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【单选题】
ECDIS已经成为IBS的组成部分,由于其 的原因,它被视为船舶综合导航系统的信息基础。A.
使用了现代计算机
B.
航行监控报警的强大功能
C.
配置了可靠精确的ENC数据
D.
方便快捷的航行预测功能
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举一反三
【单选题】下列关于地-气系统的辐射平衡说法正确的是( )。
A.
白天辐射平衡为负,夜晚为正
B.
纬度愈高,辐射平衡保持正值的月份愈多
C.
高纬地区辐射平衡为正,能量盈余
D.
全球年平均辐射平衡为零,但局部地区并非如此
【简答题】计量经济学不是在定性层面上探讨经济变量间的关系,而是致力于研究变量之间的 关系。
【简答题】Butit’s going to be_______ difficult to check that a piece of timber that you buyin a market here.A. organizationally B. significantly C. extraordinarily D. additionally
【简答题】Dear World, My son starts school today. It’s going to be strange and new to him for some time. And I wish you would treat him gently. You see, up to now, he has been king of his own room. He has been ...
【简答题】阅读理解。 Dear World, My son starts school today. It’s going to be strange and new to him for some time. And I wish you would treat him gently. You see, up to now, he has been the king of his own room. He...
【简答题】It’s going to be a difficult job but I’m sure she’ll rise to the __________ .
【简答题】According to the weather __________, it’s going to be fair but the temperature will drop a lot.
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