【简答题】迄今我国发现的最古老的一幅建筑施工图,是战国时期的一块( ) 铜版,它于1977年在河北平山的中山王墓中被发掘出土,其上用不同粗细的金属线画出了标有尺寸和文字说明的陵墓平面图,还使用了1:500的比例及正投影法和阶梯剖。
【判断题】( )在C语言中,函数的调用不可以嵌套,函数的定义可以嵌套。
【多选题】缓解视疲劳保健食品中常见的功效成分有( )
【单选题】听力原文:W: Are you busy this evening? I'm going over to the International Center later on if you'd like to come along. M: I remember receiving their calendar of activities in my campus mailbox a week ago...
A.
A diagram of their facilities.
B.
A timetable of events.
D.
Samples of coffee from other countries.
【单选题】海洋钻井平台水面下的支撑立柱经常受到洋流的冲击.为增强平台的稳定性,我国“南海石油981”钻井平台采用了世界先进的动力定位系统:在立柱上安装可以按需要改变朝向的螺旋桨,螺旋桨高速排水可以保持立柱的平衡.螺旋桨排水的方向应该是( )
【简答题】依据大致沿北纬32°线所绘制的中国地形剖面图,回答下列问题. (1)图中属于我国地势第一级阶梯的是______ A.甲 B.乙C.丙 (2)图中A是______高原,B是______盆地,C是______平原. (3)图中自西向东流经了我国三级阶梯的著名大河是______. (4)有关南京气候特征的正确叙述是______ A.气候干燥,冬冷夏热,风向季节变化明显 B.四季常冬,降水较少 C.年降水...
【单选题】听力原文:W: Are you free this evening? I'm going over to the International Center later on if you'd like to come with me. M: I remember receiving their calendar of activities in my campus mailbox a week a...
A.
A diagram of their facilities.
B.
A timetable of events.
D.
Samples of coftee from.other countries.