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【单选题】
远程登录协议Telnet、电子邮件协议SMTP、文件传送协议依赖( )协议。
A.
UDP
B.
TCP
C.
ICMP
D.
IGMP
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参考答案:
举一反三
【单选题】Morphology is the study of______.
A.
the internal structure of words and the rules that govern their formation
B.
the uses of different types of utterances in different contexts
C.
the differences between sounds used in human languages and sounds in nature
D.
the rules that pertain to all languages throughout the world.
【单选题】The carriers participation in the system is determined by__________.
A.
the US federal government
B.
mobile phone users
C.
the carriers themselves
D.
the law of the United States
【单选题】Which of the following is NOT the reason that makes her so furious at the aims of the government?
A.
She thinks it is the taxpayers that will pay for all the aims.
B.
She thinks the plans of the government unrealistic.
C.
She thinks the plans are too good to be true.
D.
She thinks the government irresponsible in making such plans.
【单选题】If my brother come, gove him this letter.
A.
would
B.
should
C.
will have
D.
ought
【单选题】采用面罩给氧时,氧流量一般为
A.
2~4L/minn
B.
4~6L/min
C.
6~8L/min
D.
8~10L/min
E.
10~12L/min
【单选题】动态路由协议RIP选路的标准是
A.
跳数
B.
链路带宽
C.
混合度量
D.
延迟
【单选题】某有色溶液浓度为 c 时,透光度为 T 0 。将其浓度稀释为原来的1/2 时,其吸光度为 :
A.
0.5 T 0 ;
B.
2 T 0 ;
C.
- lg0.5 T 0 ;
D.
-0.5 lg T 0
【简答题】RIP协议选择路由的度量标准(metric)是跳数,最大跳数是 跳。
【单选题】判定系数 r 2 的值越大,则回归直线()。
A.
拟合程度越低
B.
拟合程度越高
C.
偏离原始数据点越远
D.
进行预测越不准确
【简答题】Gove
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