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【单选题】
The time required to propagate from the beginning of the link to the next router is ( ).A.
queuing delay
B.
processing delay
C.
propagation delay
D.
transmission delay
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【简答题】Why does promotion matter so much for those who have already acquired high social status?
【单选题】The reason why many American young people were involved in the social movements of the 1960s was that ____.
A.
They resented traditional white male values in US society.
B.
They love America so much.
C.
They thought they knew better than their teachers.
D.
They viewed the adult world with grave doubt.
【单选题】汉字是表意体系的(),从古至今没有出现大的断层,字形本身携带了众多古代的信息。对研究中华民族的历史与文化等,有特殊的意义。
A.
文字
B.
系统
C.
作用
D.
发展
【多选题】发动机采用水冷的优点。
A.
使发动机在所有的工况下都保持在适当的温度范围内
B.
冷却均匀
C.
通过冷却液套使燃烧噪声得到有效地衰减
D.
能提供乘客室取暖所需的热量
【单选题】Why do teens drink? Reasons vary from ______ pressure to family patterns to social conditioning.
A.
spouse
B.
peer
C.
antagonist
D.
competitor
【单选题】Why do some people use social networking sites?
A.
To get help with homework.
B.
To keep in touch with families or friends who live far away.
C.
To arrange their social life.
D.
To play games.
【单选题】Why does the professor say this:
A.
To illustrate the social importance of the hallway
B.
To explain how walls determine who may enter a room
C.
To point out that homes are larger than in the past
D.
To describe the flow of traffic in the typical home
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