图层的旋转是以什么为中心来改变图层的旋转角度?
A. 中心
B. 锚点
C. 边
D. 角
位置属性是表示该图层画面在合成画面中的位置,其基准点是合成画面的哪个位置?
A. 左上角
B. 右上角
C. 左下角
D. 右下角
There is growing _______________about violence on television.
A. concerning
B. concern
C. concerned
D. concerns
Reducing levels of carbon dioxide in the atmosphere is of ______________importance.
A. criticize
B. critic
C. critical
D. critically