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【单选题】
在探究“二氧化碳是光合作用必需的原料”实验中,氢氧化钠溶液的作用是
A.
吸收氧气
B.
吸收二氧化碳
C.
吸收碘液
D.
吸收水
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【单选题】下列路由协议中,属于外部路由协议的是 。
A.
BGP
B.
OSPF
C.
RIP
D.
EIGRP
【简答题】Americans can travel almost anywhere they choose. But to protect its people, the government lists a few erous places where Americans cannot go. These places are unfriendly countries or countries a...
【单选题】下面哪一种路由协议属于外部网关协议
A.
OSPF;
B.
RIP;
C.
IS-IS;
D.
BGP;
【多选题】遗忘的规律,主要表现在
A.
遗忘的速度是先快后慢
B.
识记材料的特点对遗忘有影响
C.
学习程度对遗忘有明显影响
D.
遗忘的进程是均衡的
【单选题】Internet网络的主要节点设备是路由器,现在在Internet上运行的路由协议中,()属于外部网点协议。
A.
RIP
B.
OSPF
C.
BGP
D.
RIP和OSPF
【单选题】rip协议为距离矢量路由协议,ospf协议属于( )类型路由协议
A.
距离矢量
B.
链路状态
C.
外部网关
【简答题】The Blessing and Curse of the People Who Never Forget A handful of people can recall almost every day of their lives in enormous detail—and after years of research, neuroscientists (神经科学专家) are finall...
【单选题】.That’s such a good radio _____ almost every one wants to buy ____people can pick up many channels about the world..
A.
that, as
B.
as, as
C.
as, that
D.
that, that
【判断题】OSPF 属于外部网关路由协议。
A.
正确
B.
错误
【单选题】. With mobile phones, it’s easier to communicate with people because you can __________them    almost any time .
A.
touch
B.
get
C.
reach
D.
hear
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