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【多选题】
以下关于铁路工程的说法错误的是()。
A.
铁路是为供机车牵引车辆组成的列车循轨道行驶的交通线路，它是将两条截面呈工字形的（钢）铁轨平行固定在轨枕上构成。无需设置路基
B.
钢轨是承受并传递轨道重力及列车动态作用的结构，是轨道的基础
C.
划分地铁与轻轨的依据单向最大高峰小时客流量的大小：地铁的客流量为 3-6 万人次，轻轨的客流量为 1-3 万人次
D.
地铁平面曲线半径不小于 300 米，而轻轨一般在 100 米到 200 米之间
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【单选题】阅读下文，回答题 On November 19, 1863, Abraham Lincoln went to Gettysburg in Pennsylvania to speak at the National Soldiers Cemetery. The Civil War was still going on. There was much criticism of Presi-dent L...
A.
very critical
B.
unpopular
C.
very popular
D.
very courteous
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【判断题】()如果一台主机的F地址为20.22.25.6,子网掩码为255.255.255.那么该主机的主机号为25
A.
正确
B.
错误
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【单选题】对于C 类IP地址,子网掩码为 255.255.255.,则能提供子网数为( )
A.
16
B.
32
C.
30
D.
28
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【单选题】将一个子网掩码为255.254.0.0的网络可以划分成( )个子网掩码为255.255.192.0的网络
A.
2
B.
4
C.
8
D.
16
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【单选题】阅读下文，回答题 Trees are useful to man in three important ways: they provide him with wood and other prod-ucts; they give him shade; and they help to prevent droughts and floods. Unfortunately, in many part...
A.
They help him make money
B.
They give him wood and other products
C.
They help him prevent droughts and floods
D.
They give him shade
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【单选题】子网掩码不能单独存在，它必须结合IP地址一起使用。子网掩码只有一个作用，就是将某个IP地址划分成_______和主机地址两部分。
A.
DNS
B.
IP地址
C.
网络地址
D.
网关
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【单选题】夏季里会叫的蝉是?
A.
雌蝉
B.
雄蝉
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【单选题】将一个子网掩码为255.255.255.0的网络可以划分成( )个子网掩码为255.255.255.192的网络。
A.
2
B.
4
C.
8
D.
16
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【单选题】西湖龙井茶属于()类绿茶
A.
长炒青
B.
圆炒青
C.
扁炒青
D.
晒青
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【单选题】阅读下文，回答题 All the useful energy at the surface of the earth comes from the activity of the sun. The sun heats and feeds creatures and mankind. Each year it provides men with two hundred million tons of...
A.
gasoline
B.
natural gas
C.
atomic power
D.
animal fat
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【单选题】阅读下文，回答题 On November 19, 1863, Abraham Lincoln went to Gettysburg in Pennsylvania to speak at the National Soldiers Cemetery. The Civil War was still going on. There was much criticism of Presi-dent L...
A.
very critical
B.
unpopular
C.
very popular
D.
very courteous
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【判断题】()如果一台主机的F地址为20.22.25.6,子网掩码为255.255.255.那么该主机的主机号为25
A.
正确
B.
错误
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【单选题】对于C 类IP地址,子网掩码为 255.255.255.,则能提供子网数为( )
A.
16
B.
32
C.
30
D.
28
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【单选题】将一个子网掩码为255.254.0.0的网络可以划分成( )个子网掩码为255.255.192.0的网络
A.
2
B.
4
C.
8
D.
16
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【单选题】阅读下文，回答题 Trees are useful to man in three important ways: they provide him with wood and other prod-ucts; they give him shade; and they help to prevent droughts and floods. Unfortunately, in many part...
A.
They help him make money
B.
They give him wood and other products
C.
They help him prevent droughts and floods
D.
They give him shade
查看完整题目与答案
【单选题】子网掩码不能单独存在，它必须结合IP地址一起使用。子网掩码只有一个作用，就是将某个IP地址划分成_______和主机地址两部分。
A.
DNS
B.
IP地址
C.
网络地址
D.
网关
查看完整题目与答案
【单选题】夏季里会叫的蝉是?
A.
雌蝉
B.
雄蝉
查看完整题目与答案
【单选题】将一个子网掩码为255.255.255.0的网络可以划分成( )个子网掩码为255.255.255.192的网络。
A.
2
B.
4
C.
8
D.
16
查看完整题目与答案
【单选题】西湖龙井茶属于()类绿茶
A.
长炒青
B.
圆炒青
C.
扁炒青
D.
晒青
查看完整题目与答案
【单选题】阅读下文，回答题 All the useful energy at the surface of the earth comes from the activity of the sun. The sun heats and feeds creatures and mankind. Each year it provides men with two hundred million tons of...
A.
gasoline
B.
natural gas
C.
atomic power
D.
animal fat
查看完整题目与答案
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