根据短文理解, 从A、B、C、D四个选项中选择正确答案填空。

    Mr. Smith 1 from London. Now he is in China. He is 2. He teaches 3 a middle school. He works very hard. His students like 4 very much. He can 5 a little Chinese. His students often teaches him Chinese 6 Sundays. Mr. Smith likes playing football. He often plays football 7 his students.

    Mr. Smith 8 a son. His name is Jack. He is student. He studies in a middle school. He goes to school 9 bike everyday. He gets back home at four in the afternoon. He likes 10 TV in the evening.

进行测量时，若因时间等因素限制，可以只测量一次，也能获得可靠的数据。（判断对错）

如图，用大小相等的小正方形拼成大正方形网格．在1×1的网格中，有一个正方形；在1×1的网格中，有1个正方形；在2×2的网格中，有5个正方形；在3×3的网格中，有14个正方形；…，依此规律，在4×4的网格中，有____个正方形，在n×n的网格中，有____个正方形．

在俄罗斯首都莫斯科红场旁边有一座宏伟塑像，纪念的是曾经解放了千百万农奴、并最终引领俄国抛弃了落后社会制度的改革者。他是（  ）