题目

某校高中年级开设了丰富多彩的校本课程，甲、乙两班各随机抽取了5名学生的学分，用茎叶图表示（如右图）. ，分别表示甲、乙两班各自5名学生学分的标准差， 则       .（填“”、“”或“＝”）. 答案：   语法填空。Two weeks before Christmas, two little girls were walking down the street 1. they saw old Harry, who was on his knees pulling weeds around a tree.He wore a pair of worn gloves. His fingers were sticking out 2. the ends, blue from the cold. They stopped to talk to him.Harry told them he 3. (get) the yard in shape as a Christmas gift for his mother, who had died several years before. “My mother was all I had. She loved her yard and trees, so I do this for her every Christmas.”His words touched the girls and soon they _4._ (join) him, pulling weeds. When they finished, Harry pressed a coin into each of their hands. “I wish I could pay you more, but that's all I've got right now，” he said.The girls had often passed his house, and they remembered that it had always been 5. poor condition. No decorations to add cheeriness were anywhere in sight.As they walked on, the coin in one little girl's hand seemed to burn a hole of 6. (guilty). The next day she called her friends 7. they agreed to put their coins in a jar marked “Harry's Christmas Gift”. Then they began to seek out small jobs to earn more. Every coin they earned went into the jar.Finally, they had enough 8. (buy) new gloves. On Christmas Eve they were on Harry's doorstep singing carols. They presented him with the gloves. With 9. (tremble) hands, he held the gloves to his face and wept. No doubt he once again felt _10._ love of others as the girls reached out to him.