休克时常用一系列特殊监测,下列哪项有助于估计休克及复苏的变化趋势()
A.心排出量和心脏指数
B.肺毛细血管楔压
C.动脉血气分析
D.动脉血乳酸盐测定
E.中心静脉压
参考答案:D
As we know, he is _____ as his younger brother is.[ ]
A. as a intelligent student
B. as intelligent a student
C. as a student intelligent
D. a student as intelligent
在35号钢上攻M16×2螺纹时,其底孔直径为()。
A、13.5mm;
B、14mm;
C、14.5mm;
D、15mm。