10D的近视眼患者,其远点距眼()
A.20cm
B.50cm
C.10cm
D.5cm
E.1m
参考答案:C
England is justly proud of _______ great poets, especially _______ in the 18th century. [ ]
A. her...they
B. his...them
C. its...that
D. its...those
放大镜放大倍数越大工作距离越小,操作不便视域范围越()。