提呈抗原的细胞是
A．前伸不平衡B．基托边缘伸展不够C．系带区基托缓冲不够D．侧方不平衡E．义齿磨光面外形不良
参考答案：B
---How did you find the trip to the West Lake? ---________.
A．The guide took us there.
B．First by train and then by bus.
C．Very fantastic indeed.
D．It was not far from our hotel.
近视与眼球何种状态有关（）。
A.眼轴过长
B.眼轴过短
C.眼球突出
D.眼球凹陷
E.眼球萎缩
