AutoCAD绘图时,在命令行输入ARC,表示绘制()。
A.正多边形
B.圆弧
C.圆
D.椭圆
参考答案:B
开放性骨折GustiloⅠ型的特点()。
A.自内而外的开放骨折
B.肌肉轻微挫伤
C.没有挤压伤
D.皮肤创面清洁,创口小于1cm
E.单纯骨折,骨折不粉碎
An ______ test is a rough measure of a child's capacity for learning, particularly for learning the kinds of things required at school.
A.proficiency
B.intelligence
C.psychology
D.speed