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【单选题】
提出OSI模型是为( )
A.
建立一个设计任何网络结构都必须遵从的绝对标准
B.
克服多厂商网络固有通信问题
C.
证明没有分层的网络结构是不行的
D.
以上叙述都不是
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【单选题】A fishing vessel is approaching a vessel not under command. Which statement is true? ______
A.
The fishing vessel must keep clear of the vessel not under command
B.
If the vessel not under command is a power-driven vessel， she must keep clear of the fishing vessel
C.
They must exchange whistle signals
D.
Both vessels are required to take action to stay clear of each other
查看完整题目与答案
【单选题】A vessel not under command sounds the same fog signal as a vessel（）.
A.
towing
B.
constrained by her draft
C.
under sail
D.
All of the above
查看完整题目与答案
【简答题】读甲、乙两工厂万元产值主要成本百分比比较表，回答： 原料成本 劳动力成本 技术成本 运输成本 其他成本 甲工厂 41 22 6 10 21 乙工厂 3 23 43 6 25 小题1:下列关于甲、乙两工厂劳动力成本的叙述，正确的是 A．甲、乙两工厂所属工业类型对劳动力数量的要求相当 B．经济发展水平的提高使甲、乙两工厂劳动力成本比例上升 C．甲工厂属于廉价劳动力指向型工业，工人的工资水平低 D．乙工...
查看完整题目与答案
【单选题】主要功能是抗病毒感染的细胞因子是( )
A.
干扰素
B.
红细胞生成素
C.
肿瘤坏死因子
D.
白细胞介素
E.
趋化因子
查看完整题目与答案
【单选题】《秋词·其一》的作者是( )朝诗人( )。
A.
唐 李白
B.
唐  刘禹锡
C.
宋  苏轼
D.
宋 辛弃疾
查看完整题目与答案
【判断题】Under CFR，when the goods have been delivered on board the vessel，the seller is considered to have fulfilled his duties．He has no obligation to procure insurance or to inform. the buyer of taking measu...
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which vessel is "underway" under the Rules of the Road? ______
A.
A vessel at anchor with the engine running
B.
A vessel with a line led to a tree onshore
C.
A vessel drifting with the engine off
D.
A vessel agroung
查看完整题目与答案
【单选题】主要功能是抗病毒感染的细胞因子是
A.
干扰素
B.
重组人促红素
C.
肿瘤坏死因子
D.
白细胞介素
E.
趋化性细胞因子
查看完整题目与答案
【单选题】A fishing vessel is approaching a vessel not under command. Which statement is TRUE? （）
A.
The fishing vessel must keep clear of the vessel not under command
B.
If the vessel not under command is a power-driven vessel，she must keep clear of the fishing vessel
C.
They must exchange whistle signals
D.
Both vessels are required to take action to stay clear of each other
查看完整题目与答案
【单选题】在下列运输方式中,运输成本相对较高的是()
A.
陆路运输
B.
水路运输
C.
航空运输
D.
管道运输
查看完整题目与答案
相关题目：
【单选题】A fishing vessel is approaching a vessel not under command. Which statement is true? ______
A.
The fishing vessel must keep clear of the vessel not under command
B.
If the vessel not under command is a power-driven vessel， she must keep clear of the fishing vessel
C.
They must exchange whistle signals
D.
Both vessels are required to take action to stay clear of each other
查看完整题目与答案
【单选题】A vessel not under command sounds the same fog signal as a vessel（）.
A.
towing
B.
constrained by her draft
C.
under sail
D.
All of the above
查看完整题目与答案
【简答题】读甲、乙两工厂万元产值主要成本百分比比较表，回答： 原料成本 劳动力成本 技术成本 运输成本 其他成本 甲工厂 41 22 6 10 21 乙工厂 3 23 43 6 25 小题1:下列关于甲、乙两工厂劳动力成本的叙述，正确的是 A．甲、乙两工厂所属工业类型对劳动力数量的要求相当 B．经济发展水平的提高使甲、乙两工厂劳动力成本比例上升 C．甲工厂属于廉价劳动力指向型工业，工人的工资水平低 D．乙工...
查看完整题目与答案
【单选题】主要功能是抗病毒感染的细胞因子是( )
A.
干扰素
B.
红细胞生成素
C.
肿瘤坏死因子
D.
白细胞介素
E.
趋化因子
查看完整题目与答案
【单选题】《秋词·其一》的作者是( )朝诗人( )。
A.
唐 李白
B.
唐  刘禹锡
C.
宋  苏轼
D.
宋 辛弃疾
查看完整题目与答案
【判断题】Under CFR，when the goods have been delivered on board the vessel，the seller is considered to have fulfilled his duties．He has no obligation to procure insurance or to inform. the buyer of taking measu...
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which vessel is "underway" under the Rules of the Road? ______
A.
A vessel at anchor with the engine running
B.
A vessel with a line led to a tree onshore
C.
A vessel drifting with the engine off
D.
A vessel agroung
查看完整题目与答案
【单选题】主要功能是抗病毒感染的细胞因子是
A.
干扰素
B.
重组人促红素
C.
肿瘤坏死因子
D.
白细胞介素
E.
趋化性细胞因子
查看完整题目与答案
【单选题】A fishing vessel is approaching a vessel not under command. Which statement is TRUE? （）
A.
The fishing vessel must keep clear of the vessel not under command
B.
If the vessel not under command is a power-driven vessel，she must keep clear of the fishing vessel
C.
They must exchange whistle signals
D.
Both vessels are required to take action to stay clear of each other
查看完整题目与答案
【单选题】在下列运输方式中,运输成本相对较高的是()
A.
陆路运输
B.
水路运输
C.
航空运输
D.
管道运输
查看完整题目与答案