多年来，我们党和政府高度重视少数民族地区的经济发展，维护民族团结，促进社会主义和谐社会建设。
请问我国为维护民族团结、促进各民族共同繁荣采取了哪些政策或措施？ 

如图是某反应的微观示意图，若○表示氧原子，●表示氢原子，有关说法正确的是（　　）

魏晋时期内迁的北方少数民族有匈奴、鲜卑、羯、犬戎和羌等族。（   ）

完形填空

通读下面的短文，掌握其大意，然后从各题所给的A、B、C三个选项中选出一个最佳答案。

    I'm Sandy. I'm 1  eleven-year-old girl. I think my parents are 2 with me. Do you know why? Now let me tell you.

    There are too many rules at my home. I have to  3 for 15 minutes every morning. My parents think running is good for health, 4 I don't like running. My things 5 be everywhere. I must 6 my room tidy. After school, I can't play with my friends,   7. I have to go home to do my  8. I often ask my mother, “Mom, can I watch TV?” She always 9, “Do you finish your homework? If you do, it's time for 10 to play the violin.” I have to practice the violin for an hour every evening.

    I don't like the rules at my home. Are there any rules at your home?