据统计,1850年德国的专利授予数目为243项,1870年为4132项,1900年达

据统计,1850年德国的专利授予数目为243项,1870年为4132项,1900年达到8784项。这反映出德国

A.海外市场的拓展主导着科技发明     B.在整体科技实力上遥遥领先于他国

C.政府在科技发展中扮演重要角色     D.从欧洲其他国家大量引进技术发明

答案

C

相关题目

下列物质中属于酸的是() A.H2CO3  B.NaHCO3 C.P2O5  D.Ba(OH)2
下列物质中属于酸的是() A.H2CO3  B.NaHCO3 C.P2O5  D.Ba(OH)2
如果一个二元一次不等式组表示的平面区域是图中的阴影部
如果一个二元一次不等式组表示的平面区域是图中的阴影部分(包括边界),则这个不等式组是                    .        
There’s growing unrest among the poor and unemployed. The media points out tha
There’s growing unrest among the poor and unemployed. The media points out that it’s the government that should have a lot to ________. A. answer for   B. stand for  C. go for  D. care for  
Several years ago, well-known writer and editor Norman Cousins became very ill.
Several years ago, well-known writer and editor Norman Cousins became very ill. His body ached and he felt constantly tired. It was difficult for him to even __21__ around. His doctor told him that he
That tree, __________ branches are almost bare, is very old. A. whose     
That tree, __________ branches are almost bare, is very old. A. whose        B. of which        C. in which      D. on which
下图是对四个实验绘制的图像,其中实验结果与图像对应正
下图是对四个实验绘制的图像,其中实验结果与图像对应正确的是A.某温度下,向一定量接近饱和的硝酸钾溶液中不断加入硝酸钾晶体B.将稀H2SO4滴入
如图11按照图甲的电路图,在图乙中连接实物电路,要求选择
如图11按照图甲的电路图,在图乙中连接实物电路,要求选择正确的量程,导线不得相交。                       图甲               
明初发行纸币后,政府下令禁止金银甚至铜钱的流通,但纸
明初发行纸币后,政府下令禁止金银甚至铜钱的流通,但纸币发行后贬值严重。永乐后,民间流通货币兼有宝钞、金银和稻谷布帛,朝廷屡禁不止。至

最新题目