He came into the classroom _____ a book in his hand. [ ]
A. and
B. with
C. hold
答案:B
前列腺肥大,为()
A.外吹乳痈
B.内吹乳痈
C.不乳儿乳痈
D. * * 破裂乳痈
E.席风呵乳
某登山队的出发营地海拔为3500米,出发时的气温为10°C.当他们登上海拔5500米的山顶时,测量到的气温值应该是( )
A.42°C
B.-22°C
C.22°C
D.-2°C