一个完整的IP网络中业务接入控制点以下的二层网络属于()。
A.骨干网
B.城域网
C.接入网
D.核心网
参考答案:C
轧制温度低,粗轧道次相应温降()。
A.大
B.小
C.无影响
D.未定
根据汉语提示完成句子。
1. She said that she ______ (正在准备) her lessons.
2. The teacher told us that the earth ______ (围着太阳转).
3. He didn't told us ______ (他要去哪里).
4. The policeman asked the woman ______ (是否出了什么问题).
5. Father told him in a loud voice ______ (不要放弃).