阅读理解
The Clark family just finished Sunday dinner.
"What's for dessert(甜点), Mom? "Johnny asked.
"How about an apple pie?" Mrs. Clark said.
"Yummy!" said Johnny's two sisters Amy and Molly.
"Well, I would like fifteen minutes of pie please." Johnny said with a big grin(露齿而笑).
"Fifteen minutes of pie, what does that mean(意思)?" Asked his younger brother Paul.
"Mr. Dean is teaching us about time in school." Johnny answered. He was in second grade and they were just starting to learn how to tell the time on a clock. " He told us that the clock can be divided(分成)into four fifteen minute sections, like the pieces of a pie. Fifteen times four is sixty and there are sixty minutes in an hour. "
"Very good son!" Mr. Clark said smiling.
"So then may I have fifteen minutes of pie please?"
Johnny asked again when his mother put the dessert on the table.
Mrs. Clark looked at her son. "How about you have ten minutes of pie and give the rest(剩余)for us!" She answered.