完形填空 先通讀下面的短文，掌握其大意，然后在每小題所給的四個選項中，選出可以填入空白處的最佳選項，并在答題卡上將該項涂黑。（本大題共10分，每小題1分）
One day a father of a very rich family took his son on a trip to the country with in order to show his son how poor people   16  be. They spent a couple of days and nights on the farm of    17   would be considered a very poor family.
On their return from their trip, the father asked his son, "How was the trip?" "It was great, Dad. We have a pool that reaches to the middle of our garden and they have a creek（小溪）that has no    18 . We have imported lanterns in our garden and they have the   19  at night. Our patio（院子）reaches to the front yard and they have the   20  horizon（地平線）. We have a small piece of land to live on and they have fields that go   21  our sight. We buy our food, but they grow   22 ."
With this the boy’s father was speechless (無語的) .
Then his son added , "Thank dad for showing me how    23  we are."
Too many times we forget what we have and concentrate on（集中注意力）what we don’t have. What is one person’s worthless object is another’s prize possession (財富). It is all  24   
on one’s opinion. Make you wonder what would happen if we all gave thanks for all the bounty（恩賜）we have,   25   worrying about wanting more . Take joy in all you have.