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【单选题】
何种导管次生壁增厚呈网状,网眼是未增厚的部分:
A.
梯形导管
B.
导管
C.
网纹导管
D.
螺纹导管
E.
环纹导管
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参考答案：
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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】若 市场组合的收益率为 15% , 同期 无风险收益率 为 10% 。 则市场组合的风险收益率为 5% 。
A.
正确
B.
错误
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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】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 pr 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 pr 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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【简答题】将B类IP地址168. 195.0.0划分成27个子网，则子网掩码为 ( )。
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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 suce 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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相关题目：
【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
查看完整题目与答案
【判断题】若 市场组合的收益率为 15% , 同期 无风险收益率 为 10% 。 则市场组合的风险收益率为 5% 。
A.
正确
B.
错误
查看完整题目与答案
【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
查看完整题目与答案
【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
查看完整题目与答案
【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 pr 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 pr 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
【简答题】将B类IP地址168. 195.0.0划分成27个子网，则子网掩码为 ( )。
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 suce 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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