具有保护、连接、营养作用的组织是

阅读下面短文，从短文后所给的A、B、C、D四个选项中选出能填入相应空白处的最佳选项。

Dear Sally,

    How are you? I'm happy that you can do the things you 1 at home. I never have fun, because there are too many 2 in my family. My parents are strict. I have to 3 at six o'clock every morning. And I have to make my bed 4 before breakfast and then go to school. I can't play with my friends after school. I have to do 5homework. After dinner I have to take the dog for 6 walk in the park. I can't watch TV on school nights. I have to 7 the violin for an hour. I can't go to bed late. I have to be in bed 8 nine o'clock. On weekends I have to clean my room and 9the dishes. I also have to go to learn the violin on Sundays. I'm 10 tired. Can you help me?

Yours,

Lisa

下列句子排序正确的一项是（    ）
       就在阶梯教室的旁边，有一座已经废弃的三层高的旧楼房。学校的一位小伙子告诉我们，那是老早以前的理化教学楼。              ，整座楼如在灿烂的火焰里燃烧，欢呼，我仿佛能听见从火焰里传来的狂歌和浩叹。
①如水的秋阳透彻、清亮，洒落在红叶上，瀑布就变成了火焰的峭壁。
 ②只见整整一面墙壁都被茂盛的枝藤紧紧地包裹起来。
 ③一场冲天大火在眼前翻卷，升腾，盘绕，幻化，闪耀。
 ④枝藤上的红叶像瀑布一样从楼顶倾泻而下。