在点—点式网络中,每条物理线路连接一对计算机。假如两台计算机之间没有直接连接的线路,

题型:单项选择题

问题:

在点—点式网络中,每条物理线路连接一对计算机。假如两台计算机之间没有直接连接的线路,那么它们之间的分组传输就要通过中间结点的( )。

A.广播

B.接入

C.存储转发

D.共享

考点:计算机等级考试网络技术网络基本概念(三)
题型:单项选择题
选词完成句子。每题1分,共10分 从所给的词或词组中挑选出10个,并用其适当形式填入句中。
 be concerned about       be sentenced to death   on purpose   as if
because of   make use of    such as    ever since   equal   ignore
graduate    actually     reliable        disagree      rescue    
小题1:He is a/an ___________ man. You can turn to him whenever you are in trouble.
小题2: There is no doubt that the man who murdered his wife and children _________________________.
小题3:Everybody outside is carrying an umbrella _______________ it is raining.
小题4:Animals __________rabbits and deer continue to be active all winter,finding food wherever they can .
小题5:___________then, he never stopped searching for new and better ways to do things.
小题6:He has been working in that factory after his _______________ from the technical school.
小题7:He pretended to be asleep but________, he was awake.
小题8:To attract his attention, she broke a glass ____________.
小题9:Not all men are _________ in ability. That is to say, some men are able while others may not be so able.
小题10: My mother is devoted to our family and she ______________our family no matter where she is.
题型:单项选择题

My school is _____ the end of the second road.[ ]

A. on        

B. in        

C. at      

D. of

题型:单项选择题

用于免疫荧光显微技术的标本中,因结果不稳定,非特异反应强且操作繁琐而不宜采用的是()

A.细菌涂片

B.细胞涂片

C.组织印片

D.组织冷冻切片

E.组织石腊切片

题型:单项选择题

正常生产时脱氢反应器入口温度应()出口温度。

A.大于

B.小于

C.等于

D.小于或等于

题型:单项选择题

描述典型胆囊结石的是

A.胆囊内的强回声光团
B.结石光团可单发
C.结石光团可多发
D.结石光团极少伴有声影
E.结石光团可随体位改变而移动

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