(55—57题共用备选答案)
肱骨干中、下1/3处骨折常引起
A.肱动脉损伤B.桡动脉损伤C.尺神经损伤D.股骨转子骨折E.旋股内、外动脉损伤
参考答案:C
大面积烧伤病人早期需大量输液,根据面积计算出的液量(不包括生理需要量)第1天第1个8h输入该量的
A.1/2B.1/3C.1/4D.2/3E.3/4
It was not until the beginning of the twentieth century_______ to explore space. [ ]
A. did man begin
B. when man began
C. that man began
D. then man began