全世界盲人患病率为()
A.0.8%
B.0.9%
C.0.7%
D.0.5%
E.0.6%
参考答案:C
The children are playing a game _____ hide and seek. [ ]
A. called
B. calling
C. to call
D. calls
一岁半小儿,行走不稳,前囟未闭,方颅,"O"形腿,血钙磷正常,可能的诊断
A.佝偻病早期
B.佝偻病活动期
C.佝偻病恢复期
D.佝偻病后遗症期
E.肾性佝偻病