作者：学习与生… 文章来源：本站原创 点击数： 更新时间：2008-3-3
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Mr. Smythe had been giving his second-grade students a short lesson on science.
He had explained about magnets and showed how they would pick up nails and other bits of iron. And now it was question time...
"Class," said he, "My name begins with the letter 'M' and I pick up things... What am I?"
A little boy on the front row said, "You're a mother!"
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