black

外语考试试题及答案解析

单项选择题

案例分析题

__________(1)wrote，“Friendships are，from year to year，the best of all life's treasures.”But__________(2)a good friend to someone is never simple or easy.It__________(3)wisdom and lots of hard work.Demanding that a friend give his full attention__________(4)you can destroy a relationship.Let your friend decide for himself __________(5)to spend time with.

3. （）

A.required
B.requires
C.require
D.requiring

相关考题

单项选择题 2. （）

单项选择题 1. （）

单项选择题 Hardware networking devices operate within the protocol stack just like protocols them-selves.Thus，hardware networking devices can be associated with an OSI model layerrelated to the protocols they manage or control.At which layer of the OSI model does arouter operate？（）

All Rights Reserved 版权所有©求知题库网库(csqiuzhi.com)

备案号：湘ICP备14005140号-1

经营许可证号：湘B2-20140064