作文：

       近日，一组《一个馒头的诞生》图片在网上走红。这组图片拍摄的是华中师范大学桂香园食堂卢水建师傅凌晨做馒头的全过程。这组图片打动了众多网友，更让人感动的是，该校10年来馒头一直没涨价，1元钱4个，从2003年一直卖到现在。馒头虽然便宜，但分量却十足，每个馒头都会由卢师傅亲自过称，不能低于80克。

       阅读上面材料，自选角度自拟题目作文。

    Hello，I'm Danny．This is my day．I get up at seven o'clock every morning. I wash my face and get dressed(穿上衣服)．Then I have breakfast．After that I brush my teeth．I pack my bag and take nay lunch．I like sandwiches．I go to school by bus．I have four classes in the morning．I have lunch at twelve o'clock．Then I have two classes in the afternoon. I go home at half past three．I play with my friends or watch TV．Then I do my homework. I have dinner with my family．I have a shower and brush my teeth．I go to bed at eight o'clock．Busy day is finished．

LED灯带在装饰材料中被广泛应用．小梅同学在研究其内部结构时发现，灯带中的LED灯串联后经电源适配器接入照明电路，如所示．她取下一只LED灯接在电池两端，灯不亮，对调电池正负极后灯亮了，但用手触摸几乎不发热．以下推断不符合上述事实的是（　　）

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细胞分裂时，染色体通过____，数目加倍，然后平均分配到两个子细胞中，保持了分裂前后____的稳定．