蝶眶型脑膜脑膨出的颅骨缺损部位位于()。
A.鼻骨、额骨之间
B.鼻骨、鼻软骨之间
C.额、筛、泪、上颌骨之间
D.视神经孔或眶上裂
E.眶上裂或眶下裂
参考答案:D
Stage fright is a common example of _____ educators call a "lack of confidence" among students. [ ]
A. that
B. what
C. which
D. whose
一次性投料操作(),易造成()
A、不易染菌,大量繁殖
B、易染菌,大量繁殖
C、不易染菌,大量死亡
D、易染菌,大量死亡