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【简答题】
O n June 17, 1744, the officials from Maryland and Virginia held a talk with the Indians of the Six Nations. T he Indians were invited to send boys to William and Mary College. I n a letter the next day the refused the offer as follows : W e know that you have a high opinion of the kind of learning taught in your colleges, and that the costs of living of our young men, while with you, would be very expensive to you. W e are convinced that you mean to do us good by your proposal; and we thank you heartily. B ut you must know that different nations have different ways of looking at things, and you will therefore not be offended if your ideas of this kind of education happen not t be the same as yours. W e have had some experience of it. S everal of our young people were formerly brought up at the colleges of the northern provinces: they were taught all your sciences ; but, when they came back to us, they were bad runners, ignorant of every means of living in the woods ... they were totally good for nothing. W e are, however, not the less obliged by your kind offer, though we refuse to accept it; and, to show our grateful sense of it, if the gentlemen of Virginia will send up a dozen of their sons, we will take care of their education, teach them in all we know, and make men of them.
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【判断题】像片纠正的实质是将中心投影的像片变成具有正射投影的像片。
A.
正确
B.
错误
【多选题】建设工程项目质量的影响因素中的环境因素主要包括( )。
A.
建设工程项目所在地点的水文、地质和气象等自然环境
B.
施工现场的通风、照明、安全卫生防护设施等劳动作业环境
C.
多单位、多专业交叉协同施工的管理关系、组织协调方式、质量控制系统等构成的管理环境
D.
政府的工程质量监督及行业管理成熟程度等社会环境
E.
建设法律法规的健全程度及其执法力度
【单选题】地形图的投影和航摄像片的投影,其本质区别是前者投影光线是平行的,而后者投影光线则是()并由一个投影中心发出。
A.
平行的;
B.
相交的;
C.
垂直的;
D.
中心的。
【判断题】表格式报表中,每条记录以行的方式,各数据项自左向右依次显示排列。
A.
正确
B.
错误
【单选题】地形图的投影是地面的垂直投影,而航摄像片的投影是地面的()投影。
A.
中心;
B.
平行;
C.
垂直;
D.
相交。
【单选题】航空像片的投影性质是( )。
A.
多中心投影
B.
中心投影
C.
全景投影
【单选题】像片是()投影
A.
平行
B.
垂直
C.
中心
【单选题】已知带阻感负载的单相桥式全控整流电路,其交流电源有效值为 220V ,触发角为 30 度,那当前输出电压的平均值为 ?(四舍五入保留小数点三位)
A.
342.936
B.
57.156
C.
171.468
D.
85.734
【单选题】当调节器加入积分调节规律后,能够达到()的目的。
A.
减小系统震荡
B.
消除系统余差
C.
使系统更加稳定
D.
使过渡时间增加
【单选题】航摄像片的投影方式是_()
A.
中心投影
B.
水平投影
C.
仿射变换
D.
正射投影
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