影响硬膜外麻醉平面调节最不重要的是:()。
A.体位
B.穿刺间隙
C.导管方向
D.麻药容积
E.注药方式
参考答案:A
-What are people in China supposed to do when they meet for the _____ time?
-They're supposed to _____. [ ]
A. first; kiss
B. last; bow
C. first; shake hands
D. last; hug
计算机必须在汉字操作系统支持下才能处理汉字。()