文档介绍：昂贵的狗狗
One Saturday, Bob decides to take a drive through the countryside. After a few hours， he sees a dog walking behin and I’m eating it. Here is your dollar。”（精品文档请下载）
男孩和西瓜
A Little boy is in a farmer’s melon patch （瓜田). He is looking at the big watermelons in the garden。（精品文档请下载）
“I will give you ＄1 for that watermelon，” says the boy。 He points （指向） to a beautiful, large， ripe (成熟的) fruit in the middle of the patch。 （精品文档请下载）
“No，" says the farmer。 “I get $10 for a watermelon like that one.” （精品文档请下载）
The little boy points to a tiny (极小的）, unripe （生的) watermelon： “Will you take ＄1 for that one？"
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“Sure,” answers the farmer. “I will give you that one for ＄1.” （精品文档请下载）
“OK,” says the boy, putting the money in the farmer's hand. “I will pick it up in about two weeks."（精品文档请下载）
“喝醉”是什么意思？
A father and his young son are going home after having dinner in a restaurant。 The father is excited1， singing and dancing in the street.（精品文档请下载）
The little boy is only 5 years old。 He is interested in all kinds of things. He is always asking his father questions. （精品文档请下载）
“Dad， what does the word ‘drunk (喝醉酒的)’ mean?” he asks。（精品文档请下载）
“Well， my dear son，” his father replies （答复）， “look， there are two policemen over there。 If I say there are four policemen over there, then I am drunk. A drunk man can’t walk steadily （稳当地) and can’t see clearly.（精品文档请