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【单选题】
The manager, as well as some workers ______ yesterday afternoon.A.
were working
B.
was working
C.
has been working
D.
have been working
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【单选题】When we want to【41】other people what we think, we can do it not only with the help of words, but also in many【42】ways. For example, we sometimes move our heads【43】when we want to say 'yes' , and we mo...
A.
say
B.
speak
C.
tell
D.
talk
【简答题】Great changes have been taken place in China since 197
【简答题】OSPF路由器主要有( )、区域边界路由器、非主干内部路由器和自治系统边界路由器。
【简答题】区域边界路由器
【简答题】has undergone great changes
【单选题】OSPF骨干区域负责在非骨干区域之间发布由区域边界路由器汇总的信息,骨干区域ID号为
A.
area 0
B.
area 1
C.
area 0.0.0.1
D.
area 0.0.0.2
【单选题】OSPF进行区域划分时其区域包括有内部路由器(IR)、区域边界路由器(ABR)、( )路由器(BR)和自治系统边界路由器(ASBR)。
A.
信息分发
B.
链路
C.
区域
D.
骨干
【简答题】阅读理解。 When we can see well, we do not think about our eyes often. It is only when we can not see perfectly that we come to see how important our eyes are. People who are nearsighted can only see thing...
【简答题】下图所示的OSPF网络由3个区域组成。在这些路由器中，漏于主干路由器的是（ ），属于区域边界路由器(ABR)钓是( )，属于自治系统边界路由器(ASBR)的是( )。 A.R1B.R2C.R5D.R8A.R3B.R5C.R7D.R8A.R2B.R3C.R6D.R8
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