脑脊液来自鼻顶者,瘘孔在()。
A.筛骨筛板
B.额窦
C.蝶窦
D.鼓室或乳突
E.上颌窦
参考答案:A
The house rent is expensive. I've got about half the space I had at home and I am paying ______ here.[ ]
A. as three times much
B. as much three times
C. much as three times
D. three times as much
在生产成本费用估算中,总成本费用包含而可变成本中不包含的生产要素有()。
A.计时工资
B.计件工资
C.装修费
D.折旧费
E.摊销费