血管源性脑水肿的主要镜下改变是（）
A.细胞和血管周间隙增大
B.细胞体积增大
C.胶质瘢痕形成
D.胶质结节形成
E.髓鞘崩解消失
参考答案：A
At one time most women made their own clothes, _____ the cloth in small stores. [ ]
A. to buy
B. bought
C. buying
D. being bought
Murphy征阳性则提示
A．细菌性肝脓肿B．急性胆管炎C．肝总管结石D．左旰管结石E．急性胆囊炎
