动景运动发生的有效时距约为:
A. 60毫秒
B. 100毫秒
C. 150毫秒
D. 200毫秒
缪勒—莱耶错觉也叫:
A. 铁轨错觉
B. 垂直水平错觉
C. 箭形错觉
D. 月亮错觉
冯特错觉属于:
A. 形状和方向错觉
B. 大小错觉
C. 运动错觉
D. 明暗错觉
Directions: Choose from the word bank the best one to fill in the blank in its proper form in the following statements.ambassador appointment assent summarize dignityextremely conclude term dismiss consult
微信支付 
支付宝支付