Dear friend,
       I am an American (美国的 ) girl. My name is Alice Green. I am a middle school student. I am fifteen. I have two brothers. They are middle school students, too. We go to school from Monday to Friday. We don't have any classes on Saturdays and Sundays. My father and mother are teachers. They always say China is great. I like reading. I am reading a Chinese book. I think it's very interesting. My brothers and I like playing football and basketball. What sports do you like?
     Let's be good pen pals (笔友), OK? Please write to me soon.
Yours,
Alice Green

—Because her car doesn't work on the way.

下列加线词意义和用法相同的一组是( )

根据拼音写出相应的汉字。

      光阴蹉跎，世界喧xiāo ____ ，我自己要警惕，在人生lǚ____途上保持一份童趣和闲心是不容易的。如果哪一天我只是埋头于人生中的种种事物，不再有兴zhì____趴在车窗旁看沿途的风光，倾听内心的音乐，那时候我就真正老了俗了，那样便ɡū____负了人生这一趟美好的行程。

数学课上，小林同学用n个小立方块搭成一个几何体，从三个方向看到的图形如图所示，则n的值是____ ．