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【简答题】
● Both bus and tree topologies are characterized by the use of multipoint （71）. For the bus, all stations attach, through appropriate hardware（72）known as a tap, directly to a linear transmission medium, or bus. Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the （73）. A transmission from any station propagates the length of the medium in both directions and can be received by all other （74）.At each end of the bus is a （75) , which absorbs any signal, removing it from the bus. （71） A. medium B. connection C. token D. resource （72） A. processing B. switching C. routing D. interfacing （73） A. tree B. bus C. star D. ring （74） A. routers B. stations C. servers D. switches （75） A. tap B. repeater C. terminator D. concentrator
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【多选题】采用文克勒地基模型计算地基梁板时, ( ) 正确。
A.
基床系数是地基土引起单位变形时的压力强度
B.
基床系数是从半无限体理论中导出的土性指标
C.
按文克勒地基模型计算，地基变形只发生在基底范围内，基底范围以外没有地基变形
D.
文克勒地基模型忽略了地基中存在的剪应力
【单选题】It is hoped that the prisoner will be released through the______of the president himself.
A.
convention
B.
intervention
C.
interference
D.
concession
【单选题】It is hoped that the third part should be a truly impartial observer of events.
A.
impassive
B.
genius
C.
related
D.
unprejudiced
【单选题】It is hoped that the teaching reform. ____ in our school at present will bring the ___ result to the students.
A.
carried out, desiring
B.
carrying out, desired
C.
to carry out, desired
D.
being carried out, desired
【多选题】采用文克勒地基模型计算地基梁板时，下列（）选项正确。
A.
基床系数是地基土引起单位变形时的压力强度
B.
基床系数是从半无限体理论中导出的土性指标
C.
按文克勒地基模型计算，地基变形只发生在基底范围内，基底范围以外没有地基变形
D.
文克勒地基模型忽略了地基中存在的剪应力
【简答题】I soon put the ring away because I thought it was a n
【单选题】It is hoped that the president’s visit will a better understanding between the two countries.
A.
make for
B.
count on
C.
show off
D.
take up
【单选题】It is hoped that the prisoner will be released through the ______ of the president himself.
A.
intrusion
B.
interruption
C.
intervention
D.
interference
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