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【单选题】
交感神经兴奋时尿量减少的主要原因是A.
肾小球毛细血管血压下降
B.
肾小球滤过面积减少
C.
滤过膜通透性降低
D.
血浆胶体渗透压升高
E.
肾小囊内压升高
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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
【单选题】When we want to【56】other people what we think, we can do it not only with the help of words, but also in many【57】ways. For example, we sometimes move our heads【58】when we want to say 'yes', and we mov...
A.
say
B.
speak
C.
tell
D.
talk
【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】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 things that...
【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
【单选题】区域边界路由器?
A.
为所有区域维护一个数据库
B.
为所连接的每个区域维护一个独立的数据库
C.
维护两个数据库:骨干一个,其他所有区域一个
D.
为每个区域维护一个独立的路由表
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