用显微镜观察洋葱表皮细胞，第一次使用的目镜为10×，物镜为10×；第二次使用的目镜为5×，物镜为10×．第二次在视野中看到的物象与第一次看到的物象相比（　　）

已知定义在区间0，2上的函数y=f（x）的图象如图所示，则y=f（2﹣x）的图象为（　　）

俄罗斯总理普京在回答“您怎样看待苏联解体”时，引用俄罗斯家喻户晓的一句话说：“谁不为苏联解体而惋惜，谁就没有良心；谁想恢复过去的苏联，谁就没有头脑。”大多数俄罗斯人不想恢复“过去的苏联”，主要原因是苏联（   ）

    Yesterday I stepped into a restaurant for lunch. As I was waiting my order to come, I noticed the old man in a wheelchair roll himself over to a table. No one and me seemed to notice him. I got up and go over to his table and asked if that I could get him something to drink. He smiled and said," Thank you. You are generously. I'd like any orange juice, please."When I was getting ready to leave, I walked by the old man's table to saying goodbye. He thanked me again and told me I had made his days, coming over and helping him out. I gave him a hug and told him he had made my day, either.

在中国古代，“中央政府的组织，皇权相权是划分的，期间比重纵有不同，但总不能说一切由皇帝专制”。这一状况被彻底改变始于（    ）