流金凌木相当于西医学之（）。
A.睑裂斑
B.假性胬肉
C.真性胬肉
D.角膜白斑
E.角膜血管翳
参考答案：B
0.1和0.8之间有8个小数．______．
A cough is usually nothing to worry about unless it lasts for ten days ____. [ ]
A. or more
B. instead
C. at most
D. only
