脑外伤用冷的机制是
A.减少脑细胞需氧量B.止痛C.减轻出血D.防止感染E.阻止炎症扩散
参考答案:A
Song Zuying's voice is very sweet. I like _____ songs. [ ]
A. she
B. her
C. hers
D. herself
狭义的国际收支