阅读理解

    Remember Tony and Peter．the twin brothers who started singing at the age of five?The little boys are now twenty—five years old and will come back home for the first time since they left ten years ago．They will sing to celebrate the 100th birthday of our beautiful town．

    Tony and Peter are famous for their wonderful voices．They are popular with both young and old people．Three years ago,the brothers organized the Garbage Can with their three cousins．The five of them started to write their own songs and have become successful．In the coming concert in Greentown,the Garbage Can is going to sing their bestloved songs and several new ones．

    The concert will be at Apple Park at 7 pm on 10th october．Fans who do not want to miss it should get to the park as early as possible．

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如图为近视眼的成像特点及矫正示意图，据图分析有关近视眼的描述，错误的是（   ）

如图，斜边长12cm，∠A=30°的直角三角尺ABC绕点C顺时针方向旋转90°至△A′B′C的位置，再沿CB向左平移使点B′落在原三角尺ABC的斜边AB上，则三角尺向左平移的距离为____ cm．（结果保留根号）

阅读下列材料，回答问题

材料一：至恭亲王奕訢等奏请购买外洋船炮，则为今日救时之第一要务……可以剿发捻，可以勤远略。                                ──曾国藩《复陈购买外洋船炮折》

材料二：三权分立，然后政体备。以我朝论之，皇上则为元首，百体所从，军机号为政府，出纳王命。                               ──康有为《应诏统筹全局折》

材料三：义和团揭帖：神助拳，义和团，只因鬼子闹中原……挑铁路，把线砍，旋再破坏大轮船；大法国，心胆寒，英吉、俄罗势萧然。一切鬼子全杀尽，大清一统升庆平。                    ──《拳匪纪实》

材料四：我中国今日欲脱满洲人之羁缚，不可不革命；我中国欲独立，不可不革命……以期建立中华共和国。                        ──邹容《革命军》

（注：邹容，宣传资产阶级革命思想的杰出人物，代表作《革命军》．）回答：