5岁小儿标准身高是
A.100cmB.105cmC.110cmD.115cmE.120cm
参考答案:B
根据给定的圆弧,绘制一条弧长等于200的同心圆弧,求点O相对点P的坐标():
A.X=-61.9497Y=62.4381
B.X=-61.9498Y=62.4382
C.X=-61.9499Y=62.4383
D.X=-61.9491Y=62.4384
墙面与顶面交接的线叫().
A.天地线
B.天线
C.细线
D.分色线