如图，正方形ABCD的边长为3cm，动点P从B点出发以3cm/s的速度沿着边BC﹣CD﹣DA运动，到达A点停止运动；另一动点Q同时从B点出发，以1cm/s的速度沿着边BA向A点运动，到达A点停止运动．设P点运动时间为x（s），△BPQ的面积为y（cm²），则y关于x的函数图象是（   ）

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    Hello! My name is Betty Smith. This is a photo o____my family. There are five p____in the photo. Look! The old woman is my g____. She is eighty years old. These are my p____. My father is a d____and my mother is a n____; they are both in a hospital. And this tall man is my u____. He is my mother's brother. He is n____ to my mother. I'm in yellow. 

    We live in the s____house. Look here, please! There i____a small garden (花园) in front of our house. It's very nice. 

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