①是坚持各民族共同繁荣原则的表现
②是发挥各民族特长和优势的表现
③能够强化各民族的宗教信仰
④能增强民族凝聚力,巩固民族团结
.
在点
处的切线方程;
,当
时,求证:
.

的⊙O与边长为8的等边三角形ABC的两边AB、BC都相切,连接OC,则sin∠OCB=.
读图回答下题。
2升= | 5 |
Mike and I are classmates. He is one year than me, but I'm than him. Usually we take a bus to school. It's and safer than walking. But we were both for school this morning. Because something was wrong with the bus, we had to come to school.
It is 8: 30 a.m. at the Chengdu Research Base. At 9: 00 a.m., they find that most of the babies are already awake and hungry. Some of them even walk into their friends and fall over!
Lin Wei, one of the panda keepers, says," I take care of them like they're my own babies. I wash, feed and play with them every day. " In fact, many people around the world love these black and white animals.
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A. They're so cute and lovely. B. Pandas have become so popular that they are now a symbol of China. C. Panda keepers are preparing milk for the baby pandas' breakfast. D. When the babies see the keepers, they run over with excitement. E. They're very special to me. |
读等高线示意图,完成下列各题。
