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【单选题】
下面关于肺泡表面活性物质的说法错误的是：（）
A.
肺泡表面活性物质是由肺泡II型细胞合成释放的
B.
可降低肺泡液-气界面的表面张力而使肺泡的回缩力减小
C.
可减小肺间质和肺泡内的组织液的生成，防止肺水肿的发生
D.
防止肺不张，使肺顺应性减小，减小肺的弹性阻力
E.
有助于维持肺泡的稳定性
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举一反三
【单选题】具有磁性的物体叫做()。
A.
磁性
B.
磁体
C.
磁极
D.
磁场
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【单选题】The OSI(66)model, sometimes also called ISO or 7 layers reference model for communication, has been developed by the International Standards Organization in early 1980's.
A.
referent
B.
reference
C.
referance
D.
refering
查看完整题目与答案
【单选题】In the OSI reference model, hub works on ( ) .
A.
physical layer
B.
data link layer
C.
network layer
D.
transport layer
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【单选题】is the 4th layer of the OSI reference model responsible for reliable network communication between end nodes.
A.
Data link layer
B.
Session layer
C.
Transport layer
D.
Application layer
查看完整题目与答案
【多选题】What are the advantages of the OSI reference model?( )
A.
The OSI reference model provides compatibility between devices and A standard interface that facilitates standardization
B.
An important feature of the OSI reference model is its layered architecture. The layered design method can
C.
The OSI reference model is a theoretical description of the information transmission process that occurs between network devices and defines how each layer of functionality can be achieved through hardware and software
D.
neither of the above statements is true
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【简答题】OSI reference model was proposed by .
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【单选题】Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data?
A.
Application
B.
Presentation
C.
Session
D.
Transport
E.
Network
F.
Data-Link
查看完整题目与答案
【单选题】●The OSI (68) model，sometimes also called ISO or 7 layers reference model for communication.has been developed by the International Standards Organization in early 1980's. (68)
A.
referent
B.
reference
C.
referance
D.
refering
查看完整题目与答案
【多选题】What are the advantages of the OSI reference model?( )
A.
The OSI reference model provides compatibility between devices and A standard interface that facilitates standardization
B.
The OSI reference model is a theoretical description of the process of information transmission that occurs between network devices and defines how each layer of functionality can be achieved through hardware and software
C.
An important feature of the OSI reference model is its layered architecture. Hierarchical design approach can transform large and complex problems into several smaller and manageable problems
D.
neither of the above statements is true
查看完整题目与答案
【单选题】In the open systems interconnection (OSI) reference model, 'layer' means one of seven conceptually complete,(71) arranged groups of services, functions, and protocols, that extend across all open syst...
A.
rankly
B.
levelly
C.
layered
D.
hierarchically
查看完整题目与答案
相关题目：
【单选题】具有磁性的物体叫做()。
A.
磁性
B.
磁体
C.
磁极
D.
磁场
查看完整题目与答案
【单选题】The OSI(66)model, sometimes also called ISO or 7 layers reference model for communication, has been developed by the International Standards Organization in early 1980's.
A.
referent
B.
reference
C.
referance
D.
refering
查看完整题目与答案
【单选题】In the OSI reference model, hub works on ( ) .
A.
physical layer
B.
data link layer
C.
network layer
D.
transport layer
查看完整题目与答案
【单选题】is the 4th layer of the OSI reference model responsible for reliable network communication between end nodes.
A.
Data link layer
B.
Session layer
C.
Transport layer
D.
Application layer
查看完整题目与答案
【多选题】What are the advantages of the OSI reference model?( )
A.
The OSI reference model provides compatibility between devices and A standard interface that facilitates standardization
B.
An important feature of the OSI reference model is its layered architecture. The layered design method can
C.
The OSI reference model is a theoretical description of the information transmission process that occurs between network devices and defines how each layer of functionality can be achieved through hardware and software
D.
neither of the above statements is true
查看完整题目与答案
【简答题】OSI reference model was proposed by .
查看完整题目与答案
【单选题】Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data?
A.
Application
B.
Presentation
C.
Session
D.
Transport
E.
Network
F.
Data-Link
查看完整题目与答案
【单选题】●The OSI (68) model，sometimes also called ISO or 7 layers reference model for communication.has been developed by the International Standards Organization in early 1980's. (68)
A.
referent
B.
reference
C.
referance
D.
refering
查看完整题目与答案
【多选题】What are the advantages of the OSI reference model?( )
A.
The OSI reference model provides compatibility between devices and A standard interface that facilitates standardization
B.
The OSI reference model is a theoretical description of the process of information transmission that occurs between network devices and defines how each layer of functionality can be achieved through hardware and software
C.
An important feature of the OSI reference model is its layered architecture. Hierarchical design approach can transform large and complex problems into several smaller and manageable problems
D.
neither of the above statements is true
查看完整题目与答案
【单选题】In the open systems interconnection (OSI) reference model, 'layer' means one of seven conceptually complete,(71) arranged groups of services, functions, and protocols, that extend across all open syst...
A.
rankly
B.
levelly
C.
layered
D.
hierarchically
查看完整题目与答案