StrReverse(”abcD”)的值为()。
s=left$(“abcd”,2)+Mid$(“efgh”,2,2),则s的值为()。
In the rectangle ABCD below, M is the midpoint of
. If the length of rectangle ABDC is 3 times the width, and the area of triangle AMB is 18, what is the length of
?
In the figure above, what is the area of parallelogram ABCD?
In rectangle ABCD below, arcs BP and CP are quarter circles with centers at points A and D, respectively. If the area of each quarter circle is π, what is the area of the shaded region?
In the figure above, if the area of square ABCD is 64, what is the area of equilateral triangle BEC?
从陈述来看,一个相对完整的化学教学目标一般主要包括四个基本要素,即ABCD法,不属于这四个基本要素的是()。
如图所示,使用魔术棒工具对图像进行选择,在下图显示的选区增加过程中,应该使用图中ABCD哪个按钮辅助选择?()
甾体皂甙元结构中含A,B,C,D,E.F六个环,ABCD环为()。它的化学命名是(),E,F环以缩酮形式相连接,共同组成()结构。
Excel表格顶部的ABCD等英文字母表示()。