I want to go outside to play _________ the snow.[ ]
A. in
B. on
C. at
答案：A
He had lomt his ternper and his healch in the war and mever found of rhem ngnin .
A．neither
B．eitner
C．each
D．all
病程呈逐渐进展，目前尚无有效治疗方法并且可导致多数患者预后不好的疾病是（）
A.进行性风疹性脑炎
B.亚急性硬化性全脑炎
C.进行性多灶性白质脑病
D.病毒性脑膜炎
E.单纯疱疹病毒性脑炎
