问题
单项选择题
视力逐渐下降而眼底无明显异常的是( )
A.特发性黄斑裂孔
B.中央动脉阻塞
C.中浆
D.球后视神经炎
E.老年黄斑变性
答案
参考答案:D
视力逐渐下降而眼底无明显异常的是( )
A.特发性黄斑裂孔
B.中央动脉阻塞
C.中浆
D.球后视神经炎
E.老年黄斑变性
参考答案:D
A. three B. four C, five 小题2:Why is the post office closed on November 25? A. Because it's a holiday. B. Because it's a weekend. C. Because it' s Sunday. 小题3:If Mr. Black wants to send a letter at 8: 30 a.m., he can go to the post office on . A. Sunday, November 28 B. Saturday, November 27 C. Friday, November 26 |