A fourth-grade teacher was giving her pupils a lesson in logic.

　　"Here is the situation," she said. "A man is standing up in a boat in the middle of a river, fishing. He  loses  his  balance, falls in, and begins splashing and yelling for help. His wife hears the commotion, knows he can't swim, and runs down to the bank. Why do you think she ran to the bank?"

　　A girl raised her hand and asked, "To withdraw all his money from his savings  account?"

Key  words：

fourth-grade　（n.）四年級

pupil　（n.）小學生

lose balance　失去平衡

commotion　（n.）混亂、騷動聲

withdraw　（v.）領（錢）

savings  account　（n.）存款帳戶

＊ bank 有兩個意思：河岸、銀行