UIM单板上可以实现()T网交换。
A.16K
B.64K
C.128K
D.256K
参考答案:A
The first textbooks written for teaching English as a foreign language _____ in the 16th century. [ ]
A. came about
B. came out
C. came along
D. came up
国家安全监管总局关于召开全国安全生产工作会议的通知
文中结构层次序数使用不当,应改为______。
A.一、 B.(一)C.(1) D.①