下列症状中哪一项不是上颌骨或下颌骨骨折后都会出现的()
A.骨折段移位
B.影响呼吸
C.咬合错乱
D.视觉障碍
E.唇麻木
参考答案:D
小儿上部量等于下部量的年龄是()
A.新生儿
B.1岁
C.2岁
D.6岁
E.12岁
By the time I got up, my mother ______ the breakfast well. [ ]
A. has cooked
B. cooked
C. have cooked
D. had cooked