屈光型内斜的斜视角约为()。
A、20△-30△
B、10△-20△
C、5△-10△
D、10△-15△
参考答案:A
I've decided to go to London next weekend. I was wondering _______ you could go with me. [ ]
A. if
B. when
C. that
D. where
胬肉攀睛相当于西医学的:
A.睑球粘连症
B.角膜血管翳
C.睑裂斑
D.翼状胬肉
E.角膜白斑