问题
单项选择题
下列关于综合布线系统的描述中,错误的是______。
A.STP比UTP的成本高
B.对于高速率终端可采用光纤直接连接到桌面的方案
C.建筑群子系统之间一般用双绞线连接
D.多介质插座用来连接铜缆和光纤
答案
参考答案:C
下列关于综合布线系统的描述中,错误的是______。
A.STP比UTP的成本高
B.对于高速率终端可采用光纤直接连接到桌面的方案
C.建筑群子系统之间一般用双绞线连接
D.多介质插座用来连接铜缆和光纤
参考答案:C
完形填空。 |
I 1 you're well. I'm 2 holiday in London with my friend Jenny. We arrived 3 plane last Monday and 4 a taxi to our hotel. I went for a walk in Hyde Park but Jenny 5 with me 6 she was tired. Then 7 Tuesday we saw the clock, Big Ben, and Buckingham Palace. Queen Elizabeth lives in the palace, but we didn't see her. I 8 some presents. 9 day we visited the British Museum 10 had dinner in a Chinese restaurant. |
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