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硬脊膜外隙
A.位于硬脊膜与椎管之间
B.腔隙内有脑脊液
C.位于硬脊膜与蛛网膜之间
D.位于软脊膜与蛛网膜之间
E.位于硬脑膜与颅骨骨膜之间
参考答案:A
末梢血象中红细胞数目降低比血红蛋白量降低更明显的是
A.营养性巨幼红细胞性贫血B.营养性缺铁性贫血C.溶血性贫血D.再生障碍性贫血E.生理性贫血
—Marry, I think you have left your umbrella in the restaurant.
--Oh, so I have. I go and fetch it at once.
A.am going to
B.am to
C.will
D.am about to