问题
单项选择题
ZXDSL 831C中，在以太网端口设定中，802.1P优先级设定，设定范围为（），如果超出范围系统会提示出错。
A.0-7
B.0-8
C.1-7
D.1-8
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
ZXDSL 831C中，在以太网端口设定中，802.1P优先级设定，设定范围为（），如果超出范围系统会提示出错。
A.0-7
B.0-8
C.1-7
D.1-8
参考答案：A
| 完形填空。 | ||||
| Don't waste precious (宝贵的) time because time __1__ will never return. Time passes very quickly. Some students __2__ they do not have enough time __3__ prepare all their lessons. That's because they do not know __4__ make sure of their time; __5__ they waste it in doing some useless things. Why do men work? Why do they study? Why do we go to school __6__ in the morning? What do trains run so fast? Why do __7__ people prefer taking buses instead of __8__? The __9__ is very simple: we wish to save time because time is precious. Remember that time is more valuable than money. | ||||
|