人们在阅读时视线通常会落在几何中心向上一点的位置，就是（）。
A.最佳视域
B.视觉流程
C.视觉焦点
D.视觉中心
参考答案：D
下列细胞中哪种不属于炎症细胞
A．淋巴细胞
B．粒细胞
C．肥大细胞
D．上皮细胞
E．肥大细胞及上皮细胞
—Do you know Betty?
—Yes, I know her ______. She likes reading ______.[ ]
A, very well , very much
B. very much, very much
C. very well, very well
D. very much, very well
