语音讲解：
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　　Conversation A

　　Richard and Laurie are standing in line at the bank.

　　Richard:Have you heard? The jackpot for the next lottery draw is at three million dollars!

　　Laurie:Oh no; not again. How will you pick your numbers this time?

　　Richard:I have it all worked out. I'm going to use all my friends' birthdates.

　　Laurie:I think you take the lottery too seriously.

　　Richard:But it's fun to play. Besides, what if I hit the jackpot?

　　Conversation B

　　Laurie:Don't you know that there's almost no chance of winning first prize?

　　Richard:People win it sometimes. You just have to believe in your luck.

　　Laurie:Please! You haven't won anything yet, and you play every week.

　　Richard:Trust me. One of these days, I'll win the big one.

　　Laurie:Sure. Then people can call you "Richie Rich".

　　Sentence 4U

　　hit the jackpot

　　"中头彩；大获全胜"，

　　例如：A: My new apartment is cheap and beautiful.

　　B: Wow! You really hit the jackpot!

　　A:我的新住宅既便宜又美观。

　　B:哇！你真是中了头奖了！