题目

阅读理解 Every year on my birthday, from the time I turned 12,a white gardenia（栀子花）was sent to my house. No card came with it．Calls to the flower shops were not helpful at all. After a while I stopped trying to discover the sender's name and was just very pleased with the beautiful white flower in soft pink paper.     But I never stopped imagining who the giver might be, Some of my happiest moments were  spent daydreaming about the sender. My mother encouraged this imagining. She'd ask me if there was someone for whom I had done a special kindness. Perhaps it was the0.936中的”9”在________位上，表示________； ”6”在________位上，表示________；比它大千分之一的数是________；比它小百分之一的数是________。