap into the air each time the command was given.
The professor was about to submit this remarkable feat to posterity via a scientific journal,but he—in