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【简答题】
下列各项中,应确认投资收益的事项有( )。
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【单选题】I often visit my parents, who live in the countryside whenever ____.
A.
I am convenient
B.
it will be convenient to me
C.
I will be convenient
D.
it is convenient to me
【单选题】图示电路中,N为含源线性电阻网络,其端口伏安特性曲线如图(b)所示,其戴维南等效电路参数为( )。
A.
Uoc=-12V,R0=-3Ω
B.
Uoc=-12V,R0=3Ω
C.
Uoc=12V,R0=3Ω
D.
Uoc=12V,R0=-3Ω
【单选题】I often visit my parents, who live in the countryside whenever_______.
A.
I am convenient
B.
it is convenient to me.
C.
I will be convenient.
D.
it will be convenient to me.
【简答题】图所示电路中N为含源线性电阻网络。当S断开时,U ab =12V;当S合上时,U ab =14V。求N的戴维南等效电路。
【单选题】—Who do you often go to see Beijing Opera ___________? —My parents. [     ]
A.
for
B.
to
C.
in
D.
with
【单选题】在1:100的图纸中,标高的三角形高度为?
A.
100
B.
300
C.
500
D.
1000
【单选题】Children who are often ______ by their parents are easily spoiled. [     ]
A.
given in
B.
given up
C.
given in to
D.
give in to
【简答题】Parents who smoke often open a window or turn on a fan to clear the air for their children, but experts now have identified a related threat to children's health that isn't as easy to get rid of: thir...
【简答题】Parents who often punish their children ___have less patience.
【单选题】参见图示。两交换机已形成Trunk链接,并已配置了VTP,但在SWA上新增加VLAN,SWB上未能收到,其可能的原因是?
A.
SWA的配置版本比SWB低
B.
SWB的域名与SWA的不一致
C.
SWA的修剪模式没有启用
D.
SWB的修剪模式没有启用
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