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【单选题】
在开放系统互联参考模型OSI中,数据以分组为单位进行传输的是A.
数据链路层
B.
网络层
C.
传输层
D.
会话层
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【单选题】Sometimes it is desirable to connect a member both by riveting and welding. Which statement is TRUE concerning this procedure?
A.
Tearing through the member is more likely in this type connection
B.
The weld may be broken by the stresses caused by riveting
C.
The weld increases the tensile stress on the rivet heads
D.
The welding must be completed before the riveting commences
【单选题】The reason for their unusual behavior. remains a puzzle.
A.
mystery
B.
fact
C.
statement
D.
game
【单选题】In relation to a guarantee accepted as security by a bank, which of the following statements is incorrect?______.
A.
The guarantor incurs primary liability.
B.
If the debt secured proves to be legally unenforceable, the surety nevertheless remains liable.
C.
If there is more than one surety, all must sign the guarantee before it is enforceable against any of them.
D.
None of the above.
【单选题】The story reveals a lot about the reality of the time. Which of the following statements is probably NOT TRUE?
A.
The climbing irons and plumber’s friends indicate the inadequacy of the character in dealing with the task ahead.
B.
“The sidewalks were full of dogshit in brilliant colors.” This unveils the ugliness of the real world.
C.
Some people were“cutting down trees…with power saw.”This hints at city expansion and industrial development.
D.
The glass mountain represents the typical architecture of modern society: the skyscraper.
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