对隆鼻术描述正确的是
A.采用橡胶假体植入
B.切口选择在一侧鼻了孔缘
C.术后可出现肿胀,必要时,用消肿药
D.可出现排异反应
E.避免暴晒
参考答案:A,B,C,D,E
一元二次方程2(x2-1)-3x=0的二次项系数、一次项系数、常数项依次是( )
A.1,-1,-3
B.1,-3,-1
C.2,-3,-1
D.2,-3,-2
My grandma is ill and she ______ in bed for a month. [ ]
A. stays
B. stay
C. has stayed
D. stayed