皮皮学,免费搜题
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搜题
【单选题】
You are a senior network administrator at Ezonexam, and while performing the password recovery procedure on your 2500 series Cisco router, you type in the following command: o/r 0x2142 What is the purpose of this command?
A.
It is used to restart the router.
B.
It is used to bypass the configuration in NVRAM.
C.
It is used to enter ROM Monitor mode.
D.
It is used to view the lost password.
E.
It is used to save the changes to the configuration.
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皮皮学刷刷变学霸
举一反三
【单选题】治疗肺炎链球菌肺炎首选的抗生素是
A.
红霉素
B.
头孢噻肟钠
C.
林可霉素
D.
左氧氟沙星
E.
青霉素
【简答题】在图7-32所示电路中,已知:R1=R3=4kΩ,R2=2kΩ,C=2μF,U=20V,换路后电容电流iC的变化规律是( )mA。
【单选题】电路如图7-31(a)所示,已知R1=10Ω,R2=20Ω,uC(0一)=0,电路在t≥0暂态过程中,电容电压的变化曲线是图7-32(b)中的( )。
A.
B.
C.
D.
【多选题】慧能的禅宗吸取了()。
A.
儒家的性善论
B.
道家的自然主义
C.
竺道生的佛性论、顿悟说
D.
把道教的成仙看作成佛的必经步骤
【单选题】English ___more and more widely (广泛) today. So we must learn it well.
A.
uses   
B.
   used
C.
  is used
【单选题】移动图书馆通过那个栏目可以看到图书馆信息速递?
A.
常见问题
B.
馆藏查询
C.
学术资源
D.
有声读物
【单选题】治疗肺炎链球菌肺炎首选的抗生素是
A.
阿奇霉素
B.
头孢克肟
C.
青霉素 G
D.
庆大霉素
【简答题】在图2-32所示电路中,R1 = 2Ω,R2 = 3Ω,E = 6V,内阻不计,I = 0.5A,当电流从D流向A时:UAC = 、UDC = ;当电流从A流向D时:UAC = 、UDC = 。
【单选题】治疗肺炎链球菌肺炎首选的抗生素是
A.
青霉素
B.
庆大霉素
C.
氨苄西林
D.
磺胺嘧啶
E.
红霉素
【单选题】We can infer from the passage that .
A.
children today seem to be more obedient to their parents
B.
children in the 1970s enjoyed more freedom than those today
C.
the author became overprotective under the influence of her mother
D.
the social security back in the 1970s was no better than it is today
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