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搜题
【多选题】
计算机网络的性能指标主要包括( )A.
速率
B.
带宽
C.
吞吐量
D.
E.
往返时间
F.
带宽积
G.
利用率
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举一反三
【单选题】He was about to tell me the secret ______ someone patted him on the shoulder.
A.
as
B.
until
C.
when
D.
while
【单选题】He was about to tell me the secret ______someone patted me on the shoulder. [ ]
A.
as
B.
until
C.
while
D.
when
【单选题】He was about to make a call to Tom _____ Tom patted me on the shoulder.
A.
as
B.
until
C.
while
D.
when
【单选题】---- What happened to you? ---- I ________ in the street when someone patted me on the shoulder, which frightened me.
A.
was about to walk
B.
was walking
C.
had walked
D.
walk
【单选题】The teacher said 'well done' and ______ me on the back.
A.
beat
B.
hit
C.
knocked
D.
patted
【单选题】He was about to tell me the secret _________ someone patted him on the shoulder.
A.
as
B.
until
C.
while
D.
when
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