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【单选题】
在OSI 参考模型中,第N层和其上的N+1层的关系是
A.
N层为N+1层提供服务
B.
N+1层将为从N层接收的信息增加了一个头部
C.
N层利用N+1层提供的服务
D.
N层对N+1层没有任何作用
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举一反三
【单选题】The specific DNA sequences to which the transcription factors bind are referred to as _____
A.
replication elements
B.
blocking factors
C.
transcription factors
D.
regulatory elements
【判断题】( )山楂是蔷薇科植物山里红干燥成熟果实。
A.
正确
B.
错误
【判断题】只有热力学上自发的反应才能够找到催化剂。
A.
正确
B.
错误
【单选题】In the specific factors model, labor is defined as a(an)
A.
variable factor.
B.
specific factor.
C.
fixed factor.
D.
mobile factor.
E.
intensive factor.
【单选题】In the specific factors model, which of the following is treated as a specific factor?
A.
land
B.
food
C.
cloth
D.
technology
E.
labor
【单选题】In the specific factors model, which of the following is treated as a specific factor?
A.
food
B.
land
C.
labor
D.
technology
【单选题】In the specific factors model, which of the following is treated as a specific factor?
A.
capital
B.
labor
C.
cloth
D.
Food
E.
technology
【单选题】只有在()上自发的反应才能够找到催化剂。
A.
电磁学
B.
热力学
C.
光学
D.
量子力学
【单选题】In the specific factors model, which of the following is treated as a specific factor?
A.
Land
B.
Labor
C.
Cloth
D.
Food
E.
Technology
【简答题】6S管理的主要内容是什么?
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