拍拍直通车帐户充值最低不小于（）元？
A.100
B.200
C.300
D.500
参考答案：A
The surface of Mars is ______ like the surface of Earth than ______ planet in our solar system. [ ]
A. much; the other
B. much; any other
C. more; the other
D. more; any other
视力正常，视 * * 边界不清，充血，突出度4D（）。
A.继发性视神经萎缩
B.原发性视神经萎缩
C.视 * * 水肿
D.球后视神经炎
E.视 * * 炎
