在协议规定的IS95A的硬切换方案中,采用纯软件方法实现的是()
A、PBU
B、PBD
C、RTD
D、RBD
参考答案:C
根据音标和句意写单词。
1.We _____ come to the dancing club on Wednesdays .
2.It's good for our health to eat_____ every day .
3.You can find the books about animals on the _____over there .
4.My mother cooks dishes with a little _____ .
5.We need to eat food to get enough _____ .
简述线粒体的结构?