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【单选题】
电解质 B 的水溶液,设 B 电离后产生 ν + 个正离子和 ν - 个负离子,且 ν = ν + + ν - ,下 列各式中,不能成立的是:
A.
a ± = a B
B.
a ± = a B 1/ ν
C.
a ± = γ ± ( m ± / m  )
D.
a ± = ( a + ν + · a - ν - ) 1/ ν
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举一反三
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【简答题】Fish in the troubled waters.
【单选题】吸入气雾剂中药物的主要吸收部位
A.
气管
B.
咽喉
C.
鼻粘膜
D.
肺泡
E.
口腔
【简答题】to fish in troubled waters
【单选题】A laminar flow is formed when a fish swims ____________.
A.
slowly through the water
B.
rapidly through the water
C.
against the cunent
D.
at the fastest speed in water
【简答题】fish in troubled waters___
【单选题】fish in troubled waters 意思是指 ( )。
A.
惹麻烦的鱼
B.
浑水摸鱼
【单选题】A Catalyst switch has just been installed and configured, and is not working as expected. You have decided to capture multiple show command outputs to study. Which one command could you use that inclu...
A.
show configuration
B.
show memory
C.
show stacks
D.
show tech-support
【单选题】吸入气雾剂中药物的主要吸收部位是( )。
A.
气管支气管
B.
咽喉
C.
鼻黏膜
D.
肺泡
E.
口腔
【单选题】查看X.25交换虚电路表的命令是()。
A.
show x25 switch-vc-table
B.
show x25 route
C.
show interface
D.
show x25 map