脑出血脑疝形成时,哪些措施正确()。
A.静脉注射甘露醇
B.吸氧
C.腰穿放脑脊液减低颅内压
D.吸痰
E.不能翻身
参考答案:A, B, D
I can't thank you _______ much because without your help I _______ have won the first prize.
A.too; wouldn't
B.very; shouldn't
C.that; might not
D.so; couldn't
预混合型燃烧器的层流火焰通常可大致分为()个区域,其中()区是原子吸收的主要观测区。