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下面的图形都是由9个面积是1平方厘米的小正方形拼成的。

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    I have received many Christmas gifts over the years. The best gift I ever received was presented to me 1 a stranger. I never even knew his name and I only had contact with him 2 less than 60 seconds. His Christmas present to me changed 3 way I think about people and about Christmas.

    I hate Black Friday sales. It's often a gathering of people 4 are there for many different reasons. Some are looking for one item for their loved one, or perhaps themselves. Their purpose are completely have 5 to do with the festive time of year, and can merely be summed up with one word, "Cheap!"

    It was several years ago when my wife asked me 6 her at the local department store on Black Friday morning. They had advertised a child's bike 7 she wanted to purchase for our son. We stood with a very large crowd, waiting for the manager to blow the whistle(口哨). I told my wife 8 we got a bike, fine, but if we did not, I was OK with that too.

    As 9 bikes began to gradually(逐渐)decrease in size, I saw my "polite" opportunity to reach my hands around the corner of one of the boxes. I 10 it and suddenly felt some mild resistance(阻力). I looked up to see one of 11 gentlemen I had ever seen in my life. Frightening was not the word to describe his appearance. He was wearing lots of straps of metal spiked leather(带有铆钉的皮带) around 12 arms and even his neck and he had tattoos(纹身)too.

    I started to return the box 13 he gently pushed it back in my direction and back into my hands. He then directed it into my shopping car. He looked at me, smiled, and said, "Merry Christmas." All the way home I 14 that this moment was by far the best Christmas gift I had ever received. The kindness of a stranger that broke all prejudice(偏见) I may have had of certain types of people. The softness of a human heart can be seen in a simple act. I will never 15 it.