把一串点知觉为一条虚线的现象叫做（）
A.整体知觉
B.良好图形
C.空间频率整合
D.主观轮廓
参考答案：A
---Jason, you need to refresh yourself with a cup of coffee.
--- Yeah, I went to bed very late last night, _______, early this morning.
A, rather than B. what’s more C. or rather D. what’s worse
下列哪项不属于无性生殖 [ ]
A．用马铃薯快茎来繁殖
B．枣树周围地面上冒出许多枣树
C．用茎尖来繁殖植物体
D．将种子种下去，长出植物体
