电风扇高速转动时，人们看到的不再是一扇一扇的叶片，而是一个整

【名词&注释】

阿糖胞苷(cytarabine)、核苷酸(nucleotide)、代谢物(metabolite)、丝氨酸(serine)、别嘌呤醇(allopurinol)、电风扇(electric fan)、6-巯基嘌呤(6-mercaptopurine)、视觉适应(visual adaptation)

[单选题]电风扇^{(electric fan)}高速转动时，人们看到的不再是一扇一扇的叶片，而是一个整体的圆盘在旋转，这种现象反映的是

A. 视觉掩蔽
B. 视觉适应^{(visual adaptation)}
C. 运动后效
D. 闪光融合

查看答案&解析 点击获取本科目所有试题

举一反三：

[单选题]The reason why women and blacks play down their visibility is that they ______.

A. know that someone in authority will reach down and give them a promotion
B. don't want people to think that their promotions were due to sex or color
C. don't want to give people the impression that they work under false beliefs
D. believe they can get promoted by reason of their sex or color

[单选题]

A. besideB． at
B. by
C. on

[多选题]

A. 6-巯基嘌呤^{(6-mercaptopurine)}B．氮杂丝氨酸
B. 别嘌呤醇
C. 甲氨蝶呤
D. 阿糖胞苷
E. 113.干扰dUMP→dTMP的核苷酸抗代谢物是
F. 114.干扰IMP→AMP的核苷酸抗代谢物是

本文链接：https://www.zhukaozhuanjia.com/download/0734l6.html